Adjuvant for reducing chromium VI ions into chromium.

Adjuvant for reducing chromium (vi) ions into chromium

Adjuvant for reducing chromium (vi) ions into chromium

Adjuvant for reducing chromium (vi) ions into chromium

REDUCED-CARBON FOOTPRINT CONCRETE COMPOSITIONS

Reduced-carbon footprint concrete compositions, and methods for making and using the same, are provided. Aspects of the reduced-carbon footprint concrete compositions include CO2-sequestering carbonate compounds, which may be present in the hydraulic cement and/or aggregate components of the concrete. The reduced-carbon footprint concrete compositions find use in a variety of applications, including use in a variety of building materials and building applications.

ПРИСАДКА ДЛЯ ВОССТАНОВЛЕНИЯ ИОНОВ ХРОМА (VI) ДО ХРОМА (III), СПОСОБ ЕЕ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ

Изобретение относится к присадке для восстановления ионов хрома (VI) до хрома (III), которая содержит водный раствор комплекса олова (II) и карбоновой кислоты или одной из ее солей, а также способа получения такой присадки и способа получения материала со сниженным содержанием хрома (VI).

BINDER MADE OF BLAST-FURNACE SLAG

ADJUVANT FOR REDUCING CHROMIUM IONS (VI) CHROMIUM (III)

ADJUVANT FOR REDUCING CHROMIUM (VI) IONS INTO CHROMIUM (III)

The invention concerns an adjuvant for reducing chromium (VI) ions into chromium (III) comprising a tin (II) complex and a carboxylic acid or one of its salts, as well as a method for preparing same. The invention also concerns a method for preparing a material with reduced chromium (VI) content. The invention further concerns the use of said adjuvant for reducing chromium (VI) ions into chromium (III). © KIPO & WIPO 2007 ...

ADJUVANT FOR REDUCING CHROMIUM (VI) IONS INTO CHROMIUM (III)

Adjuvant for reducing chromium (VI) ions into chromium (III)

The invention concerns an adjuvant for reducing chromium (VI) ions into chromium (III) comprising a tin (II) complex and a carboxylic acid or one of its salts, as well as a method for preparing same. The invention also concerns a method for preparing a material with reduced chromium (VI) content. The invention further concerns the use of said adjuvant for reducing chromium (VI) ions into chromium (III).

BINDER BASED ON BLAST-FURNACE SLAG

Process in order to improve and to manufacture compositions of cement

ADJUVANT FOR REDUCING CHROMIUM (VI) IONS INTO CHROMIUM (III)

The invention concerns an adjuvant for reducing chromium (VI) ions into chromium (III) comprising a tin (II) complex and a carboxylic acid or one of its salts, as well as a method for preparing same. The invention also concerns a method for preparing a material with reduced chromium (VI) content. The invention further concerns the use of said adjuvant for reducing chromium (VI) ions into chromium (III).

Zusammensetzung für die Reduktion von Cr(VI)-Ionen in Zement oder zementhaltigen Produkten

Verfahren zur Verlaengerung der Erstarrungszeit und zur Steigerung der Festigkeiten von Moerteln und Betonen aus Portland-Zement und anderen hydraulischen Bindemitteln auf Portland-Zement-Basis

Procedure for the production of a ferrousmagnetic oxydischen body

ADDITIVE FOR REDUCING CHROMIUM (VI) IONS INTO CHROMIUM (III) IONS

L'invention concerne un adjuvant pour réduire les ions Cr(VI) en Cr(III) comprenant un complexe d'étain (II) et d'un acide carboxylique ou d'un de ses sels, ainsi que son procédé de préparation. Elle concerne également un procédé de préparation d'un matériau à teneur réduite en chrome (VI). Elle concerne enfin l'utilisation dudit adjuvant pour la réduction d'ions chrome (VI) en ions chrome (III).

ADDITIVE TO REDUCE THE IONS CHROMIUM PLATES (VI) CHROMIUM PLATES SOME (III)

L'invention concerne un adjuvant pour réduire les ions Cr(VI) en Cr(III) comprenant un complexe d'étain (II) et d'un acide carboxylique ou d'un de ses sels, ainsi que son procédé de préparation. Elle concerne également un procédé de préparation d'un matériau à teneur réduite en chrome (VI). Elle concerne enfin l'utilisation dudit adjuvant pour la réduction d'ions chrome (VI) en ions chrome (III).

Additive for reducing chromium (VI) to chromium (III) ions

The invention relates to an additive for reducing Cr(VI) ions to Cr(III) ions, comprising a complex of tin(II) and a carboxylic acid or a salt thereof, and to the process for the preparation thereof. It also relates to a process for preparing a material having a low chromium(VI) content. Finally, it relates to the use of said additive for reducing chromium(VI) ions to chromium(III) ions.

ADJUVANS TO THE REDUCTION OF CHROME (VI) - IONS IN CHROME (III)

ADDITIVE FOR REDUCING CHROMIUM (VI) IONS INTO CHROMIUM (III) IONS

L'invention concerne un adjuvant pour réduire les ions Cr(VI) en Cr(III) comprenant un complexe d'étain (II) et d'un acide carboxylique ou d'un de ses sels, ainsi que son procédé de préparation. Elle concerne également un procédé de préparation d'un matériau à teneur réduite en chrome (VI). Elle concerne enfin l'utilisation dudit adjuvant pour la réduction d'ions chrome (VI) en ions chrome (III).

Process for the adjustment of hasty resistances and the process of catch of cement, the cement mortar and the concrete

Improved corrosion inhibitor formulations with calcium nitrite

IMPROVED CORROSION INHIBITING FORMULATIONS WITH CALCIUM NITRITE

An admixture for cement compositions is provided which contributes both anodic and cathodic corrosion inhibition, and the cement compositions containing such additives. The cement additive is a combination of an anodic corrosion inhibitor such as calcium nitrite, and a cathodic corrosion inhibitor such as calcium stearate or other fatty acid. The mixed inhibitors in accordance with the invention provide as good or better corrosion inhibition than does calcium nitrite when used alone.

ДОБАВКА ДЛЯ ВОССТАНОВЛЕНИЯ ИОНОВ ХРОМА ( VI ) В ХРОМ ( III ), СПОСОБ ЕЕ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЕ ДОБАВКИ

Изобретение относится к добавкам, позволяющим обрабатывать цемент для восстановления хрома (VI). Добавка содержит раствор комплекса олова (II) и карбоновой кислоты или одной из ее солей. Молярное соотношение карбоновой кислоты к соединению олова (II) составляет от 0,5:1 до 5:1. Способ получения вышеуказанной добавки включает введение соли олова (II) в контакт с карбоновой кислотой или одной из ее солей в присутствии соответствующего количества воды. Способ получения материала с низким содержанием хрома (VI) включает введение материала в контакт с соответствующем количеством вышеуказанной добавки. Указанную добавку применяют для получения материала с низким содержанием хрома (VI). Технический результат - создание раствора, стабильного при хранении, при котором восстановительная способность ионов хрома (VI) остается постоянной в течение длительного времени. 4 н. и 9 з.п. ф-лы, 1 ил., 4 табл.

ДОБАВКА ДЛЯ ВОССТАНОВЛЕНИЯ ИОНОВ ХРОМА (IV) В ХРОМ (III), СПОСОБ ЕЕ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЕ ДОБАВКИ

... 1. Добавка для восстановления ионов Cr(VI) в Cr(III), содержащая водный раствор комплекса олова (II) и карбоновой кислоты или одной из ее солей. ! 2. Добавка по п.1, которая представляет собой прозрачный водный раствор. ! 3. Добавка по п.1, в которой карбоновой кислотой является глюконовая кислота. ! 4. Добавка по одному из пп.1-3, которая дополнительно содержит агент, корректирующий рН. ! 5. Добавка по п.4, в которой агент, корректирующий рН, выбирают из алканоламинов. ! 6. Добавка по п.4, в которой агентом корректировки рН является гидроксид натрия. ! 7. Добавка по одному из пп.1-3, которая дополнительно содержит противоокислительное средство, выбранное из группы, состоящей из гидрохинона и его производных, пропил галлата, 2(3)т-бутил-4-гидроксианизола, 2,6-ди-трет-бутил-п-крезола, этилванилина, розмаринового масла, лецитина или витамина Е. ! 8. Способ получения добавки, заявленной в пп.1-7, отличающийся тем, что соль олова (II) вводят в контакт с карбоновой кислотой или с одной из ее ...

Adjuvant for reducing chromium (VI) ions into chromium (III)

Reduced-carbon footprint concrete compositions

BINDER BASED ON BLAST FURNACE SLAG

ADJUVANT POUR REDUIRE LES IONS CHROME (VI) EN CHROME (III)

L'invention concerne un adjuvant pour réduire les ions Cr(VI) en Cr(III) comprenant un complexe d'étain (II) et d'un acide carboxylique ou d'un de ses sels, ainsi que son procédé de préparation. Elle concerne également un procédé de préparation d'un matériau à teneur réduite en chrome (VI). Elle concerne enfin l'utilisation dudit adjuvant pour la réduction d'ions chrome (VI) en ions chrome (III).

IMPROVED CORROSION INHIBITING FORMULATIONS WITH CALCIUM NITRITE

An admixture for cement compositions is provided which contributes both anod ic and cathodic corrosion inhibition, and the cement compositions containing su ch additives. The cement additive is a combination of an anodic corrosion inhibitor such as calcium nitrite, and a cathodic corrosion inhibitor such a s calcium stearate or other fatty acid. The mixed inhibitors in accordance wit h the invention provide as good or better corrosion inhibition than does calci um nitrite when used alone.

REDUCED-CARBON FOOTPRINT CONCRETE COMPOSITIONS

Reduced-carbon footprint concrete compositions, and methods for making and using the same, are provided. Aspects of the reduced-carbon footprint concrete compositions include CO2-sequestering carbonate compounds, which may be present in the hydraulic cement and/or aggregate components of the concrete. The reduced-carbon footprint concrete compositions find use in a variety of applications, including use in a variety of building materials and building applications.

BINDER BASED ON BLAST FURNACE SLAG

La présente invention décrit un liant pour matériaux de construction comprenant au moins : - un laitier de haut fourneau granulé broyé et - au moins un sel métallique mono-, di- ou trivalent choisi parmi les sels de bismuth, de cuivre, d'argent ou d'étain, le sel étant susceptible de former lors du mélange avec ledit laitier un sulfure métallique dont le produit de solubilité Ksp mesuré à 25°C est inférieur à 10-10.

VERBESSERTE KORROSIONSINHIBIERENDE ZUSAMMENSETZUNGEN MIT KALZIUMNITRID

Reduced-carbon footprint concrete compositions

Reduced-carbon footprint concrete compositions

Formulações inibidoras de corrosão aperfeiçoadas com nitrito de cálcio

CEMENT ADMIXTURE AND CEMENT COMPOSITION

PURPOSE: To improve the effect to inhibit salt damage or carbonation by incorporating one or more hydroxides of bivalent metals such as Mg and Zn and specified nitrate. CONSTITUTION: At least one kind of hydroxide (A) is prepared by selecting among Mg(OH)2, Zn(OH)2, Cu(OH)2 and Fe(OH)2, having 0.1-100μm particle diameter. Then, basic nitrate (B) of bivalent metal is prepared by selecting among Mg(NO3)2.2Mg(OH)2, Zn(NO3)2.Zn(OH)2.2H2O, etc., having 0.1-100μm particle diameter. Then, these components are added and compounded by 0.5-30 pts.wt. of (A) and 0.1-30 pts.wt. of (B) of 100 pts.wt. of cement such as Portland cement to prepare the cement admixture (C). The cement compsn. is prepared by incorporating the component (C) as necessary into cement. COPYRIGHT: (C)1993,JPO&Japio ...

Iron(II) sulfate is added to cement during discharge from cement works storage silos

In a cement preparation process, iron(II) sulfate particles are added, as reducing agent for eczema-causing water-soluble chromate, to the cement being discharged from large intermediate storage silos in the cement works. Preparation of a cement, which contains eczema-causing water-soluble chromate and which is mixed with 0.01-1 wt.% dry iron(II) sulfate particles for chemical reduction of this chromate(VI), in which the ground cement is stored in large silos in the cement works and withdrawn for transport in silo trucks or for packaging in sacks, the novelty is that the dry iron(II) sulfate particles are added to the cement on withdrawal from the large silos. Preferred Features: When sacks are being filled, an automatically weighed quantity of iron(II) sulfate is introduced continuously into the cement flowing into the sacks or in portions into the sacks.

