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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 19. Отображено 19.
16-01-2013 дата публикации

Method and system for measuring movable liquid surface of oil well

Номер: CN102877832A
Принадлежит:

The embodiment of the invention provides a method and a system for measuring a movable liquid surface of an oil well. Due to the adoption of a load sensor arranged on a well mouth beam hanger and a displacement sensor on the lower side of a walking beam of an oil pumping machine, the load and the displacement of a well oil pumping rod of the oil pumping machine can be measured, and a load and time curve and a displacement and time curve can be collected and acquired; a polish rod indicating diagram is acquired through the load and time curve and the displacement and time curve; a pump diagram is acquired according to the acquired polish rod indicating diagram; and by technical means for acquiring the depth of the movable liquid surface of the oil well through the pump diagram, the method and the system has the advantages that an effective scheme for continuously monitoring the movable liquid surface in real time at low cost is provided, a working mode that workers test the movable liquid ...

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08-01-2014 дата публикации

Low-ignition-voltage and high-power-output miniature detonator

Номер: CN103499252A
Принадлежит:

The invention discloses a low-ignition-voltage and high-power-output miniature detonator. The low-ignition-voltage and high-power-output miniature detonator mainly comprises a foot line, a ceramic electrode plug, a detonator shell, a semiconductor bridge chip, an ignition explosive, a primary explosive and a high explosive. The Cl-20 high explosive and the carboxymethyl cellulose lead azide primary explosive are sequentially pressed into the detonator shell to increase the axial output power of the miniature detonator, and a semiconductor bridge ignition component is fixed at a mouth part of the detonator shell by performing a detonator shell necking-in process and coating a sealant at the mouth part. The technical indicators of the miniature detonator disclosed by the invention are characterized in that the minimum full-ignition voltage is as low as 3.83V (10 micro F), the minimum full-ignition energy is 0.074mJ, the safe current is not less than 200mA, the size of the detonator is not ...

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28-11-2012 дата публикации

Complex microbial inoculant for restoring petroleum-contaminated soil in loess highlands and restoring method thereof

Номер: CN102794296A
Принадлежит:

The invention discloses a complex microbial inoculant for restoring petroleum-contaminated soil in loess highlands and a restoring method thereof. The microbial body of the complex microbial inoculant comprises Pseudomonas aeruginosa, Pseudomonas fulva, Acinetobacter lwoffii, Nocardioides luteus and Streptomyces flavoviridis. The invention provides a method for restoring petroleum-contaminated soil in loess highlands by using the complex microbial inoculant, which comprises the following steps of (1) carrying out pretreatment on contaminated soil; (2) degrading the contaminated soil; (3) covering a plastic film on the soil; and (4) adding water, urea, diammonium phosphate and the complex microbial inoculant. By using the method disclosed by the invention, the process is simple, the cost is low, and the degradation effect is significantly increased.

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14-08-2013 дата публикации

Slow blocking remover for deep part of oil and water well

Номер: CN103242814A
Принадлежит:

The invention relates to a slow blocking remover for a deep part of an oil and water well. The slow blocking remover comprises following components by weight: 1.5-2.0% of sodium dodecyl benzene sulfonate, 5.5-7.5% of ethylene diamine tetra (methylene phosphonic acid) sodium, 20.0-25.5% of diethylenetriam inepentaacetate, 15.5-17.5% of methanesulfonic acid, 0.5-1% of sodium acetate, and the balance water. The blocking remover not only can remove scaling and blocking of near-wellbore, but also can remove scaling and blocking of the deep part of stratum, and finally reaches purposes of yield increase of the oil well and injection increase of a water injection well.

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11-12-2013 дата публикации

Cylindrical permanent magnet linear motor

Номер: CN103441639A
Принадлежит:

The invention discloses a cylindrical permanent magnet linear motor which comprises a motor stator and a motor rotor. The shape of the axial cross section of the motor stator is a closed stator groove so as to achieve sealing of a cavity of the motor stator. The cylindrical permanent magnet linear motor has the advantages that the shape of the axial cross section of the linear motor stator is the closed groove, the structure is simple, and the cylindrical permanent magnet linear motor is particularly suitable for integrated machining production modes adopting the machining means like turning. Compared with a traditional linear motor with an inner protective cylinder, the closed groove-shaped linear motor stator is less in equivalent air gap, and therefore electromagnetic force generated by unit current under the same condition is larger.

