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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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Применить Всего найдено 15. Отображено 15.
09-09-2015 дата публикации

Well production completion pipe string is adopted to notes

Номер: CN0204627554U
Принадлежит:

The utility model provides a well production completion pipe string is adopted to notes. According to the utility model discloses a well production completion pipe string is adopted to notes, last downhole safety valve and the packer of being provided with of well production completion pipe string is adopted to notes, eccentric gas lift seating nipple is provided between downhole safety valve and the packer, is provided with eccentric section in the eccentric gas lift seating nipple, is provided with the inside and outside through -hole of the eccentric gas lift seating nipple of intercommunication in the eccentric section, can throw the style of dragging for gas lift valve, the interior and closed through -hole of the eccentric section of being provided. According to the utility model discloses a well production completion pipe string is adopted to notes, in eccentric gas lift seating nipple to throw the style of dragging for gas lift valve sealed when tight, can directly utilize steel ...

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09-09-2015 дата публикации

Tubular column make -up device

Номер: CN0204627472U
Принадлежит:

The utility model provides a tubular column make -up device, tubular column make -up device include first body, second body, locking portion and pin joint piece, and first body is semi - cylindrical, are connected by the first semicircle cover and second semicircle cover axial to constitute, the second body is semi - cylindrical, is connected by third semicircle cover and fourth semicircle cover axial to constitute second semicircle cover and the relative lock of fourth semicircle cover to constitute the cylinder fixed part of fixed first tubular column, first semicircle cover and the relative lock of third semicircle cover, and constitute the cylinder guide part of aiming at second tubular column axial first tubular column, the bullport of open end for being used for guiding the second tubular column to enter of guide part, the right side limit of second semicircle cover and the left side limit of fourth semicircle cover be by the pin joint of pin joint piece, and the left side limit of ...

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09-09-2015 дата публикации

An open hole packer

Номер: CN0204627523U
Принадлежит:

The application discloses an open hole packer includes: the center tube, its one end is connected with the top connection, and the other end is connected with the lower clutch, a thru hole is provided on the wall of center tube, the packing element unit, it is including connecting the first packing element and the connection of top connection the second packing element of lower clutch, the hydraulic cylinder cover, it has hydraulic cylinder first end of cover and hydraulic cylinder cover second end, first piston, its can to the top connection is removed with the compression first packing element, the sliding sleeve, it has first end of sliding sleeve and sliding sleeve second end, the retaining member, it enables the sliding sleeve only can to the top connection is removed, with sliding sleeve second end is through sitting the second piston that seals pin joint, its can to the lower clutch removes with the compression the second packing element, the second piston with be equipped with the ...

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25-02-2015 дата публикации

Method and system for determining shaft temperature field distribution based on electric heating of hollow rod

Номер: CN104373117A
Принадлежит:

The invention provides a method and a system for determining shaft temperature field distribution based on electric heating of a hollow rod. The method comprises the following steps: data information related to the electric heating of the hollow rod and a shaft is obtained; a step length is set according to the height of a working fluid level in the shaft and the depth of the shaft; the shaft is divided into multiple shaft sections according to the step length; the temperature of fluid in the multiple shaft sections is respectively determined according to the data information; and the temperature of the fluid in the multiple shaft sections form the shaft temperature field distribution. The method realizes the determination of the shaft temperature field distribution, and provides the data proof for subsequent selection of reasonable electric heating power to satisfy traditional recovery of thick oil, extra-heavy oil and super-heavy oil.

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04-03-2015 дата публикации

Method and system of determining shaft temperature field distribution based on hollow-rod

Номер: CN104389589A
Принадлежит:

The invention provides a method and a system of determining shaft temperature field distribution by a hollow-rod, the method including the steps of: 1) obtaining all the data relevant to the hollow-rod and a shaft; 2) setting the step size according to the height of the shaft working fluid level and the shaft depth; 3) dividing the shaft and the hollow-rod into a plurality of shaft sections and hollow-rod sections according to the specified step size; 4) determining the temperature of fluid in the shaft sections and the hollow-rod sections according to the specified data; 5) forming the shaft temperature field distribution by combination of temperature of the fluid in the hollow-rod sections and the temperature of the liquid in the shaft sections. The method and the system can determine the shaft temperature field distribution and provide data basis for the reasonable follow-up determination of mixing discharge capacity at a shaft entrance and temperature so as to satisfy the requirement ...

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09-09-2015 дата публикации

Sampling device in pit

Номер: CN0204627602U
Принадлежит:

The utility model discloses a sampling device in pit, include: a top connection for and the sampling tube support connnection, the center tube, its the upper end with the top connection is connected, and its lower extreme is connected with the sample collecting vessel, is provided with first opening on its upper portion pipe wall, and the outside of its lower part is provided with the alternate track groove of long, short track, the cover disposed on the outer hydraulic cylinder of center tube, be provided with the inlet on the hydraulic cylinder, the cover disposed on the center tube is outer rights the mechanism, its with hydraulic cylinder fixed connection can fix a position under the frictional force effect the hydraulic cylinder, be provided through stop gear pin in the track groove, its can along with the center tube reciprocates it slides to trade the rail in the track groove. Sampling device in pit can accurately take a sample to the polymer of appointed sample position.