Remedial wellbore sealing with unsaturated monomer system

A defective cemented annulus in a wellbore is repaired by injecting a water-soluble monomeric composition having polymerizable unsaturated groups. This allows repair of leaking cement jobs where the leakage occurs through very small imperfections. In accordance with the invention, a section of the casing above the area where formation fluid pressure may be entering is sealed off with packer devices, perforated or mill cut and a monomer solution is injected into the cemented annulus.

Corrosion inhibiting formulations with calcium nitrite

Improved corrosion inhibiting formulations with calcium nitrite

Improved corrosion inhibiting formulations with calcium nitrite

Medium for reducing chromium (vi) ions in a water-curing mass

Reduced-carbon footprint concrete compositions

ADJUVANS ZUR REDUKTION VON CHROM (VI)-IONEN IN CHROM (III)

Mittel zur Reduzierung von Chrom (VI)-Ionen in einer hydraulisch abbindenden Masse

ADJUVANT FOR REDUCING CHROMIUM (VI) IONS TO CHROMIUM (?)

BINDER MADE OF BLAST-FURNACE SLAG

The present invention describes a binder for construction materials, which includes at least: a granulated, crushed blast-furnace slag; and at least one monovalent, divalent or trivalent metal salt selected from among the salts of bismuth, copper, silver or tin, the salt being capable, when mixed with said slag, of forming a metal sulphide in which the solubility product KSP measured at 25 °C is less than 10-10.

BINDER FOR PRODUCTION, PROCESS FOR THE PREPARATION OF THE BINDER, CONCRETE COMPOUND OR UTERUS SAKE AND PROCESS OF MAKING THE COMPOUND

La presente describe un ligante para materiales de construcción que comprende al menos: una escoria de alto horno granulada triturada, y al menos una sal metálica mono-, di- o trivalente seleccionado entre las sales de bismuto, de cobre, de plata o de estaño, siendo la sal susceptible de formar al ser mezclada con dicha escena un sulfuro metálico cuyo producto de solubilidad KSP medido a 25ºC es inferior a 10⁻¹⁰. El compuesto contiene el ligante y arena, granulados, fillers y/o agregados. Reivindicación 7: Procedimiento de preparación de un ligante según una de las reivindicaciones 1 a 6 caracterizado por que comprende una etapa de triturado de la escoria de alto horno vitrificada que permite obtener la escoria granulada triturada siendo la adición de una sal metálica mono-di-o trivalente seleccionada entre las sales de bismuto, de cobre, de plata o de estaño realizada durante o después de dicha etapa de triturado.

REDUCED-CARBON FOOTPRINT CONCRETE COMPOSITIONS

Verfahren zur Zugabe eines Zusatzmittels zu einem Zement, der Hautekzeme verursachendes Chromat enthält und dem Eisen(II)-sulfat zugemischt wird

Cement mix for injection into very long annular gap, e.g. for sewer repair - contains Portland cement, liquidiser and lead cpd. to stabilise viscosity without impairing green strength and final strength

Hydraulic binding injection material consists of a mixt. of cement (I) with 50-100% Portland cement (IA) and cement additives, comprising naphthalenesulphonic acid polycondensate (IIA) with a deg. of condensation of n = 5-10 as liquidiser (II) and opt. 0.4-2.0 (wt.)pts. antifoam (III) and up to 0.05 pt. blowing agent (IV). It is made ready for injection by mixing with water. The novelty is that 1-10 pts. cpds. (V) are added. Amts. are w.r.t. 1000 pts. (I) throughout. Pref. (V) are basic Pb carbonate (VA) (2PbCO3.Ph(OH)2), Pb-2 acetate (Pb(CH3COO)2.3H2O) or Ob 2,4-oxide (Pb3O4), esp. 1-3 pts. (VA). (II) is a mixt. of (IIA) and a sulphonic acid-modified acetone/HCHO condensate (Na salt) (IIB) in 1:2 to 2:1 ratio, pref. in an amt. of 7-10 pts. (I) has a Blaine value less than 5500 cm2/g. (IV) is Al powder and (III) alkoxylated fatty acid esters. Up to 10 pts. microsilica (VI) may be added. USE/ADVANTAGE - The material is esp. suitable for restoring sewer pipes laid with little gradient, where ...

BINDER MADE OF BLAST-FURNACE SLAG

VERBESSERTE KORROSIONSINHIBIERENDE ZUSAMMENSETZUNGEN MIT KALZIUMNITRID

Health preserving synthetic stone and its product

The present invention relates to an artificial synthetic stone, in particular to a healthy synthetic stone and the relative products. The present invention solves the problems that the prior artificial synthetic stone and the relative products can not satisfy the demand to improve the health or preserve the health for the users. The healthy synthetic stone is made of the following materials according to weight ratio: 5-30 percent of medical stone, abundant microelement such as Zn, Se with the content larger than 1-24 percent of 100PPm ore, 30-60 percent of building stone, 10-25 percent of filling material, 8-15 percent of agglomerant; the thinness of the medical stone, ore and building stone is about 5-100 items; the thinness of the filling material is 400-2000 items. The present invention adds the medical stone and the ore abundant of microelement in the aggregate of the original artificial synthetic stone, and uses the self-hole opening in the building material to make the medical stone ...

MEDIUM FOR REDUCING CHROMIUM (VI) IONS IN A WATER-CURING MASS

The invention relates to a medium containing at least 0.02 % Sn (II) ions, excluding halogenides.

Chromate reducer, especially useful in cement, comprises a natural or synthetic zeolite that has been heat treated in a flame

Chromate reducer comprises a natural or synthetic zeolite, especially phonolite, that has been heat treated in a flame with a flame temperature of 450-550[deg]C and an ambient temperature of about 260[deg]C.

Mittel zur Reduzierung von Chrom (VI)-Ionen in einer hydraulisch abbindenden Masse

REDUCED-CARBON FOOTPRINT CONCRETE COMPOSITIONS

Reduced-carbon footprint concrete compositions, and methods for making and using the same, are provided. Aspects of the reduced-carbon footprint concrete compositions include CO2-sequestering carbonate compounds, which may be present in the hydraulic cement and/or aggregate components of the concrete. The reduced-carbon footprint concrete compositions find use in a variety of applications, including use in a variety of building materials and building applications.

ADDITIVE FOR REDUCING CHROMIUM (VI) IONS TO CHROMIUM (III) IONS

The invention relates to an additive for reducing Cr(VI) ions to Cr(III) ions, comprising a complex of tin(II) and a carboxylic acid or a salt thereof, and to the process for the preparation thereof. It also relates to a process for preparing a material having a low chromium(VI) content. Finally, it relates to the use of said additive for reducing chromium(VI) ions to chromium(III) ions.

Reduced-carbon footprint concrete compositions

Reduced-carbon footprint concrete compositions, and methods for making and using the same, are provided. Aspects of the reduced-carbon footprint concrete compositions include CO2-sequestering carbonate compounds, which may be present in the hydraulic cement and/or aggregate components of the concrete. The reduced-carbon footprint concrete compositions find use in a variety of applications, including use in a variety of building materials and building applications.

ADJUVANT FOR REDUCING CHROMIUM (VI) IONS INTO CHROMIUM (III)

CELLULAR PLASTERBOARD

PROBLEM TO BE SOLVED: To obtain a lightweight plasterboard having adhesive property to paper and improved in strength in which interminglement of fine air cells in the core of the plasterboard is repressed to the utmost and comparatively large and uniform air cells are spread out in the core, by containing air cells and a foam-adjusting agent in the core gypsum material of the plasterboard. SOLUTION: The foam-adjusting agent for this plasterboard is a compound having a defoaming or foam-destroying effect and especially preferably an iron sulfate compound or an aluminum sulfate compound. Adjustment of a quantity of this foam-adjusting agent leads to capability of almost controlling the size of air cells in a gypsum slurry and the quantity is preferably 0.001 to 0.01 pts.wt. in the case of a defoaming agent and 0.1 to 0.5 pts.wt. in the case of a foam-destroying agent, each based on 100 pts.wt. of core calcined gypsum. The foam-adjusting agent is projected into a mixer just as it is or in ...

ADJUVANT FOR REDUCING CHROMIUM (VI) IONS INTO CHROMIUM (III)

Corrosion inhibiting formulations with calcium nitrite

An admixture for cement compositions is provided which contributes both anodic and cathodic corrosion inhibition, and the cement compositions containing such additives. The cement additive is a combination of an anodic corrosion inhibitor such as calcium nitrite, and a cathodic corrosion inhibitor such as calcium stearate or other fatty acid. The mixed inhibitors in accordance with the invention provide as good or better corrosion inhibition than does calcium nitrite when used alone.

CEMENT, METHOD FOR HARDENING CEMENT AND PH ADJUSTING AGENT

PROBLEM TO BE SOLVED: To prevent defective hardening and abnormal expansion and to obtain a uniform hardened body by adding a pH adjusting agent to a slurry of a mixture contg. slag in a reducing period and gypsum so that the slurry is adjusted to a specified pH. SOLUTION: One or more kinds of pH adjusting agents selected from among boric acid, baron oxide, ammonium borate and a water-soluble inorg. zinc salt are added to a slurry of a mixture contg. 100 pts.wt. slag in a reducing period and 1-1,000 pts.wt. gypsum to adjust the slurry to pH8.9-11.6. A pH buffer is added to the resultant cement and hardening is carried out to obtain a hardened body of pH10-11. COPYRIGHT: (C)1997,JPO ...

BINDER MADE OF BLAST-FURNACE SLAG

BINDER MADE OF BLAST-FURNACE SLAG

AGENT FOR SOLIDIFICATION TREATMENT OF SURPLUS SOIL HAVING HIGH WATER CONTENT, ITS PRODUCTION AND SOLIDIFICATION TREATMENT OF SURPLUS SOIL HAVING HIGH WATER CONTENT USING THE AGENT

PURPOSE: To uniformly disperse sodium alginate for the solidification treatment of surplus soil having high water content by adding sodium alginate to surplus soil in powdery state. CONSTITUTION: Wet wood flour 1a moistened by spraying water 17 from a nozzle 16 and a powdery mixture 2 containing sodium alginate are mixed with each other by a kneader 18, dried by a drier 24 and crushed by a crusher 31 to obtain powder 4 of a solidification treatment agent composed of wood flour 1 and sodium alginate integrally bonded with each other. The contact of the sodium alginate in the obtained solidification treatment agent 4 with water in the high water-content surplus soil can be prevented by the water-absorptivity of the wood flour 1 to enable the uniform dispersion and kneading of the sodium alginate in the surplus soil without forming lumps of the alginate. As a result, sodium alginate can be added to high water-content surplus soil in powdery state to increase the solidification treatment effect ...

ADDITIVE FOR REDUCING CHROMIUM (VI) TO CHROMIUM (III) IONS

The invention relates to an additive for reducing Cr(VI) ions to Cr(III) ions, comprising a complex of tin(II) and a carboxylic acid or a salt thereof, and to the process for the preparation thereof. It also relates to a process for preparing a material having a low chromium(VI) content. Finally, it relates to the use of said additive for reducing chromium(VI) ions to chromium(III) ions.

Corrosion inhibiting formulations with calcium nitrite

An admixture for cement compositions is provided which contributes both anodic and cathodic corrosion inhibition, and the cement compositions containing such additives. The cement additive is a combination of an anodic corrosion inhibitor such as calcium nitrite, and a cathodic corrosion inhibitor such as calcium stearate or other fatty acid. The mixed inhibitors in accordance with the invention provide as good or better corrosion inhibition than does calcium nitrite when used alone.

IMPROVED CORROSION INHIBITING FORMULATIONS WITH CALCIUM NITRITE

An admixture for cement compositions is provided which contributes both anodic and cathodic corrosion inhibition, and the cement compositions containing such additives. The cement additive is a combination of an anodic corrosion inhibitor such as calcium nitrite, and a cathodic corrosion inhibitor such as calcium stearate or other fatty acid. The mixed inhibitors in accordance with the invention provide as good or better corrosion inhibition than does calcium nitrite when used alone.