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31-07-2013 дата публикации

Oil field measure waste liquid skid-mounted processing device

Номер: CN103224306A
Принадлежит:

The invention discloses an oil field measure waste liquid skid-mounted processing device, and belongs to the technical field of oil field measure waste liquid processing. A hydrocyclone separation device is connected with a microelectrolysis device, the microelectrolysis device is connected with an oxidation device, the oxidation device is connected with a separation device, the separation device is connected with a sheet frame dehydration device, a chemical drug device is fixed on the top of the oxidation device, the sheet frame dehydration device is fixed at the left end of the device, and a single-screw air compressing device is connected with the oxidation device through a jet device. The hydrocyclone separation device, the microelectrolysis device, the oxidation device, the separation device, the sheet frame dehydration device and the single-screw air compressing device are all installed on a skid-mounted device. The oil field measure waste liquid skid-mounted processing device is ...

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12-10-2011 дата публикации

Stroke frequency regulating device of oil pumping machine

Номер: CN102213084A
Принадлежит:

The invention provides a stroke frequency regulating device of an oil pumping machine. The stroke frequency regulating device comprises an indicator diagram oil gauging unit, a stroke frequency regulating single-chip microcomputer and a frequency converter, wherein the indicator diagram oil gauging unit is used for acquiring oil well data and processing the oil well data according to oil well parameters to obtain the pump efficiency and the liquid yield of an oil well; the stroke frequency regulating single-chip microcomputer is connected with the indicator diagram oil gauging unit and is used for judging to obtain the minimal working stroke frequency data of the oil pumping machine according to the pump efficiency and the liquid yield of the oil well; and the frequency converter is connected with the stroke frequency regulating single-chip microcomputer and is used for regulating the working frequency of an electric motor of the oil pumping machine according to the minimal working stroke ...

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08-01-2014 дата публикации

Low-ignition-voltage miniature detonator

Номер: CN103499254A
Принадлежит:

The patent of the invention discloses a low-ignition-voltage miniature detonator. The low-ignition-voltage miniature detonator mainly comprises a foot line, a ceramic electrode plug, a detonator shell, a semiconductor bridge chip, an ignition explosive, a primary explosive and a high explosive. The RDX high explosive and the carboxymethyl cellulose lead azide primary explosive are sequentially pressed into the detonator shell to increase the axial output power of the miniature detonator, and a semiconductor bridge ignition component is fixed at a mouth part of the detonator shell by performing a detonator shell necking-in process and coating a sealant at the mouth part. The technical indicators of the miniature detonator disclosed by the invention are characterized in that the minimum full-ignition voltage is as low as 3.83V (10 micro F), the minimum full-ignition energy is 0.074mJ, the safe current is not less than 200mA, the size of the detonator is not more than phi 2.5*4 mm, and when ...

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04-09-2013 дата публикации

Annular suspension protection liquid of annular suspension mechanical seat seal oil well and construction process thereof

Номер: CN103275685A
Принадлежит:

The invention provides annular suspension protection liquid of an annular suspension mechanical seat seal oil well, which comprises the raw materials by weight percent: 10-14% of an emulgator for a low interfacial tension surfactant, 0.1-0.5% of a foaming agent for a nonionic surfactant, 0.1-0.3% of a foam stabilizer, 25-28% of an oil phase, 0.5-1% of a corrosion inhibitor for water-based quaternary ammonium salt, and the balance of water. The annular suspension protection liquid of the annular suspension machinery seat seal oil well, disclosed by the invention, can be used for protecting an oil lantern ring being in the annular suspension state, the corrosion mitigation rate is relatively good, uplifting pressure can not be generated onto an opening of the well, the ageing of a packer can be prevented, and the cost of the annular suspension protection liquid can be reduced.

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30-10-2013 дата публикации

Preparation method for anti-corrosion composite coating of oil pipe

Номер: CN103374694A
Принадлежит:

The invention relates to a preparation method for an anti-corrosion composite coating of an oil pipe. The preparation method is characterized by comprising the following steps of: respectively spraying a 1Cr13 coating and a pure aluminum coating at the surface of the oil pipe in a supersonic speed electric arc spraying manner, wherein the thickness of the 1Cr13 coating is 150+/-50 microns, and the thickness of the pure aluminum coating is 200+/-50 microns; after spraying, carrying out pre-oxidation on the surface of the pure aluminum coating by utilizing oxyacetylene flame, so as to obtain a surface-layer aluminum oxide film, wherein the total thickness of the 1Cr13 coating and the pure aluminum coating does not exceed 400 microns. According to the preparation method, the corrosion resistance of the composite coating is further improved by utilizing a dense oxidation film formed at the surface of pure aluminum; the oil pipe processed by utilizing the method is strong in corrosion resistance ...

