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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 8. Отображено 8.
23-05-2023 дата публикации

Preparation method of long-chain polymer glue and application of long-chain polymer glue in oil and gas fields

Номер: CN116144293A
Автор: WANG JUAN, NAN BEIBEI, ZHANG YONGQIANG, GAO ZHILIANG, LIU ZHILING, TAKUKAWA, FANG XIAOJUN, LI HUI, LI SHIQIANG, FAN HAOKUN
Принадлежит:

The invention provides a preparation method of long-chain polymer glue, which specifically comprises the following steps: adding polyacrylic acid and catechol into deionized water, then adding a boric acid solution, regulating the pH value to 9.0 by using a NaOH solution under the protection of nitrogen, and mechanically stirring; meanwhile, the invention also provides an application of the long-chain polymer glue in oil and gas fields, and the application is to improve the threaded connection performance of oil pipes by using the long-chain polymer glue. The long-chain polymer glue provided by the invention is applied to oil and gas fields, the threaded connection performance of oil pipes can be improved, and the long-chain polymer glue and a coating technology are utilized, so that threads of petroleum pipes have relatively good corrosion resistance, sealing performance and thread gluing resistance.

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Номер записи: 1
11-04-2023 дата публикации

Fly ash nano magnetic bead flocculant and preparation method thereof

Номер: CN115947433A
Автор: WANG CHENGDA, HE JING, ZHANG HENG, YANG YONG, WANG KE, MA TIANQI, CHU KAIJIAN, WANG FEIFEI, QIN NIUNIU, FENG ZHONGPING, LIU XIAO, FAN HAOKUN
Принадлежит:

The invention discloses a fly ash nano magnetic bead flocculating agent, which is prepared from the following raw materials in parts by weight: 1 to 30 parts of fly ash, 0.5 to 1 part of nano silicon dioxide, 2 to 5 parts of dispersing agents, 1 to 2.5 parts of tetramethyl propane diamine, 0.1 to 0.5 part of polyacrylamide and 1 to 5 parts of surfactants. Meanwhile, the invention further discloses a preparation method of the flocculating agent. The flocculant is high in physical adsorption performance, has a better chelation effect on metal ions, is not easy to deposit in water, can fully react with sewage, and has better adsorption and flocculation effects on suspended solids in sewage sludge.

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Номер записи: 2
11-03-2015 дата публикации

High base and high salinity resistance trace element tracer used for oil field, preparation method and application method thereof

Номер: CN104402772A
Автор: FAN HAOKUN, WANG CHENGDA, CHEN GANG, WANG JUAN, ZHOU PU, HE JING, ZHENG BING, WU CHUNYAN, MAO ZHONGYUAN, GU JINGHUA, LI SHIQIANG
Принадлежит:

The invention relates to a high base and high salinity resistance trace element tracer used for oil field, which relates to an organic complex containing rare earth element. A structural formula of the high base and high salinity resistance trace element tracer is shown as the follows. M is selected from one or more of 17 kinds of rare earth elements. The high base and high salinity resistance trace element tracer belongs to microscale tracer, usage amount is little, the tracer has little influence on environment, can be injected into ground layer from a water flooding station by following with injection water, so that cost is saved, the practical operation is simple, and the tracer can be used by direct addition.

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Номер записи: 3
17-02-2016 дата публикации

Full -automatic bacterium disappearance experiment appearance

Номер: CN0205035356U
Автор: WANG JUAN, WANG CHENGDA, FAN HAOKUN, WU CHUNYAN, ZHANG SHUXIA, JIA PENGTAO, ZHANG HONGQIANG, GU JINGHUA, WANG NING
Принадлежит:

The utility model relates to a water quality monitoring field, concretely relates to full -automatic bacterium disappearance experiment appearance. A full -automatic bacterium disappearance experiment appearance, includes that hollow box, bottom half from left to right are equipped with the equidistant syringe mounting groove of homotaxial, test bottle mounting groove and useless syringe mounting groove in proper order, it is listed as the water sample mounting groove to be equipped with one between syringe mounting groove and the test bottle mounting groove, the top is equipped with two orthogonal tracks in the box, installs the arm on the track, installs on the arm and slides the pole, slides the pole and links to each other with step motor, slides and installs the manipulator on the pole. The utility model discloses an arm and manipulator are mutually supported, and the arm drives the manipulator and picks from the syringe tray and move the water sample tray behind the syringe that is ...