Decorative cement slow-setting reinforcing agent and preparing method thereof

The present invention discloses a slow-setting reinforcing agent for decorative cement and its preparation method. Said slow-setting reinforcing agent is made up by proportioning zinc salt, sodium salt, water reducer and other trace materials and making them pass through such processes as drying, grinding to fineness of 900 meshes, homogenizing and mixing for 30 min. Said slow-setting reinforcingagent can be used in production of terrazzo, it can greatly raise the plasticity of decorative cement, and can improve product structure and strength, also can be mixed with white cement to produce "modified white cement".

Strong wall block adhesive and manufacture method thereof as well as wall block and manufacture method thereof

The invention relates to a strong wall block adhesive which comprises a first metal salt, a second metal salt, water, an acid and a surface active agent. The invention also relates to a wall block which comprises the strong wall block adhesive, first auxiliary material, second auxiliary material and third auxiliary material. The invention also relates to the manufacture methods of the strong wallblock adhesive and the wall block which is prepared by using widely distributed soil, shale, building rubbish and tailing resources as main materials and adding the strong wall block adhesive so thatthe manufacture cost of the wall block can be reduced, and the wall block produced by the wall block adhesive has the advantage of short maintaining period, resists water invasion, freeze-thaw and hair line, improves the compressive strength and the anti-bending strength of the wall block and avoids drying shrinkage.

Health preserving synthetic stone and its product

The present invention relates to an artificial synthetic stone, in particular to a healthy synthetic stone and the relative products. The present invention solves the problems that the prior artificial synthetic stone and the relative products can not satisfy the demand to improve the health or preserve the health for the users. The healthy synthetic stone is made of the following materials according to weight ratio: 5-30 percent of medical stone, abundant microelement such as Zn, Se with the content larger than 1-24 percent of 100PPm ore, 30-60 percent of building stone, 10-25 percent of filling material, 8-15 percent of agglomerant; the thinness of the medical stone, ore and building stone is about 5-100 items; the thinness of the filling material is 400-2000 items. The present invention adds the medical stone and the ore abundant of microelement in the aggregate of the original artificial synthetic stone, and uses the self-hole opening in the building material to make the medical stone ...

ADJUVANT FOR REDUCING CHROMIUM (VI) IONS INTO CHROMIUM (III)

亜硝酸カルシウムを用いた改良腐食防止配合物

... 陽極性及び陰極性腐食防止の両方に関与するセメント組成物のための混合物、ならびにそのような添加剤を含有するセメント組成物を提供する。セメント添加剤は、亜硝酸カルシウムなどの陽極性腐食防止剤とステアリン酸カルシウム又は他の脂肪酸などの陰極性腐食防止剤の組み合わせである。本発明の混合防止剤は、単独で用いられる場合の亜硝酸カルシウムが与えるより優れた腐食防止を与える。 ...

IMPROVED CORROSION INHIBITING FORMULATIONS WITH CALCIUM NITRITE

ADJUVANT FOR REDUCING CHROMIUM (VI) IONS INTO CHROMIUM (III)

Fire resistant interlayer

The composition for preparation of a fire resistant interlayer includes an aqueous alkali silicate solution and a silicon dioxide compound. The composition has a molar ratio of silicon dioxide (SiO2) to alkali metal oxide (M2O) of larger than 2. The composition further includes a stabilisation agent and the stabilisation agent includes zinc (Zn).

Remedial wellbore sealing with unsaturated monomer system

A defective cemented annulus in a wellbore is repaired by injecting a water-soluble monomeric composition having polymerizable unsaturated groups. This allows repair of leaking cement jobs where the leakage occurs through very small imperfections. In accordance with the invention, a section of the casing above the area where formation fluid pressure may be entering is sealed off with packer devices, perforated or mill cut and a monomer solution is injected into the cemented annulus.

FORMATION OF COATING FILM ON CERAMIC ARTICLE

PURPOSE: To form a latex rubber coating film having high reliability on the whole surface of a ceramic product even when the ceramic product has a complicated shape. CONSTITUTION: In the first process, the diluted solution of a latex rubber is spray-coated on the whole surface of a ceramic molded product to form a latex rubber-coating film 4, and in the second process, the coated ceramic molded product 1 is immersed in an aqueous solution 5 containing divalent metal ions to coat the product 1 with the solution 5. In the third process, the ceramic molded product 1 coated with the aqueous solution is further immersed in a latex rubber solution to form a latex rubber layer 7. COPYRIGHT: (C)1993,JPO&Japio ...

Strong wall block adhesive and manufacture method thereof as well as wall block and manufacture method thereof

The invention relates to a strong wall block adhesive which comprises a first metal salt, a second metal salt, water, an acid and a surface active agent. The invention also relates to a wall block which comprises the strong wall block adhesive, first auxiliary material, second auxiliary material and third auxiliary material. The invention also relates to the manufacture methods of the strong wallblock adhesive and the wall block which is prepared by using widely distributed soil, shale, building rubbish and tailing resources as main materials and adding the strong wall block adhesive so thatthe manufacture cost of the wall block can be reduced, and the wall block produced by the wall block adhesive has the advantage of short maintaining period, resists water invasion, freeze-thaw and hair line, improves the compressive strength and the anti-bending strength of the wall block and avoids drying shrinkage.

ligante para materiais de construção, processo de preparação de um ligante, processo de eliminação ou redução do odor de enxofre desprendido quando da fabricação de materiais de construção à base de escórias de alto forno, composição de concreto ou de argamassa, processo de preparação de uma tal composição e materiais de construção

CEMENT ADMIXTURE AND CEMENT COMPOSITION

PURPOSE: To improve the effect to inhibit salt damage carbonation by incorporating hydrotalcite and one or more hydroxides of bivalent metals of Mg, Zn, Cu, and Fe. CONSTITUTION: At least one kind of hydroxide (A) is prepared by selecting from Mg(OH)2, Zn(OH)2, Cu(OH)2, and Fe(OH)2, having 0.1-100μm particle size. Then, hydrotalcite (B) having 0.1-100μm particle size is prepared from compds. expressed by formula. In formula, X satisfies 0 Подробнее

BINDER MADE OF BLAST-FURNACE SLAG

Improved corrosion inhibiting formulations with calcium nitrite

An admixture for cement compositions is provided which contributes both anodic and cathodic corrosion inhibition, and the cement compositions containing such additives. The cement additive is a combination of an anodic corrosion inhibitor such as calcium nitrite, and a cathodic corrosion inhibitor such as calcium stearate or other fatty acid. The mixed inhibitors in accordance with the invention provide as good or better corrosion inhibition than does calcium nitrite when used alone.

Improved corrosion inhibiting formulations with calcium nitrite

Cement admixture and cement composition

CEMENT ADDITIVE COMPOSITION, AND CEMENT SOLIDIFYING METHOD USING THE CEMENT ADDITIVE COMPOSITION

PROBLEM TO BE SOLVED: To seal hexavalent chromium in a cement in a solid formed body and to prevent environmental contamination by incorporating a substance selected from inorg. substances comprising primary manganese salts, sulfites, sulfides, thiosulfates, nitrites and ammonium salts and org. substances comprising aldenhydes, polyhydric alocohols and org. acids. SOLUTION: At least one kind of cement additive compsn. selected from inorg. substances comprising primary manganese salts, sulfites, sulfides, thiosulfates, nitrites and ammonium salts or org. substances comprising aldehydes, polyhydric alcohols and org. acids is added to a cement in such a manner that the amt. of the additive compsn. is ≥1.5 times as the stoichiometric amt. of hexavalent chromium included in the cement. Then water is added to the cement, kneaded, supplied in a dye and solidified. The cement additive compsn. may be added in the production process of the cement or may be prepared as a power or dissolved in water ...

Based on the blast furnace slag adhesive

Cement compositions with a high-density additive of silicon carbide or sintered bauxite

A method of cementing in a subterranean formation comprising the steps of: (A) introducing a cement composition into the subterranean formation, the cement composition comprising: (i) cement; (ii) water; and (iii) a high-density additive selected from the group consisting of silicon carbide, sintered bauxite, and any combination thereof, wherein the cement composition has a density of at least 16 pounds per gallon; and (B) allowing the cement composition to set. According to an embodiment, the high-density additive is in a concentration of at least 30% by weight of the cement. A cement composition for use in an oil or gas well comprises: (A) cement; (B) water; and (C) a high-density additive selected from the group consisting of silicon carbide, sintered bauxite, and a combination thereof, wherein the high-density additive is in a concentration of at least 30% by weight of the cement, and wherein the cement composition has a density of at least 16 pounds per gallon.

Honeycomb structure comprising an outer cement skin and a cement therefor

Disclosed is a honeycomb catalyst support structure comprising a honeycomb body and an outer layer or skin formed of a cement comprising an amorphous glass powder with a multimodal particle size distribution applied to an exterior surface of the honeycomb body. The multimodal particle size distribution is achieved through the use of a first glass powder having a first median particle size and at least a second glass powder having a second median particle size. In some embodiments, the first and second glass powders are the same amorphous glass consisting of fused silica. The cement may further include a fine-grained, sub-micron sized silica in the form of colloidal silica. The cement exhibits a coefficient of thermal expansion less than 15×10 −7 /° C., and preferably about 5×10 −7 /° C. after drying.

Chitin nanocrystal containing wellbore fluids

The current invention relates to the use of chitin nanocrystals and chitin nanocrystal derivatives. More specifically, the present invention relates to the use of chitin nanocrystals and chitin nanocrystals used in oil and gas operations. The chitin nanocrystals and chitin nanocrystals derivatives can be used as additives to cement and wellbore fluids and can be used to inhibit corrosion in pipelines, on downhole tools and on other oil and gas related equipment.

Rapid curing mineral binder mixture

A fast-curing mineral binder mixture includes a zirconium(IV)-based accelerator, a cement which includes at least one component selected from the compounds 3CaO*Al 2 O 3 , 12CaO*7Al 2 O 3 , CaO*Al 2 O 3 , CaO*2Al 2 O 3 , CaO*6Al 2 O 3 and 4CaO*3Al 2 O 3 *SO 3 , and 15 to 80 wt % of a sulfate carrier, wherein the wt % is based on a weight of the fast-curing mineral binder mixture. The fast-curing mineral binder mixture can optionally include at least one alkaline component and/or at least one additive.

Cement

The present disclosure relates to a cementious composition (e.g. for mounting a strain gauge within a gas turbine engine) comprising: part A comprising an acidic solution of a metal salt; part B comprising silica and one or more metal oxides; and part C comprising colloidal silica and/or a silicate solution. Part A may comprise an acidic aluminium phosphate solution. Part B may comprise one or more or all of titanium oxide, chromium oxide, alumina and barium oxide

Methods for Maintaining Zonal Isolation in a Subterranean Well

A cement for use in wells in which hydrogen sulfide is present, comprises polymer particles. In the event of cement-matrix failure, or bonding failure between the cement/casing interface or the cement/borehole-wall interface, the polymer particles swell when contacted by hydrogen sulfide. The swelling seals voids in the cement matrix, or along the bonding interfaces, thereby restoring zonal isolation.