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31-07-2013 дата публикации

Method of forecasting suspension center loads of oil pumping unit of directional well segmentally according to pump depth

Номер: CN103226653A
Принадлежит:

The invention relates to a method of forecasting suspension center loads of an oil pumping unit of a directional well segmentally according to pump depth. The method comprises the steps of (1) selecting a calculation formula of the maximum load and the minimum load, (2) dividing the pump depth into a plurality of segments according to different combination modes of sucker rod strings at different pump depths, conducting linear regression on the actual loads of the segments and the loads calculated by the formula selected in Step (1), and (3) substituting linear regression slopes kmax of the maximum loads of the segments into the formula selected in Step (1) to obtain an optimization formula of the maximum suspension center load of the directional well, substituting linear regression slopes kmin of the minimum loads of the segments into the formula selected in Step (1) to obtain an optimization formula of the minimum suspension center load of the directional well, and calculating the maximum ...

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18-12-2013 дата публикации

Separate-layer oil extraction device capable of controlling flowing pressures of upper and lower pay zones

Номер: CN103452835A
Принадлежит:

The invention discloses a separate-layer oil extraction device capable of controlling flowing pressures of upper and lower pay zones. The separate-layer oil extraction device is designed for simplifying structures of traditional two-layer oil extraction devices, improving the adaptability of the separate-layer oil extraction devices and achieving production of upper and lower pay zones under reasonable production flowing pressures. The separate-layer oil extraction device mainly comprises a plunger barrel, a traveling valve, a fixed valve, a connecting body, a side wall controllable valve, a central controllable valve, an eccentrically arranged valve, an inner channel eccentrically arranged valve and an eccentrically arranged valve side wall controllable valve, wherein the plunger barrel is arranged in a pump barrel, the traveling valve is disposed in the plunger barrel, the fixed valve is arranged in the pump barrel, the connecting body is connected with the pump barrel, the side wall ...

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19-06-2013 дата публикации

Method for preparing base fluid of fracturing fluid by using oil field well site waste water

Номер: CN103160263A
Принадлежит:

The invention relates to a method for preparing a base fluid of a fracturing fluid by using oil field well site waste water, which comprises steps of pretreatment of oil field well site waste water and preparation of base fluid of the fracturing fluid, a flocculating agent in the pretreatment step is a mixture of poly aluminum ferric chloride and sodium carbonate according to mass ratio of 4-5:1; the preparation method of the base fluid of the fracturing fluid comprises the following steps: detecting mineralization of water after pretreatment; taking fresh water and adding guanidine glue, stirring and dissolving to prepare a guanidine glue solution, uniformly mixing the guanidine glue solution and water after pretreatment, when the water mineralization after pretreatment is 3000-5000ppm, the water volume ratio of the guanidine glue solution to water after pretreatment is 1:5-1:6; when the water mineralization after pretreatment is 5000-8000ppm, the water volume ratio of the guanidine glue ...

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20-11-2013 дата публикации

Balance adjustment device for pumping units

Номер: CN103397867A
Принадлежит:

The invention discloses a balance adjustment device for pumping units. The balance adjustment device comprises a rack, a steel channel, a balance box, a reducer, an electromagnetic brake motor, a reducer output shaft gear, a control cabinet and a beam arm. The rack is disposed on the steel channel. The balance box is disposed inside the steel channel. A body of the balance adjustment device is fixed on the beam arm. The reducer output shaft gear meshes with the rack. The balance box is connected with a control cabinet. The electromagnetic brake motor is connected with the reducer output shaft gear. The electromagnetic brake motor and the reducer output shaft gear are disposed inside the balance box. The motor and the balance box are integrated; balance torque change curves are maximally fitted with load torque curves by changing the balance force of arm of the balance box; the pumping unit is relatively balanced. The balance adjustment device is simple in structure, high in intelligence ...