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Номер записи: 4
09-07-2014 дата публикации

Preparation method of encapsulated solid hydrochloric acid

Номер: CN103911139A
Автор: HE JING, GAO RUIMIN, WANG CHENGDA, WU JINQIAO, CHENG YUQUN, YANG ZHIGANG, ZHAN ZHUANYING, WEN FENGGANG, ZHAO LIANG, ZHOU PU, GU JINGHUA, FAN HAOKUN, NAN BEIBEI
Принадлежит:

The invention relates to a preparation method of encapsulated solid hydrochloric acid, which is characterized by comprising the following steps: step 1) preparation of solid hydrochloric acid: a) mixing the following raw materials by mass percentage: 38-42% of hydrazine hydrate, 38-42% of hydrochloric acid and the balance of solvent; and b)drying the above mixed liquor and drying under the temperature of 35 DEG C; step 2)preparation of solid hydrochloric acid capsules: I)mixing the solid hydrochloric acid obtained in the step a) with paraffin, high-grade fatty alcohol, ethyl cellulose and the solvent according to the following mass percentage: 40-45% of solid hydrochloric acid, 5-8% of paraffin, 0.3-0.5% of high-grade fatty alcohol, 2.5% of ethyl cellulose and the balance of solvent; II)stirring the mixture by a mechanical stirrer, and fully and uniformly mixing; and encapsulating the mixture stirred by the mechanical stirrer by a microcapsule technology. The preparation method of the encapsulated ...

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Номер записи: 5
02-09-2015 дата публикации

Fracturing fluid prepared from high-salinity formation water and preparation method of fracturing fluid

Номер: CN104877658A
Автор: GU JINGHUA, WANG CHENGDA, LI SHIQIANG, CHENG YUQUN, WANG JUAN, FAN HAOKUN, HE JING, WANG NING, ZHANG JUNTAO, GAO ZHILIANG, JIA PENGTAO, ZHOU PU, MAO ZHONGYUAN, SHEN YING, ZHANG HONGQIANG, WU CHUNYAN
Принадлежит:

The invention provides a fracturing fluid prepared from high-salinity formation water and a preparation method of the fracturing fluid and belongs to the technical field of oil field chemistry. The fracturing fluid prepared from the high-salinity formation water aims at the defects of the prior art, and is composed of a base fluid and a cross-linking agent, wherein the mass fraction of the cross-linking agent is 1-5% and the balance of the base fluid; the base fluid is prepared from 0.2-0.4% of hydroxypropyl guar gum, 0.1-0.5% of demulsifying/cleanup agent, 0.01-0.5% of bactericide, 0.01-5% of protective agent, 0.01-5% of ph regulator and the balance of formation water having the salinity within the range of 10000mg/L to 100000mg/L; the protective agent is the aqueous solution of 1,2-diaminocyctohexane, and the mass ratio of solute to solvent in the protective agent is 1: 2. The fracturing fluid can be prepared by use of the formation water having the salinity within the range of 10000mg ...

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Номер записи: 6
30-06-2023 дата публикации

Non-ultralow interfacial tension oil-displacing agent for improving recovery ratio of low-permeability reservoir as well as preparation method and application of non-ultralow interfacial tension oil-displacing agent

Номер: CN116355603A
Автор: LI SHIQIANG, FAN HAOKUN, WANG CHENGDA, MAO ZHONGYUAN, GUO JINTAO, HOU BINCHI, WU CHUNYAN, SUI XIAORUI
Принадлежит:

The invention discloses a non-ultralow interfacial tension oil-displacing agent for improving the recovery ratio of a low-permeability reservoir, which is prepared from the following raw materials in percentage by weight: 30-50% of SS basic oil-displacing agent, 5-10% of fluorocarbon surfactant, 10-30% of alkyl glycoside, 2% of scale inhibitor and the balance of water, the SS basic oil displacement agent is a biological enzyme and biological surfactant compounded oil displacement agent. Meanwhile, the invention further discloses a preparation method of the oil-displacing agent and application of the oil-displacing agent in oil displacement of low-permeability reservoirs. The oil-displacing agent displaces oil by reducing the oil-water interfacial tension but not less than 10 <-2 > mN/m and combining multiple technical index combinations such as demulsification, viscosity reduction, single-phase flow and the like, so that the purposes of improving the water injection efficiency and the recovery ...

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Номер записи: 7
16-05-2023 дата публикации

Ultralow-density high-strength water control fracturing propping agent and preparation method thereof

Номер: CN116120039A
Автор: HE JING, BAI YAOWEN, WANG FENG, LU YONGHUI, ZHANG HUALIN, QIAO HONGJUN, HUANG CHENG, GAO ZHILIANG, FAN HAOKUN, ZHANG FENGSAN, ZHOU PU, GUO JINTAO
Принадлежит:

The invention discloses an ultralow-density high-strength water control fracturing propping agent which comprises the following raw materials: a main body component and an activating agent, and the mass ratio of the main body component to the activating agent is 100: (10-15); 100 parts by weight of the main component comprise the following raw materials in parts by weight: 91-95 parts of fly ash, 1-4 parts of a binder, 2-5 parts of a reinforcing agent and 0.1-0.5 part of a water reducing agent; the activating agent is a mixture of hexamethylenetetramine and bisphenol A resin. Meanwhile, the invention further discloses a preparation method of the proppant. The proppant provided by the invention has the advantages of small volume, high compressive strength and good acid dissolution resistance, and the flow resistance of oil is reduced and the flow resistance of water is improved by forming a hydrophobic and oleophilic layer with a contact angle of greater than 110 degrees, so that the yield ...

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Номер записи: 8