ULTRA-HIGH PERFORMANCE NON-SELF-CONSOLIDATING CONCRETE

A hydraulic binder includes in mass percent from 20 to 82% of a Portland cement the particles of which have a Dcomprised from 2 μm to 11 μm; from 15 to 56% of a non-pozzolanic mineral addition A1, the particles of which have a Dfrom 1 to 150 μm and selected from among limestone additions, siliceous additions, siliceous limestone mineral additions, calcined shales, zeolites, burnt plant ashes, and mixtures thereof; from 4 to 30% of pozzolanic mineral addition A2, the particles of which have a Dfrom 1 to 150 μm; a sum of the percentages of the Portland cement, the non-pozzolanic mineral addition A1 and the pozzolanic mineral addition A2 being comprised from 90 to 100%. 1. A hydraulic binder comprising in mass percent:{'sub': '50', 'from 20 to 82% of a Portland cement the particles of which have a Dcomprised from 2 μm to 11 μm;'}{'sub': '50', 'from 15 to 56% of a non-pozzolanic mineral addition A1, the particles of which have a Dcomprised from 1 to 150 μm and selected from among limestone additions, siliceous additions, siliceous limestone mineral additions, calcined shales, zeolites, burnt plant ashes, and mixtures thereof;'}{'sub': '50', 'from 4 to 30% of pozzolanic mineral addition A2, the particles of which have a Dcomprised from 1 to 150 μm;'}a sum of the percentages of the Portland cement, the non-pozzolanic mineral addition A1 and the pozzolanic mineral addition A2 being comprised from 90 to 100%.2. The hydraulic binder according to claim 1 , wherein the cement is a CEM I cement.3. The hydraulic binder according to claim 1 , further comprising calcium sulfate.4. The hydraulic binder according to claim 1 , wherein the mineral addition A2 is selected from among silica fume claim 1 , micro-silica claim 1 , pozzolanic materials claim 1 , metakaolin claim 1 , slags claim 1 , optionally milled claim 1 , or mixtures thereof.5. The hydraulic binder according to claim 1 , wherein the particles of the cement have a Dcomprised from 8 μm to 40 μm.6. A mixture comprising in ...

Self-Consolidating Concrete Construction with Self-Roughening Properties

Adding a small amount of lightweight course aggregate to a normal weight concrete mix to produce a clean, rough top surface so that manual or mechanical roughing of the top surface is not necessary. The lightweight course aggregate will float to the surface, and make a rough surface so that the bond and shear resistance of the interface (cold joint) between previously placed and newly placed concrete will be as strong as a manually roughened joint. 1. Concrete with self-roughening properties comprising: a cementitious material;', 'coarse aggregate (CA);', 'fine aggregate (FA);', 'water; and', 'air; and, 'a mixture oflightweight coarse aggregate (LWA) having a specific gravity lower than that of the mixture;wherein the mass of the LWA is in the range of between approximately 5%-15% of the mass of the CA in the concrete.2. The concrete of further comprising very fine aggregate (VFA).3. (canceled)4. The concrete of claim 1 , wherein the cementitious material comprises approximately 16%-27% by weight of the concrete.5. The concrete of claim 1 , wherein the cementitious material comprises approximately 22%-27% by weight of the concrete.6. (canceled)7. The concrete of claim 1 , wherein the CA comprises between approximately 31%-36% by weight of the concrete.8. (canceled)9. The concrete of claim 1 , wherein the FA comprises between approximately 30%-35% by weight of the concrete.10. The concrete of claim 1 , wherein at least a portion of the LWA provide self-roughening properties without vibration to the concrete.11. A method of forming a concrete structure comprising:pouring a first amount of a first concrete with self-roughening properties comprising a mixture of a cementitious material, coarse aggregate (CA), fine aggregate (FA), water and, air and lightweight coarse aggregate (LWA) having a specific gravity lower than that of the mixture, wherein the mass of the LWA is in the range of between approximately 5%-15% of the mass of the CA in the first concrete;wherein a ...

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

A method of conversion of a water-based mud to a gel-based LCM quickly to control lost circulation in a lost circulation zone in a wellbore during continuous drilling with a drilling mud, the drilling mud comprises a volcanic ash, water, a de-foamer, a pH buffer, and a polymer. The method comprises the steps of entering the lost circulation zone, determining a lost circulation volumetric flow rate, metering a first amount of a binder into the drilling mud to create a binder containing mud, pumping the binder containing drilling mud into the wellbore, and suspending metering of the first amount of the binder to the drilling mud after a pre-defined regulating period of time effective to permit the binder containing drilling mud to create a gel-based LCM operable to alter the lost circulation zone.

METHOD OF CONVERSION OF A DRILLING MUD TO A GEL-BASED LOST CIRCULATION MATERIAL TO COMBAT LOST CIRCULATION DURING CONTINUOUS DRILLING

A method of conversion of a water-based mud to a gel-based LCM quickly to control lost circulation in a lost circulation zone in a wellbore during continuous drilling with a drilling mud, the drilling mud comprises a volcanic ash, water, a de-foamer, a pH buffer, and a polymer. The method comprises the steps of entering the lost circulation zone, determining a lost circulation volumetric flow rate, metering a first amount of a binder into the drilling mud to create a binder containing mud, pumping the binder containing drilling mud into the wellbore, and suspending metering of the first amount of the binder to the drilling mud after a pre-defined regulating period of time effective to permit the binder containing drilling mud to create a gel-based LCM operable to alter the lost circulation zone. 1. A gel-based LCM composition , the gel-based LCM composition comprising:a volcanic ash;water;a viscosifier;a fluid loss control additive;a pH buffer, wherein the pH buffer is operable to adjust a pH of the gel-based LCM;a de-foamer, wherein the de-foamer is operable to reduce the creation of foam; anda binder, wherein the binder is operable to achieve the target gel characteristic of the gel-based LCM, wherein a weight ratio of the volcanic ash to the binder is 1:1.5 to 1:3.2. The composition of claim 1 , wherein the volcanic ash is a Saudi Arabian volcanic ash.3. The composition of claim 1 , wherein the pH buffer is selected from the group consisting of sodium hydroxide claim 1 , potassium hydroxide claim 1 , and lime.4. The composition of claim 1 , wherein the viscosifier is XC polymer.5. The composition of claim 1 , wherein the fluid loss control additive is psyllium husk powder.6. The composition of claim 1 , wherein the binder is selected from the group consisting of drilling grade cements Class A claim 1 , Class B claim 1 , Class C claim 1 , Class G claim 1 , Class H or combinations thereof.7. A method to control lost circulation in a lost circulation zone in a ...

Self-sealing well cement composition

A cement composition is provided including a cement and a low reactivity particle coated with a swellable polymeric material. The low reactivity particle is coated with a swellable polymeric material at a concentration of about 10 weight percent to about 50 weight percent, based on the weight of the cement. The swellable polymeric material swells to a larger volume when exposed to one or more hydrocarbons, depending on the selected polymeric material. The cement composition is used in a method as a self-sealing cement for cementing an oil and gas well, thereby minimizing or mitigating the unwanted migration of water or hydrocarbons.

制备复合材料制品的方法

制备复合材料制品的方法，包括以下步骤：(a)提供可固化混合物，其包含：‑30‑95重量％的填料，‑5‑70重量％的树脂，其选自不饱和聚酯树脂、乙烯基酯树脂、(甲基)丙烯酸酯树脂及其组合，‑0.5‑10phr的至少一种过氧酯，‑0.1‑2.0phr的至少一种有机氢过氧化物，过氧酯/有机氢过氧化物的重量比小于14.0，所述可固化混合物基本上不含酮过氧化物，(b)将所述混合物成型，和(c)在60‑100℃的温度下加热成型的混合物以影响树脂的硬化和制品的形成。

セメント混和材及びセメント組成物

(57)【要約】 【課題】 主に、土木・建築分野において使用し、コン クリ−ト構造物中の鉄筋の腐食を効果的に抑止すること が可能であるセメント混和材及びセメント組成物を提供 すること。 【解決手段】 リチウムアルミニウム複合水酸化物を含 有してなるセメント混和材であり、セメントと、該セメ ント混和材とを含有してなるセメント組成物を構成とす る。

Water repellency agent for reinforced concrete construction, manufacturing process thereof, and waterproofing method using the same

본 발명은 콘크리트 구조물의 침투 강화형 실리케이트계 방수제 조성물 및 그의 제조 방법과 이를 이용한 방수 시공 방법에 관한 것으로서, 방수제 조성물의 총량에 대해 실리케이트 40~62중량%, 폴리실리케이트 1~8중량%, 폴리머 디스퍼젼 5∼20중량%, 생화학 물질 0.1∼0.6중량%, 무수 알코올 2∼6중량%, 철근 부식 억제제 0.5∼5중량%, 증류수 13∼22중량%를 포함하고, 계면 활성제, 지시약 및 반응 속도 조절제를 상기 방수제 조성물 총량에 대해 각각 0.1~1중량%, 0.5중량% 이상 및 0.1중량% 이상 더 포함하는 방수제 조성물, 이를 제조하는 구체적인 방법 및 이것을 이용하여 방수 시공하는 방법을 제공한다. 본 발명의 방수제 조성물, 그의 제조 방법 및 방수 시공 방법에 의하면, 방수제 조성물을 콘크리트에 도포했을때, 콘크리트 중으로 빠르게 확산되어 들어가 콘크리트 구조물의 표면 뿐만 아니라 내부에도 물리, 화학적으로 안정한 방수층을 형성하고, 활성 상태에 있는 철근의 부식 활동을 억제할 뿐만 아니라, 콘크리트 구조물을 강화하여 강도를 증가시키고, 외부로부터의 열화 인자 및 물의 침투를 억제한다. The present invention relates to a penetration-enhanced silicate-based waterproofing agent composition of a concrete structure, a method for manufacturing the same, and a waterproof construction method using the same, wherein the total amount of the waterproofing agent composition is 40 to 62% by weight of silicate, 1 to 8% by weight of polysilicate, and a polymer disper 5 to 20% by weight of fermentation, 0.1 to 0.6% by weight of biochemicals, 2 to 6% by weight of anhydrous alcohol, 0.5 to 5% by weight of steel corrosion inhibitor, 13 to 22% by weight of distilled water, surfactant, indicator and reaction rate regulator It provides a waterproofing agent composition comprising a 0.1 to 1% by weight, 0.5% by weight or more and 0.1% by weight or more relative to the total amount of the waterproofing agent composition, a specific method for producing the same and a method for waterproofing using the same. According to the waterproofing agent composition, its manufacturing method, and waterproofing construction method of the present invention, when the waterproofing agent composition is applied to concrete, it rapidly diffuses into concrete to form a physically and chemically stable waterproofing layer not only on the surface of the concrete structure, but also on the inside, and In addition to suppressing the corrosive activity of the reinforcing bar in the state, the concrete structure is strengthened ...

Ultra-high pressure and high pressure sintered body

Self-sealing well cement composition

A cement composition is provided including a cement and a low reactivity particle coated with a swellable polymeric material. The low reactivity particle is coated with a swellable polymeric material at a concentration of about 10 weight percent to about 50 weight percent, based on the weight of the cement. The swellable polymeric material swells to a larger volume when exposed to one or more hydrocarbons, depending on the selected polymeric material. The cement composition is used in a method as a self-sealing cement for cementing an oil and gas well, thereby minimizing or mitigating the unwanted migration of water or hydrocarbons.

Fixant for mixed organic and inorganic contaminated materials and method for using same

A toxic waste fixant for detoxification of a contaminated material includes a mixture of ferric sulfate, manganese sulfate, organophilic clays, an oxidizer and aluminium sulfate. The respective amounts are preferably about 15-19% b.w. of ferric sulfate, about 15-19% b.w. of manganese sulfate, about 37-46% b.w. of organophilic clay, about 16-19% b.w. of an oxidizer and about 0-12,5% b.w. of alumimium sulfate. All or part of the ingredients in said fixant may be added as a pretreatment into contaminated materials such as soils, sediments, or sludges. This pretreatment can range from 0 to 100% b.w. to said material. The fixant is blended with various amounts of Portland cement, and/or blast furnace slag, or lime, or gypsum, or coal fly ash, or cement kiln dust as a means to derive a chemical fixation treatment for contaminated soils, sediments, and sludges to prevent the leaching of organic and inorganic compounds and elements.

Methods for maintaining zonal isolation in a subterranean well

Cement compositions comprising stevia retarders

Methods and compositions that include a method of cementing comprising providing a cement composition comprising water, a hydraulic cement, and an additive comprising at least one additive selected from the group consisting of a stevia retarder and inulin; placing the cement composition in a subterranean formation; and permitting the cement composition to set in the formation.

Cement Compositions Comprising Stevia Retarders

Methods and compositions that include a method of cementing comprising providing a cement composition comprising water, a hydraulic cement, and an additive comprising at least one additive selected from the group consisting of a stevia retarder and inulin; placing the cement composition in a subterranean formation; and permitting the cement composition to set in the formation.