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15-01-2014 дата публикации

Pumping unit automatic control method and system based on on-line dynamic liquid level monitoring

Номер: CN103510917A
Принадлежит:

The embodiment of the invention provides a pumping unit automatic control method and system based on on-line dynamic liquid level monitoring. The pumping unit automatic control method includes the steps of collecting oil well underground dynamic liquid level depth data measured according to on-line oil well dynamic liquid level and obtaining pump setting data of a pumping unit; calculating oil well submergence depth according to the oil well underground dynamic liquid level depth data and the pump setting data of the pumping unit; adjusting frequency of stroke of the pumping unit in real time according to the oil well submergence depth to achieve automatic control of the pumping unit. According to the pumping unit automatic control method and system based on on-line dynamic liquid level monitoring, the real-time and accurate measurement of oil well liquid level of a cluster well group or a single well can be achieved effectively, and the balance control for supplying and exploiting and ...

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08-01-2014 дата публикации

Micro asymmetric ceramic electrode plug

Номер: CN103499251A
Принадлежит:

The invention discloses a micro asymmetric ceramic electrode plug. Compared with a traditional symmetric electrode plug with simple structure, the micro asymmetric electrode plug comprises a ceramic base body, a ladder-shaped groove and heading leg wires; ceramic powder materials are made into a finished product of an electrode plug through processes of mould forming, sintering, heading leg wire brazing and sealing and the like; the micro asymmetric ceramic electrode plug is suitable for being filled with a thin film type energy conversion element chip with the length of not more than 0.5mm, the width of not more than 0.5mm and the height of not more than 0.5mm; the micro asymmetric ceramic electrode plug has requirements on minimization of diameter and height and maintenance of structural strength and electric insulation strength under the condition that the electrode plug has a basic function of the traditional electrode plug; a force of connection between the electrode plug and each ...

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24-10-2012 дата публикации

Multi-stage segmented release water exploration pipe column and method for casing well completion multi-stage fractured horizontal well

Номер: CN102747967A
Принадлежит:

The invention discloses a multi-stage segmented release water exploration pipe column and a water exploration method for a casing well completion multi-stage fractured horizontal well. The multi-stage segmented release water exploration pipe column comprises a multi-stage water exploration pipe column component which is arranged in a horizontal segment casing of the horizontal well and comprises a screw plug, multiple Y441 type packers and a release joint arranged sequentially from bottom to top, wherein a sealed region between every adjacent two Y441 type packers forms a connecting segment; a safety joint and a switching device are sequentially connected in each connecting segment; and a production pile column component comprises an oil well pump, a plunger of the oil well pump and an oil pumping rod, the upper part of the oil well pump is connected with an oil pipe to the well mouth of the horizontal well, the plunger of the oil well pump is connected with the oil pumping rod, and the ...

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23-10-2013 дата публикации

Digital underground layering water injection testing and adjusting process pipe column and operation method thereof

Номер: CN103362486A
Принадлежит:

The invention discloses a digital underground layering water injection testing and adjusting process pipe column and an operation method thereof. According to the purpose, the instantaneous flow rate and the accumulative total injection rate of a single reservoir stratum can be monitored and recorded in real time underground, pressure of the reservoir stratum is monitored in real time, underground well shut-in layering pressure drop is tested, and bi-directional transmission of data and orders between a down-hole and the ground is carried out in a wireless mode. The process pipe column is formed by connecting a multistage digital water distributor and an Y344 water injection packer through an oil pipe, and eliminates steps of testing and allocating steel wires of the flow rate compared with an existing water distributor and a packer used for layering water injection. Meanwhile, the instantaneous flow rate and the accumulative total injection rate of the single reservoir stratum can be monitored ...

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18-12-2013 дата публикации

Layered-extracting and mixed-discharging oil-well pump with upper and lower plungers separated

Номер: CN103452819A
Принадлежит:

The invention discloses a layered-extracting and mixed-discharging oil-well pump with upper and lower plungers separated. The layered-extracting and mixed-discharging oil-well pump is designed for the purpose of developing productivity of layered-extracting production layers to the utmost degree and improving layered-extracting effect. The oil-well pump comprises a pump barrel and a bridge pipe, an upper plunger barrel and a lower plunger barrel are arranged in the pump barrel with an inner-wall step, and a bypass waterway communicated with an oil pipe as well as a lateral overflowing passage and the like communicated with the pump barrel and the bridge pipe are arranged between the pump barrel and the bridge pipe. The upper and lower plungers of the layered-extracting and mixed-discharging oil-well pump are mutually separated, liquid inlet passages are mutually independent, and accordingly interlayer interference can be eliminated effectively, flowing pressure of the upper and lower layers ...

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