Cement compositions comprising stevia retarders

Methods and compositions that include a method of cementing comprising providing a cement composition comprising water, a hydraulic cement, and an additive comprising at least one additive selected from the group consisting of a stevia retarder and inulin; placing the cement composition in a subterranean formation; and permitting the cement composition to set in the formation.

Cement compositions comprising stevia retarders

Methods and compositions that include a method of cementing comprising providing a cement composition comprising water, a hydraulic cement, and an additive comprising at least one additive selected from the group consisting of a stevia retarder and inulin; placing the cement composition in a subterranean formation; and permitting the cement composition to set in the formation.

Well cement composition for deep water offshore wells

Cement compositions comprising set retarder compositions and associated methods

Cement compositions are provided that comprise a hydraulic cement, water, and a set retarder composition, the set retarder composition comprising an acrylamide polymer derivative; and an iron compound. In some embodiments, cement compositions are provided that comprise a hydraulic cement comprising a cement, water, and a set retarder composition, the set retarder composition comprising a lignin-based retarder and an iron compound.

Cementing casing strings in deep water offshore wells

The present invention provides improved methods of cementing casing strings in deep water offshore formations penetrated by well bores. The methods are basically comprised of the steps of preparing a cement composition having a short transition time comprised of hydraulic cement, a water reducing additive, a dispersing additive, a compressive strength enhancing and set retarding additive, a set accelerating additive and water, placing the cement composition in the annulus between the casing string and the well bore and allowing the cement composition to set into a hard impermeable mass.

Compositions comprising set retarder compositions and associated methods

Cement compositions comprising set retarder compositions, and methods of using the cement compositions in surface and subterranean applications are provided. In some embodiments, cement compositions are provided that comprise a hydraulic cement comprising an API cement, water, and a set retarder composition, the set retarder composition comprising an acrylamide polymer derivative; and an iron compound. In other embodiments, cement compositions, set retarder compositions, methods of cementing, methods of retarding the set time of a cement composition, and methods of preparing a cement composition are provided.

Cement compositions comprising set retarder compositions and associated methods

Cement compositions are provided that comprise a hydraulic cement, water, and a set retarder composition, the set retarder composition comprising an acrylamide polymer derivative; and an iron compound. In some embodiments, cement compositions are provided that comprise a hydraulic cement comprising a cement, water, and a set retarder composition, the set retarder composition comprising a lignin-based retarder and an iron compound.

Cement compositions with a high-density additive of silicon carbide or sintered bauxite

A method of cementing in a subterranean formation comprising the steps of: (A) introducing a cement composition into the subterranean formation, the cement composition comprising: (i) cement; (ii) water; and (iii) a high-density additive selected from the group consisting of silicon carbide, sintered bauxite, and any combination thereof, wherein the cement composition has a density of at least 16 pounds per gallon; and (B) allowing the cement composition to set. According to an embodiment, the high-density additive is in a concentration of at least 30% by weight of the cement. A cement composition for use in an oil or gas well comprises: (A) cement; (B) water; and (C) a high-density additive selected from the group consisting of silicon carbide, sintered bauxite, and a combination thereof, wherein the high-density additive is in a concentration of at least 30% by weight of the cement, and wherein the cement composition has a density of at least 16 pounds per gallon.

Compositions comprising set retarder compositions and associated methods

The present invention relates to cementing operations, and more particularly, to cement compositions comprising set retarder compositions and methods of using the cement compositions in surface and subterranean applications. In some embodiments, the present invention provides cement compositions that comprise a hydraulic cement comprising an API cement, water, and a set retarder composition, the set retarder composition comprising an acrylamide polymer derivative; and an iron compound. In other embodiments, the present invention provides cement compositions, set retarder compositions, methods of cementing, methods of retarding the set time of a cement composition, and methods of preparing a cement composition.

Compositions comprising set retarder compositions and associated methods

The present invention relates to cementing operations, and more particularly, to cement compositions comprising set retarder compositions and methods of using the cement compositions in surface and subterranean applications. In some embodiments, the present invention provides cement compositions that comprise a hydraulic cement comprising an API cement, water, and a set retarder composition, the set retarder composition comprising an acrylamide polymer derivative; and an iron compound. In other embodiments, the present invention provides cement compositions, set retarder compositions, methods of cementing, methods of retarding the set time of a cement composition, and methods of preparing a cement composition.

Cement blend to compensate for volume reduction and cementation in an underground zone

Loss circulation compositions (LCM) having Portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having Portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having Portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having Portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having Portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having Portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well. A Portland cement clinker may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement choker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Loss circulation compositions (LCM) having Portland cement clinker

Portland cement clinker LCMs that include Portland cement clinker to mitigate or prevent lost circulation in a well are provided. A Portland cement clinker LCM may include Portland cement clinker, Portland cement, a carrier fluid, and an inorganic consolidation activator. Another Portland cement clinker LCM may include Portland cement clinker and a crosslinked fluid, such as a polyuronide crosslinked via calcium ions or a polysaccharide crosslinked via divinyl sulfone. Yet another Portland cement clinker LCM may include Portland cement clinker and polymer fibers or particulate glass. Methods of lost circulation control using a Portland cement clinker LCM are also provided.

Borehole cement composition for "offshore" wells in deep water

Methods of cementing

The present invention provides improved methods for cementing. The methods are basically comprised of the steps of preparing a cement composition comprised of hydraulic cement, water, gas, surfactants, a cement early strength accelerator and a mildly set retarding cement dispersing agent, placing the cement composition in the annulus between the casing string and the well bore and allowing the cement composition to set into a hard impermeable mass. The cement composition used can alternatively comprise hydraulic cement, a water reducing additive, a dispersing additive, a set accelerating additive and water. Also, the cement composition can be made environmentally benign by using water reducing and dispersing additives, set retarding additives, and compressive strength and set accelerating additives which are environmentally degradable.

Methods and compositions for compensating for cement hydration volume reduction

A method and cementing composition that includes gas generating additives for compensating for or offsetting hydration volume shrinkage of the cementing compositions. The method comprises placing the cementing composition in a subterranean zone and allowing the cement composition to set into a solid mass therein.

Metal carboxylate clays, derivatives of metal carboxylate clays, methods for making the same, and compositions containing the same

Zinc carboxylate clays and zinc carboxylate organoclays, methods for their preparation, and compositions containing the same are disclosed. The methods comprise either mixing a zinc clay composition with a carboxylic acid, or mixing a carboxylic acid with a zinc ammonia complex solution, then combining the resulting zinc carboxylate salt with a slurry or suspension of a cation-exchangeable clay, to prepare the zinc carboxylate clay. These clays can be further intercalated with quaternary ammonium salts to make zinc carboxylate organoclays. The present clays may be used in compositions and/or as additives in rubber and plastic formulations and products and in catalyst formulations.

Methods of cementing and cement compositions containing a polymeric cement cohesion additive

A method and cementing composition is provided for sealing a subterranean zone penetrated by a well bore, wherein the cementing composition comprises a mixture of cementitious material, a polymeric cement cohesion additive, and sufficient water to form a slurry. The polymeric cement cohesion additive is a high molecular weight hydroxyethylcellulose. The method comprises placing the cement composition in the subterranean zone and allowing the cement composition to set into a solid mass therein.

A cement composition containing a substituted ethoxylated phenol surfactant for use in an oil-contaminated well

The present invention provides a well treatment composition comprising a surfactant comprising a substituted ethoxylated phenol having at least one substituent, 1 to 14 moles of ethylene oxide, and the substituent being an alkyl, alkene, or alkyne with a carbon chain length in the range of 4 to 25, wherein the substituted ethoxylated phenol is selected from the group consisting of: ortho-, para-, or meta- substituted ethoxylated phenol; cardanol ethoxylate; derivatives thereof; and combinations of any of the foregoing. Preferably, the surfactant comprises cardanol ethoxylate, a substituted cardanol ethoxylate, and derivatives thereof. According to another embodiment, a method of cementing in a subterranean formation comprises: introducing a cement composition into the subterranean formation, wherein the cement composition comprises: (A) cement; (B) water; and (c) the surfactant; and allowing the cement composition to set.

Fixeermiddel voor gemengde organisch en anorganisch verontreinigde materialen en werkwijze ter bereiding en toepassing daarvan.

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

A method of conversion of a water-based mud to a gel-based LCM quickly to control lost circulation in a lost circulation zone in a wellbore during continuous drilling with a drilling mud, the drilling mud comprises a volcanic ash, water, a de-foamer, a pH buffer, and a polymer. The method comprises the steps of entering the lost circulation zone, determining a lost circulation volumetric flow rate, metering a first amount of a binder into the drilling mud to create a binder containing mud, pumping the binder containing drilling mud into the wellbore, and suspending metering of the first amount of the binder to the drilling mud after a pre-defined regulating period of time effective to permit the binder containing drilling mud to create a gel-based LCM operable to alter the lost circulation zone.

Method of making underlay

FIELD: chemistry. SUBSTANCE: invention relates to a method of making underlay in buildings. In the said method which involves mixing components of a dry construction mixture and water, laying the obtained mixture and drying, laying is carried out in two steps, where a dry construction mixture containing the following components given in vol. % is used at the first step: porous material selected from a group comprising: polystyrene foam, crushed limestone wastes, vermiculite, pearlite and expanded clay 48.0-69.0, slaked lime 0.76-0.84, technical lignosulphonates 0.1-0.13, sodium tripolyphosphate 0.02-0.03, G3-G6 gypsum binder - the rest. A dry construction mixture containing components in the following ratio given in vol. % is used at the second step: quartz sand 25-50, plasticiser 0.38-0.42, slaked lime 2.5-2.75, sodium tripolyphosphate 0.18-0.22, G13 and G16 gypsum binder - the rest. Laying is done successively, starting with a first layer with thickness of 20-300 mm from a mixture of water and components of the dry construction mixture from the first step, and then a 5-30 mm thick second layer on the hardened first layer from a mixture of water and components of the dry construction mixture from the second step, where when mixing water and components of the dry mixture from the first step porous material is first mixed an aqueous mixture from technical lignosulphonates and sodium tripolyphosphate and the rest of the components of the dry mixture are then added. When mixing water and components of the dry mixture from the second step, quartz sand is first mixed with an aqueous mixture from plasticiser and sodium tripolyphosphate and the rest of the components are then added. The second layer is dried at 20°C until complete hardening. EFFECT: increased strength and water resistance, improved heat- and sound insulation properties. 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 393 130 (13) C2 (51) МПК C04B 28/14 (2006.01) C04B 111/20 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ...

Lost circulation compositions (LCM) comprising Portland cement clinker

本发明提供了包含波特兰水泥熟料以减轻或防止井中的井漏的波特兰水泥熟料LCM。波特兰水泥熟料LCM可包含波特兰水泥熟料、波特兰水泥、载液和无机固结活化剂。另一种波特兰水泥熟料LCM可包含波特兰水泥熟料和诸如经由钙离子交联的多糖醛酸苷或经由二乙烯基砜交联的多糖之类的交联流体。另一种波特兰水泥熟料LCM可包含波特兰水泥熟料和聚合物纤维或颗粒状玻璃。本发明还提供了使用波特兰水泥熟料LCM进行井漏控制的方法。

Artificial building stones and preparation method thereof

本发明公开了一种人造建筑石材，按重量百分比其原料组成为：骨料80～90％、水玻璃6～18％、水玻璃固化剂0.6～5.5％、防水剂0.1～1％。本发明还公开了上述人造建筑石材的制备方法。本发明产品具有优异的耐候性及耐火性，具有耐高温、不易老化、防火等特点。产品可密封长期存放，适合大批量配料生产；同时极大地减少了粘结剂的用量，大幅度降低了生产成本。而且能够有效减少色差，使得产品能够在大面积工程板材领域推广应用。

Method of additive production for binder

Использование: производство строительных материалов. Сущность: способ получени  добавки к в жущим включает обработку 60-90 мас.% алюмосодержащего ком . - - 2 : . ; . понента, 10-40 мас.% щелочного отхода производства технической соды с последующей обработкой раствором серной кислоты при 70-100°С и выдержкой в течение 1-1,5 ч, причем щелочной отход производства технической соды содержит, мас.%: гид- роксид натри  12-18, гидроксид кальци  16-18, карбонат кальци  20-25, сульфат натри  20-25, вода остальное, а в качестве алюмосодержащего компонента используют отход производства корунда, содержащий , мае.ч: углерод 1,5-3 мас.%, оксид алюмини  - остальное или отход производства силумина, содержащий, мас.%: двуокись кремни  21-28, оксид алюмини  52-60, оксид железа 0,5-0,6, двуокись титана 0,3-0,4, оксид кальци  0,4-0,6, углерод - остальное, Портландцементы с использованием данной добавки характеризуютс  прочностью через 3 суток - 229-249 МПа, через 28 суток - 517-562 МПа. 3 з.п( ф-лы, 1 табл.

A composition for panel adhesion of concrete water tank

PURPOSE: An adhesive composition for a panel of a concrete water bath is provided to prevent the cracking and deformation of the composition at the flooding condition, and the separation of the panel from the water bath. CONSTITUTION: An adhesive composition for a panel of a concrete water bath contains portland cement, purified water, a re-emulsion type powdered resin, silica, a thickening agent, a fiber material, a curing accelerator, a hydrophobic additive, and an antimicrobial agent. The hydrophobic additive contains a compound selected from the group consisting of calcium stearate and zinc stearate.

METHOD FOR MAKING A FLOOR BASIS

Способ изготовления основания пола, включающий приготовление строительной сухой смеси, разведение сухой смеси водой, перемешивание, укладку смеси слоем на поверхность пола и сушку слоя, отличающийся тем, что приготовление строительной сухой смеси проводят в два этапа, причем на первом этапе в качестве сухой смеси используют компоненты, % от общего объема: ! пористый материал48-69известь гашеная0,76-0,84технические лигносульфонаты0,1-0,13полимеризованные фосфаты органические0,02-0,03гипсовое вяжущее марки Г3-Г6остальное ! а на втором этапе в качестве сухой смеси используют компоненты, % от общего объема: ! кварцевый песок25-50пластификатор0,38-0,42известь гашеная2,5-2,75полимеризованные фосфаты органические0,18-0,22гипсовое вяжущее марки Г13-Г16остальное ! разводят водой каждую сухую смесь по отдельности и укладывают последовательно на основание пола сначала первый слой толщиной, равный 20-300 мм, из разведенной сухой смеси первого этапа, а на затвердевший первый слой укладывают второй слой толщиной, равной 5,0-30 мм, из разведенной сухой смеси второго этапа, причем для получения первого слоя сначала смешивают пористый материал с водной смесью из лигносульфонатов и полимеризованных фосфатов органических, а затем добавляют остальные компоненты сухой смеси, а для получения второго слоя сначала смешивают кварцевый песок с водной смесью из пластификатора и полимеризованных фосфатов органических, а затем добавляют остальные компоненты сухой смеси, при этом второй слой подвергают сушке при температуре 20°С до полного его затвердевания, а в качестве пористого материала в составе первого слоя используют пенополистирол, или дробленые отхо (19) РОССИЙСКАЯ ФЕДЕРАЦИЯ RU (11) 2008 132 754 (13) A (51) МПК C04B 28/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21), (22) Заявка: 2008132754/03, 08.08.2008 (43) Дата публикации заявки: 20.02.2010 Бюл. № 5 (71) Заявитель(и): Иващенко Дмитрий Валерьевич (RU) (72) ...

Honeycomb comprising cement exocuticle and cement

本发明涉及包含水泥外表皮及水泥的蜂窝结构。本文所揭示的是一种蜂窝催化剂载体结构，它包含蜂窝体及由水泥形成的施加于蜂窝体外表面的外层或表皮，所述水泥包含具有多峰粒度分布的无定形的玻璃粉末。所述多峰粒度分布是通过使用具有第一中值粒度的第一玻璃粉末及具有第二中值粒度的至少一种第二玻璃粉末实现的。在一些实施方式中，第一和第二玻璃粉末是由熔融二氧化硅组成的相同的无定形的玻璃。所述水泥还可以包括细颗粒的，胶体二氧化硅形式的亚微米大小的二氧化硅。所述水泥的热膨胀系数小于15x10 ‑7 /℃，干燥后优选约5x10 ‑7 /℃。

Treatment agent for contaminated soil and method for treating contaminated soil

Methods for maintaining zonal isolation in a subterranean well

本发明提供一种用于其中存在硫化氢的井中的水泥，其包含聚合物颗粒。在水泥-基体失效、或者水泥/套管界面之间或水泥/井壁界面之间结合失效的情况下，所述聚合物颗粒在与硫化氢接触时发生膨胀。所述膨胀密封水泥基体中的空隙，或所述膨胀沿着结合界面，从而恢复层位隔离。

Solidification and hardening accelerator for hydraulic binders

본 발명은 성분 a: 염기성 알루미늄 염 및/또는 수산화알루미늄, 성분 b: 황산알루미늄 및/또는 황산, 성분 c: 유기 카르복실산 또는 두개 이상의 유기 카르복실산의 혼합물, 성분 d: 유기 카르복실산의 알루미늄 염 및 성분 e: 유기 및/또는 무기 황산염 및/또는 황산수소염 및/또는 탄산염 및/또는 탄산수소염 및/또는 알칼리 토금속 산화물 및/또는 알칼리 토금속 수산화물을 150℃ 이하의 온도에서 수중에서 반응시켜 용액을 생성시키되, 1. 모든 성분 또는 선택된 성분이 서로 반응하여 최종 생성물중 알루미늄 대 황산염의 몰비가 0.83 내지 13.3이고, 알루미늄 대 유기 카르복실산의 몰비가 0.67 대 33.3이 되게 하거나, 2-1. 성분 e 이외의 모든 성분 또는 성분 e 이외에서 선택된 성분이 서로 반응하여 최종 생성물중 알루미늄 대 황산염의 몰비가 0.83 내지 13.3이고, 알루미늄 대 유기 카르복실산의 몰비가 0.67 대 33.3이 되게 하고, 2-2. 이후 성분 e를 2-1로부터의 반응 생성물에 용해시키는 공정에 의해 수득될 수 있는, 수경 결합제, 모르타르 및 이들로부터 생성된 콘크리트에 사용하기 위한 신규의 고화 및 경화 촉진제에 관한 것이다. 본 발명의 화합물은 다른 화합물과 혼합하여 사용될 수 있다. The present invention relates to components a: basic aluminum salts and / or aluminum hydroxide, component b: aluminum sulfate and / or sulfuric acid, component c: organic carboxylic acid or a mixture of two or more organic carboxylic acids, component d: organic carboxylic acid Aluminum salts and components e: solutions of organic and / or inorganic sulfates and / or hydrogen sulfates and / or carbonates and / or hydrogencarbonates and / or alkaline earth metal oxides and / or alkaline earth metal hydroxides in water at temperatures of up to 150 ° C. Wherein all components or selected components react with each other such that the molar ratio of aluminum to sulfate in the final product is between 0.83 and 13.3 and the molar ratio of aluminum to organic carboxylic acid is between 0.67 to 33.3, or 2-1. All components other than component e or selected components other than component e react with each other such that the molar ratio of aluminum to sulfate in the final product is between 0.83 and 13.3, and the molar ratio of aluminum to organic carboxylic acid is between 0.67 to 33.3, 2-2 . Novel solidification and cure accelerators for use in hydraulic binders, mortars and concrete produced therefrom, which can then be obtained by the process of dissolving component e in the reaction product from 2-1. The compounds of the present invention can ...

Additive for hydraulically setting compounds

The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one water-soluble salt of a polyvalent metal cation, at least one compound capable of releasing an anion which forms a sparingly soluble salt with the polyvalent metal cation, and at least one polymeric dispersant which comprises anionic and/or anionogenic groups and polyether side chains.

METHODS FOR CONSERVATION OF LAYER DIVISIONS IN THE UNDERGROUND WELL

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК E21B 33/13 C09K 8/467 C04B 24/24 C04B 28/02 (11) (13) 2015 155 288 A (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015155288, 22.05.2014 (71) Заявитель(и): ШЛЮМБЕРГЕР ТЕКНОЛОДЖИ Б.В. (NL) Приоритет(ы): (30) Конвенционный приоритет: 24.05.2013 EP 13305674.7 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 24.12.2015 R U (43) Дата публикации заявки: 30.06.2017 Бюл. № 19 (72) Автор(ы): БЮЛЬТ-ЛУАЕ Элен (FR), РЕНЬО ДЕ ЛЯ МОТ Лоик (FR) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2014/187566 (27.11.2014) A Адрес для переписки: 129090, Москва, ул. Б.Спасская, 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" R U (57) Формула изобретения 1. Способ сохранения разобщения пластов в подземной скважине, имеющей ствол в котором присутствует сероводород, включающий: (i) закачивание цементного раствора, содержащего материал, который набухает при приведении в контакт с сероводородом, в указанный ствол скважины; (ii) обеспечение возможности схватывания и затвердевания цементного раствора; (iii) в случае разрушения цементной матрицы или связывания - воздействие на схватившийся цемент флюидов скважины, которые содержат сероводород; и (iv) самопроизвольное набухание указанного материала, восстанавливая тем самым разобщение пластов. 2. Способ по п. 1, в котором указанный материал содержит природный каучук, нитрильный каучук, бутадиен-стирольный каучук, полимеры или сополимеры, содержащие этилен, пропилен или этилен и пропилен, бутил(изобутен-изопреновый) каучук, гидрированный бутадиен-нитрильный каучук, акрилонитрил-бутадиеновый сополимер или их комбинации. 3. Способ по п. 1 или 2, в котором концентрация указанного материала в цементном растворе составляет от около 5 процентов до около 50 процентов в расчете на объем твердой смеси. 4. Способ по любому из пп. 1-3, в котором средний размер частиц указанного материала составляет от ...

Пеногасящие композиции

Изобретение относится к пеногасящей композиции, а также к цементной композиции, содержащей ее, способу снижения захвата воздуха в цементной композиции и цементированию подземной формации. Пеногасящая композиция содержит сложный эфир органических кислоты и блоксополимера этиленоксида и пропиленоксида и один или более сложных эфиров органических кислот с полимерами, выбранных из сложного эфира органической кислоты и этиленоксидного полимера приведенной формулы, сложного эфира органической кислоты и пропиленоксидного полимера приведенной другой формулы и их смеси. Цементная композиция включает гидравлический цемент, воду и пеногасящую композицию. Способ снижения захвата воздуха в цементной композиции заключается в добавлении пеногасящей композиции в цементную композицию. Цементирование подземной формации включает введение в подземную формацию указанной цементной композиции, включающей гидравлический цемент, воду и пеногасящую композицию и последующее схватывние цемента. Изобретение обеспечивает гидравлическую изоляцию между обсадной трубой и цементом и между цементом и формацией, которая одновременно предотвращает образование каналов флюида в цементной оболочке, обеспечивает эффективный контроль пенообразования. 4 н. и 14 з.п. ф-лы, 4 ил., 5 табл., 6 пр. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) (21)(22) Заявка: (11) (13) 2 611 504 C2 (51) МПК C08L 31/08 (2006.01) C08L 33/06 (2006.01) C04B 28/02 (2006.01) C04B 24/32 (2006.01) C04B 40/00 (2006.01) C04B 103/50 (2006.01) B01D 19/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА RU ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2014116102, 28.09.2012 (24) Дата начала отсчета срока действия патента: 28.09.2012 Дата регистрации: (72) Автор(ы): МАХМУДКХАНИ Амир Х. (US), ЛУЧАНА Бава (US), УИЛСОН Роберт Е. (US) Приоритет(ы): (30) Конвенционный приоритет: (56) Список документов, цитированных в отчете о поиске: US2011226164 A1 22.09.2011. 30.09.2011 US 61/541,790 (45) Опубликовано: 27.02.2017 Бюл. № 6 US2007012222 A1 18. ...

Composition for production of heat-insulating material

FIELD: manufacture of building materials. SUBSTANCE: composition for production of heat-insulating material contains, mas.%: silicic component (tripolite or diatomite, or opoka) 32.0-48.0; sodium hydroxide 13.0-21.0; zinc-containing additive (zinc oxide, zinc sulfate or zinc chloride, in terms of zinc atoms) 1.0-2.5; the balance, water. In this case, relation between mass of sodium hydroxide and mass of silicic component equals 0.4-0.5. Heat insulating material produced from the above specified composition is characterized by time of boiling to failure (water resistance) of 8.8-14.1 h; mass loss in heating up to 800 C 14.2-14.9%; compression strength of 0.62-1.01 MPa; variation factors inside series: compression strength 9.4-10.1%; bending strength 13.4-14.2; water resistance 15.9-18.1 h. EFFECT: higher efficiency. 3 tbl 7з36$%50с ПЧ Го (19) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ ВИ” 2 053 984 ' (51) МПК 04 В 28:26, 18:26, 111:20, 111:27 13) Сл С 04 В 38/02//С 04 В 38/02, С 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 93018227/33, 23.11.1994 (46) Дата публикации: 10.02.1996 (56) Ссылки: Авторское свидетельство СССР М 1691347, кл. С 04В 38/88, 1991. 2. Глуховский В.Д. Грунтосиликаты, Гос. издательство литературы по строительству и архитектуры СССР, Киев: 1959, с.80, 84, 62-64, 110. (71) Заявитель: Вараксова Нина Володаровна, Войтович Владимир Антонович, Гугышварц Александр Николаевич, Иванов Борис Анатольевич, Леменков Василий Иванович (72) Изобретатель: Вараксова Нина Володаровна, Войтович Владимир Антонович, Гутышварц Александр Николаевич, Иванов Борис Анатольевич, Леменков Василий Иванович, Пальгуев Николай Анатольевич, Яворский Андрей Константинович (73) Патентообладатель: Вараксова Нина Володаровна, Войтович Владимир Антонович, Гутышварц Александр Николаевич, Иванов Борис Анатольевич, Леменков Василий Иванович (71) Заявитель (прод.): Пальгуев Николай Анатольевич, Яворский Андрей Константинович (73) Патентообладатель ( ...

Plugging-back mud

Использование: крепление нефт ных и газовых скважин. Сущность: тампонажный состав содержит, мае. %: тампонажный цеолит - 1 1000, воду - 440 и соль щелочного или щелочноземельного металла или аммони  продукта сульфировани  и окислени , полученного при взаимодействии трехокиси серы с коксовым дегтем или мазутом из парового крекинга при мол рном соотношении первого к последнему от 0,66:1 до 2:1. 2 табл.

Foam former for pore generation in concrete mix

FIELD: chemistry; construction. SUBSTANCE: foam former for pore generation in concrete mixes includes, wt %: alkylethoxysulfates (in equivalent per 100% of basic substance) 7-28; organic solvent - one or several substances selected out of a group of n-butyl alcohol, isobutyl alcohol, monobutyl ether of ethyleneglycol, monobutyl ether of diethyleneglycol, monobutyl ethers of propyleneglycol, industrial products of complex chemical composition, consisting majorly of substances listed above, e.g. distillation residues of butyl alcohol production or by-product of butylcellosolve production 0-15; polyvalent metal salt - water-soluble salt of aluminium, iron, manganese, chrome or calcium 0.1-15; the rest is water. Sodium, ammonium, monoethylamine or triethanolamine salts of sulfated oxyethylated primary fatty alcohols of C 6 -C 10 , C 10 -C 12 , C 12 -C 14 fractions with ethoxylation degree of 2 or 3 or mixes of the said salts are used as alkylethoxusulfates. EFFECT: high density and durability of foam concrete. 2 cl, 7 tbl, 34 ex ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2 335 475 (13) C1 (51) ÌÏÊ C04B 24/02 (2006.01) C04B 33/10 (2006.01) C04B 103/42 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2007109581/03, 15.03.2007 (72) Àâòîð(û): Èâàíîâ Èãîðü Àíàòîëüåâè÷ (RU), Æìûõîâ Âëàäèìèð Ìèõàéëîâè÷ (RU) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 15.03.2007 (73) Ïàòåíòîîáëàäàòåëü(è): Èâàíîâ Èãîðü Àíàòîëüåâè÷ (RU) (45) Îïóáëèêîâàíî: 10.10.2008 Áþë. ¹ 28 R U Àäðåñ äë ïåðåïèñêè: 305000, ã.Êóðñê, óë. Âàòóòèíà, 20, êâ.52, È.À.Èâàíîâó 2 3 3 5 4 7 5 äèýòèëåíãëèêîë , ìîíîáóòèëîâûå ýôèðû ïðîïèëåíãëèêîë , òåõíè÷åñêèå ïðîäóêòû ñëîæíîãî õèìè÷åñêîãî ñîñòàâà, ïðåèìóùåñòâåííî ñîñòî ùèå èç ïåðå÷èñëåííûõ âûøå âåùåñòâ, íàïðèìåð, êóáîâûå îñòàòêè ïðîèçâîäñòâà áóòèëîâûõ ñïèðòîâ èëè ïîáî÷íûé ïðîäóêò ïðîèçâîäñòâà áóòèëöåëëîçîëüâà 0-15; ñîëü ïîëèâàëåíòíîãî ìåòàëëà - âîäîðàñòâîðèìà ñîëü àëþìèíè , æåëåçà, ...

Coloring solution for dental zirconia ceramics and method for using the same

A coloring solution for dental zirconia ceramics and a method for using the same are provided. The coloring solution consists of coloring agents, a solvent, and an additive. The coloring agents are a combination of two or more rare earth metal compounds, wherein the rare earth metal compounds having rare earth metal ions selected from the group consisting of praseodymium (Pr) ions, erbium (Er) ions, cerium (Ce) ions, and neodymium (Nd) ions. The concentration of the rare earth metal ions in the solution is 0.05˜3 mol/liter solvent. The molar ratio of Pr ions:Er ions:Ce ions:Nd ions in the solution is 1:(10˜50):(0˜20):(0˜30).

Agent for speeding up the setting and hardening rate of hydraulic bonders

The invention concerns novel liquid solidifying and hardening accelerators obtained by a process in which the following components: component a: basic aluminium salts and/or aluminium hydroxide; component b: aluminium sulphate and/or sulphuric acid; component c: organic carboxylic acids or mixtures of at least two of the organic carboxylic acids; component d: aluminium salts of organic carboxylic acids; component e: organic and/or inorganic sulphates and/or hydrogen sulphates and/or carbonates and/or hydrogen carbonates and/or alkaline earth oxides and/or alkaline earth hydroxides, are reacted in water at temperatures of up to 150 DEG C such that a solution is obtained, wherein: 1. all the components or a selection of the components react with one another such that the molar ratios of aluminium to sulphate in the end product are between 0.83 and 13.3 and the molar ratios of the aluminium to organic carboxylic acid are between 0.67 and 33.3; or 2. all the components apart from component e or a selection of the components apart from component e react with one another such that the molar ratios of aluminium to sulphate in the end product are between 0.83 and 13.3 and the molar ratios of aluminium to organic carboxylic acid in the end product are between 0.67 and 33.3; or 3. component e is subsequently dissolved in the reaction product according to point 2. The compounds can be used in combination with other compounds.

Lightweight structural concrete, useful as building material and cured concrete object and for producing e.g. cast-in-place structure and prefabricated structure, comprises hydraulic binder, effective water, superplasticizer and aggregates

Lightweight structural concrete comprises at least a hydraulic binder, effective water, a superplasticizer, and aggregates. Lightweight structural concrete comprises at least a hydraulic binder, effective water, a superplasticizer, and aggregates, where the concrete: has a density in the fresh state of 1.40 to a value D m a xcalculated from the formula (D m a x= 1.58+(ax MA)) in which a is a coefficient equal to 1, preferably 0.8 and MA is the percentage by weight of amorphous matter contained in 1 m 3>of fresh concrete; has a maximum density (D m a x) in the fresh state of = 1.85, preferably = 1.7; has an E e f f/L ratio of 0.19-0.46, where E e f fis the effective amount of water in kilograms per cubic meter of fresh concrete and L is the amount of cement and additions in kilograms per cubic meter of fresh concrete; comprises water (100-230 l/m 3>), Portland clinker (>= 150 kg/m 3>) and a mixture of Portland clinker, optional additions, optional silica fumes, optional calcined schists and optional calcined clays (>= 300 kg/m 3>); and has a slurry volume of >= 300 l/m 3>of the fresh concrete. An independent claim is included for a process for the preparation of the lightweight structural concrete comprising mixing of at least hydraulic binder, effective water, superplasticizer and aggregates.

Cementing casing strings in deep water offshore wells

The present invention provides improved compositions and methods for cementing casing strings in deep water offshore formations penetrated by well bores. The cement composition basically comprises hydraulic cement, water, an environmentally degradable water reducing and dispersing additive, an environmentally degradable set retarding additive and an environmentally degradable compressive strength and set accelerating additive.

CEMENT SPRAYING ADDITIVE

L'invention concerne un procédé de revêtement d'un substrat par pulvérisation avec une composition à base de ciment, comprenant l'addition à la gâchée initiale à base de ciment d'un composant choisi parmi un produit de condensation du bêta-naphtalènesulfonate et du formaldéhyde et un oxyde de polyalkylène hydrosoluble d'un poids moléculaire compris entre 100 000 et 8 000 000, l'autre composant étant ajouté au niveau de la buse de pulvérisation, le procédé comprenant également l'addition au niveau de la buse (de préférence sous forme d'un additif unique avec l'autre produit ajouté au niveau de la buse) d'un accélérateur choisi parmi le sulfate d'aluminium, l'hydroxyde d'aluminium et l'hydroxysulfate d'aluminium. Selon un aspect préféré, le produit ajouté au niveau de la buse contient également un superplastifiant. The invention relates to a method of coating a substrate by spraying with a cement-based composition, comprising the addition to the initial cement-based mix of a component chosen from a condensation product of beta-naphthalenesulfonate and of formaldehyde and a water-soluble polyalkylene oxide with a molecular weight of between 100,000 and 8,000,000, the other component being added at the spray nozzle, the process also comprising addition at the nozzle (preferably in the form of a single additive with the other product added at the level of the nozzle) of an accelerator chosen from aluminum sulphate, aluminum hydroxide and aluminum hydroxysulphate. According to a preferred aspect, the product added at the level of the nozzle also contains a superplasticizer.

Patent FR2540097B1

CEMENT LAYING COMPOSITIONS FOR PETROLEUM WELL CEMENT, FOR CONTROLLING FREE WATER, AND CORRESPONDING CEMENT METHOD

L'invention concerne un additif permettant de supprimer l'eau libre même dans les conditions de "surdispersion" du ciment, lors de la cimentation d'un puits. Cet additif est choisi parmi certains sels solubles de métaux tels que Mg, Ni, etc. Cet additif ne modifie ni les autres propriétés du laitier (notamment pas le temps de prise), ni l'action des autres additifs (notamment des retardateurs). (CF DESSIN DANS BOPI) The invention relates to an additive for removing free water even under the conditions of "overdispersion" of the cement, during the cementing of a well. This additive is chosen from certain soluble salts of metals such as Mg, Ni, etc. This additive does not modify either the other properties of the slag (in particular not the setting time), or the action of the other additives (in particular retarders). (CF DRAWING IN BOPI)

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

A method of conversion of a water-based mud to a gel-based LCM quickly to control lost circulation in a lost circulation zone in a wellbore during continuous drilling with a drilling mud, the drilling mud comprises a volcanic ash, water, a de-foamer, a pH buffer, and a polymer. The method comprises the steps of entering the lost circulation zone, determining a lost circulation volumetric flow rate, metering a first amount of a binder into the drilling mud to create a binder containing mud, pumping the binder containing drilling mud into the wellbore, and suspending metering of the first amount of the binder to the drilling mud after a pre-defined regulating period of time effective to permit the binder containing drilling mud to create a gel-based LCM operable to alter the lost circulation zone.

APPARATUS FOR MONITORING AN AREA OF AIRCRAFT, AND APPLYING A DYNAMOMETRIC SPINDLE

Environment-friendly red clay mortar composition and constructing method of packing materials by using same

PURPOSE: An environment-friendly yellow soil mortar composition, and a construction method of a pavement material using thereof are provided to secure the harmlessness to a human body by using yellow soil, sand, and pozzolan. CONSTITUTION: An environment-friendly yellow soil mortar composition contains 35~50 parts of yellow soil powder by weight, 40~50 parts of sand by weight, 10~20 parts of pozzolan powder by weight, 20~35 parts of expansion admixture by weight for preventing the cracking, 10~20 parts of solidifying agent by weight formed with white Portland, 5~10 parts of anhydrous gypsum powder by weight, 1~5 parts of citric acid powder by weight, 1~2 parts of vinyl acetate copolymeric resin by weight, 2~5 parts of nature cellulose fiber by weight, and 1~2 parts of zinc stearate by weight.

Solidifying and hardening accelerator for hydraulic binders

The invention concerns novel liquid solidifying and hardening accelerators obtained by a process in which the following components: component a: basic aluminium salts and/or aluminium hydroxide; component b: aluminium sulphate and/or sulphuric acid; component c: organic carboxylic acids or mixtures of at least two of the organic carboxylic acids; component d: aluminium salts of organic carboxylic acids; component e: organic and/or inorganic sulphates and/or hydrogen sulphates and/or carbonates and/or hydrogen carbonates and/or alkaline earth oxides and/or alkaline earth hydroxides, are reacted in water at temperatures of up to 150 ~C such that a solution is obtained, wherein: 1. all the components or a selection of the components react with one another such that the molar ratios of aluminium to sulphate in the end product are between 0.83 and 13.3 and the molar ratios of the aluminium to organic carboxylic acid are between 0.67 and 33.3; or 2. all the components apart from component e or a selection of the components apart from component e react with one another such that the molar ratios of aluminium to sulphate in the end product are between 0.83 and 13.3 and the molar ratios of aluminium to organic carboxylic acid in the end product are between 0.67 and 33.3; or 3. component e is subsequently dissolved in the reaction product according to point 2. The compounds can be used in combination with other compounds.

ULTRA HIGH PERFORMANCE NON-AUTOPLACING CONCRETE

La présente invention se rapporte à un liant hydraulique comprenant en pourcentage en masse : - de 20 à 82 % d'un ciment Portland dont les particules présentent un D50 compris de 2 µm à 11 µm ; - de 15 à 56 % d'une addition minérale A1 non pouzzolanique, dont les particules présentent un D50 compris de 1 à 150 µm ; - au moins 4 % d'addition minérale A2 pouzzolanique, dont les particules présentent un D50 compris de 1 à 150 µm ; la somme de ces pourcentages étant comprise de 90 à 100%. The present invention relates to a hydraulic binder comprising in percentage by mass: from 20 to 82% of a Portland cement whose particles have a D50 of 2 μm to 11 μm; from 15 to 56% of a non-pozzolanic inorganic addition A1, the particles of which have a D50 of from 1 to 150 μm; at least 4% pozzolanic mineral A2, the particles of which have a D50 of from 1 to 150 μm; the sum of these percentages being from 90 to 100%.

Long-term high-temperature-resistant toughened cementing sand-added cement combined material and preparation method thereof

本发明属于固井水泥制备技术领域，公开了一种长期耐高温、增韧固井加砂水泥组合体材料及制备方法，固体组分包括按照重量分数由水泥、氧化铝、超细高纯硅砂、悬浮剂和增韧材料；增韧材料包含胶乳纤维增韧剂及纳米石墨烯片。液体组分按照重量分数由水、纳米氧化铁及油井水泥外加剂组成。本发明将氧化铝、硅砂、增韧材料和纳米氧化铁胶体溶液按照一定比例复配，辅以特定比例的液体组分，得到可以应用于超高温环境的新型耐高温固井水泥体系，可以解决超高温环境固井水泥石高温环境下长期强度失效的问题。本发明配比的水泥浆体在200℃，150MPa高温高压环境下养护一年后抗压强度最高可达31MPa，气测渗透率控制在0.02mD以下。

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

A method of conversion of a water-based mud to a gel-based LCM quickly to control lost circulation in a lost circulation zone in a wellbore during continuous drilling with a drilling mud, the drilling mud comprises a volcanic ash, water, a de-foamer, a pH buffer, and a polymer. The method comprises the steps of entering the lost circulation zone, determining a lost circulation volumetric flow rate, metering a first amount of a binder into the drilling mud to create a binder containing mud, pumping the binder containing drilling mud into the wellbore, and suspending metering of the first amount of the binder to the drilling mud after a pre-defined regulating period of time effective to permit the binder containing drilling mud to create a gel-based LCM operable to alter the lost circulation zone.

Cement spraying admixture

APPARATUS FOR MONITORING A PLANE FLOOR USING A FORCE MEASURING TORQUE

Compositions and methods of deposition of thick environmental barrier coatings on CMC blade tips

Coating systems are provided for use on a CMC substrate, that can include: a bond coat on a surface of the CMC substrate; a first rare earth silicate coating on the bond coat; a sacrificial coating of a reinforced rare earth silicate matrix on the at least one rare earth silicate layer; a second rare earth silicate coating on the sacrificial coating; and an outer layer on the second rare earth silicate coating. The first rare earth silicate coating comprises at least one rare earth silicate layer, and the second rare earth silicate coating comprises at least one rare earth silicate layer. The sacrificial coating has a thickness of about 4 mils to about 40 mils. Methods are also provided for tape deposition of a sacrificial coating on a CMC substrate.

Defoaming compositions

Strengthening and curing accelerator for hydraulic binders

Cement compositions comprising stevia retarders

Methods and compositions that include a method of cementing comprising providing a cement composition com-prising water, a hydraulic cement, and an additive comprising at least one additive selected from the group consisting of a stevia retarder and inulin; placing the cement composition in a subterranean formation; and permitting the cement composition to set in the formation.

Toxic waste fixant and method for using same

A toxic waste fixant for detoxification of a contaminated soil, sediment, and or sludge material includes a mixture of : ferric and/or ferrous sulfate, manganese sulfate, and/or aluminium sulfate and/or Portland cement, and/or gypsum (calcium sulfate) , and/or blast furnace slag, and/or lime (calcium oxide) . Fixants made from mixtures of the above compounds are designed to prevent leaching in excess of regulatory standards for specified inorganic and organic toxic compounds and elements. These fixants will also reduce the concentration of most organic toxic compounds through various chemical reactions and bonding as determined by solvent extractions and analysis by GC/MS. The ferric and/or ferrous sulfate may be partially or completely replaced by cobalt sulfate, whereas instead of the respective sulfates the corresponding chlorides may be used as well.

Toxic waste fixant and method for using same

Defoaming compositions comprising organic acid ester polymers

Cement compositions and processes for reducing air entrainment in a cement composition generally include mixing a hydraulic cement with a defoamer compositions including one or more organic acid ester polymers selected from an organic acid ester of polyethylene oxide polymer, an organic acid ester of polypropylene oxide polymer, and a mixture thereof. The compositions may further comprise an organic acid ester of an ethylene oxide-propylene oxide block copolymer.

Water-based fluid loss additive containing an amphiphilic dispersant for use in a well

A well treatment composition comprises: an aqueous liquid; a fluid loss additive, wherein the fluid loss additive comprises a high molecular weight, water-swellable polymer; and an amphiphilic dispersant, wherein the well treatment composition has an activity of at least 10%. A method of cementing in a subterranean formation comprises: introducing a cement composition into the subterranean formation, the cement composition comprising: (i) cement; (ii) water; and (iii) the well treatment composition; and allowing the cement composition to set.

Carbonation-suppressant for concrete or mortar

(57)【要約】 【目的】性質、品質ともに優れかつ作業性にも優れた安 全な、コンクリートまたはモルタル用炭酸化抑制剤を提 供する。 【構成】塩基度１０〜７５％の塩基性有機酸アルミニウ ム塩であって、溶液として使用する場合０．５〜２０重 量％溶液にしてコンクリートまたはモルタルに、１０秒 〜３０分間浸漬させるかあるいはスプレーで吹き付ける 等の方法により、優れた炭酸化抑制効果を発現する。本 発明の炭酸化抑制剤はアルミニウム塩であるから作業上 の安全性にも優れている。また、塩基性有機酸アルミニ ウム塩の有機酸が乳酸の場合、あるいは乳酸と乳酸以外 の有機酸からなり、乳酸以外の有機酸／乳酸のモル比が ０．１〜２．４の範囲にある場合はコンクリートまたは モルタルに対し特に優れた炭酸化抑制効果を現す。ま た、本発明の炭酸化抑制剤は、安価で容易に製造するこ とのできる極めて優れたものである。

Defoaming Methods and Compositions

Embodiments of the present invention are directed to defoaming methods and compositions for well treatment fluids. An exemplary embodiment of the present invention provides a method of defoaming a well treatment fluid, comprising combining a defoaming composition with the well treatment fluid, wherein the defoaming composition comprises an amide of a carboxylic acid, a polypropylene glycol, an ethoxylated and propoxylated fatty alcohol, an ethoxylated alcohol comprising from 3 carbons to 6 carbons, and a hydrophobic silica in an amount of up to about 3% by weight of the defoaming composition.

Method of producing sulphur-bitumen binder

FIELD: construction. SUBSTANCE: invention relates to production of composite compositions for producing road construction materials and specifically to a method of producing sulphur-bitumen binder. Method of producing sulphur-bitumen binder by combination of modified sulphur and bitumen as bitumen is residual or oxidised bitumen, modification of sulphur is carried out by heating a mixture of molten sulphur with sulphuric acid with ratio of, respectively, wt%: (95-98):(2-5) at a temperature of 180-200 °C for 10-15 minutes, then modified sulphur is combined with residual or oxidised bitumen, heated to temperature of 180-200 °C and mixed with a residue of secondary process of processing oil - catalytic cracking or viscosity breaking, containing olefins, with subsequent stirring at a temperature of 180-200 °C for 60 minutes at a ratio of modified sulphur: bitumen: residue of secondary processes, wt%: (8-10):(70-85):(5-20). Invention is developed in subclaim. EFFECT: technical result is recycling hard to produce products, produced when cleaning gases, and residues of secondary processes of processing oil-catalytic cracking and viscosity breaking. 2 cl, 5 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 585 618 C1 (51) МПК C04B 26/26 (2006.01) C08L 95/00 (2006.01) C04B 111/20 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2015117667/03, 12.05.2015 (24) Дата начала отсчета срока действия патента: 12.05.2015 (45) Опубликовано: 27.05.2016 Бюл. № 15 (73) Патентообладатель(и): Открытое акционерное общество "Всероссийский научно-исследовательский институт по переработке нефти" (ОАО "ВНИИ НП") (RU) 2 5 8 5 6 1 8 R U (54) СПОСОБ ПОЛУЧЕНИЯ СЕРОБИТУМНОГО ВЯЖУЩЕГО (57) Реферат: Изобретение относится к области битумом, нагретым до температуры 180-200°С и производства композиционных составов для перемешанным с остатком вторичного процесса приготовления дорожно-строительных переработки нефти - каталитического крекинга ...

Cement compositions having fast setting times and high compressive strengths

A method of treating a subterranean formation comprising: introducing a first cement composition into the subterranean formation, wherein the first cement composition comprises: (A) a first aluminate cement; and (B) a base fluid; simultaneously introducing a second cement composition into the subterranean formation, wherein the second cement composition comprises: (A) a second cement consisting of cement or a pozzolan; and (B) a base fluid, wherein at least a portion of the first and second cement compositions mix together after introduction into the subterranean formation to form a mixed cement composition, and wherein at least some of the first and second cement compositions or at least some of the mixed cement composition enters into a highly-permeable area located within the subterranean formation; and allowing the mixed cement composition to set. The base fluid can be an aqueous liquid or a hydrocarbon liquid.

Cement slurry compositions for cementing oil wells, adapted to control free water and corresponding cementing process

ABSTRACT A cement slurry composition suitable for cementing oil wells and adapted to control free water which often accumulates at the top of a cement column when setting in a well. The composition contains a cement, water, a dispersant and a free water controlling agent consisting of a small amount of a soluble salt of a magnesium, tin, lead, bismuth or a transition metal, or a combination of the foregoing. The presence of a free water control agent facilitates on-site attainment of a suitable amount of dispersant in the slurry which keeps both the yield value of the slurry and the free water at low levels.