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19-08-2015 дата публикации

Packer

Номер: CN104847298A
Принадлежит:

The invention discloses a packer which comprises a central pipe, a rubber sleeve unit, a cone unit and a hydraulic cylinder sleeve. A through hole is formed in the wall of the central pipe. A first piston, a first fixing part, a second piston and a second fixing part are sequentially arranged between the central pipe and the hydraulic cylinder sleeve, the first piston is arranged under the cone unit, a first locking mechanism is arranged between the first piston and the cone unit, the first fixing part is fixedly connected with the central pipe in a sealed mode, a thermal expansion article is previously arranged between the first fixing part and the first piston, the second piston is fixedly connected with the hydraulic cylinder sleeve, the second fixing part is connected with the central pipe through an unblocking pin, an air inlet space is formed between the second fixing part and the second piston, the air inlet space is communicated with the through hole, and a second locking mechanism ...

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25-11-2015 дата публикации

Thermal -insulated pipe and gas injection tubular column thereof

Номер: CN0204804704U
Принадлежит:

The application discloses a thermal -insulated pipe and gas injection tubular column thereof, thermal -insulated pipe includes: the outer tube, it has first end of outer tube and outer tube second end, be located inner tube in the outer tube, it has first end of inner tube and inner tube second end, the first end of inner tube is equipped with the external screw thread, inner tube second end be equipped with with internal thread and external screw thread that the outer thread to match of the first end of inner tube closed, the clamp ring, its slidable ground cover is established outside the first end of inner tube, the clamp ring with the annular space has between the inner tube, it establishes to be equipped with the seal cover in the annular space the last graphite sealing ring of outer wall of the inner tube, the clamp ring can drive graphite sealing ring court the first end of inner tube slides, the annular space is close to the one end of the first end of inner tube has the opening ...

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14-10-2015 дата публикации

Full well section inflation screen pipe sand control tubular column

Номер: CN0204703868U
Принадлежит:

The utility model provides a full well section inflation screen pipe sand control tubular column, full well section inflation screen pipe sand control tubular column includes: body (5), coupling (1) is connected the first end of body, the lateral wall of coupling is equipped with the coupling slot, filter layer (4) surround outside the body, expansion loop (6) are connected the second end of body, protective sheath (2), the cover is established coupling (1) filter layer (4) and outside body (5), protective sheath (2) include: the first section, second section and the third section that connect gradually, first section cover is established outside coupling (1), and the lateral wall of first section is for sealing, second section cover is established outside filter layer (4), and the lateral wall of second section is equipped with the protective sheath slot, third section cover is established outside the second end of body. The utility model discloses have that the well completion latus rectum ...

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19-08-2015 дата публикации

Open hole packer

Номер: CN104847301A
Принадлежит:

The invention discloses an open hole packer comprising a central pipe, a rubber cylinder unit, a hydraulic cylinder sleeve, a first piton, a sliding sleeve, a locking piece and a second piston. An upper connector is connected to one end of the central pipe, a lower connector is connected to the other end of the central pipe, and a through hole is formed in the wall of the central pipe. The rubber cylinder unit comprises a first rubber cylinder and a second rubber cylinder, wherein the first rubber cylinder is connected with the upper connector, and the second rubber cylinder is connected with the lower connector. The hydraulic cylinder sleeve comprises a first end and a second end. The first piston can move to the upper connector so as to compress the first rubber cylinder. The sliding sleeve is provided with a first end and a second end. The locking piece enables the sliding sleeve to only move towards the upper connector. The second piston is connected with the second end of the sliding ...

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25-03-2015 дата публикации

Steam dryness determining method and device

Номер: CN104462750A
Принадлежит:

The embodiment of the invention discloses a steam dryness determining method and device. The method comprises the steps that a first range and a second range are determined; parameters are read, and a heat resistance value and a heat loss maximum value in the radial direction in the first range are determined; according to the heat loss maximum value and first preset space distance, a second position and first unit heat loss are determined; according to the first unit heat loss, first heat loss and second heat loss are determined; first steam dryness and second steam dryness are determined; according to the first steam dryness and the second steam dryness at all positions in the first range, the steam dryness of a first oil layer steam outlet is determined; a third heat loss value at a shaft third position in the second range is determined; according to the third position and second preset space distance, fourth heat loss and fourth steam dryness are determined; and the steam dryness at ...

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30-07-2014 дата публикации

Fracturing fluid drag reducer, and preparation method and application thereof

Номер: CN103951785A
Принадлежит:

The invention provides a fracturing fluid drag reducer, and a preparation method and an application thereof. The fracturing fluid drag reducer is prepared by using 5-15wt% of an acrylic monomer, 1-3wt% of 2-methyl-2-allyl ammonium chloride, 1-2wt% of 2-acrylamido-2-methylpropanesulfonic acid, 2-6wt% of an alkali, 10-20wt% of an acrylamide monomer, 0.02-0.07wt%of an initiator, 2-4wt% of an emulsifier, 1-2wt% of a co-emulsifier, 15-30wt% of oil, and the balance water. The drag reducer has the advantages of fast dissolving speed, realization of the fast dissolving time of less than 30s, good tackifying effect, and excellent drag reduction performance, and can realize a maximum drag reduction rate of 87% in field application.

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25-03-2015 дата публикации

Method and system for determining temperature distribution of high-pressure gas well shaft

Номер: CN104453861A
Принадлежит:

The invention provides a method and system for determining temperature distribution of a high-pressure gas well shaft. The method includes the steps that data information related to a high-pressure gas well and a shaft is acquired; the preset step length is acquired; the shaft is divided into multiple shaft sections according to the step length; the temperatures of the upper ends of all the shaft sections are determined according to the data information; shaft temperature field distribution is formed through the temperatures of the upper ends of all the shaft sections. The data information related to the high-pressure gas well and the shaft is acquired, the shaft is divided into the shaft sections according to the set step length, the temperatures of the upper ends of all the shaft sections are determined sequentially, shaft temperature field distribution is acquired, and a data basis is provided for follow-up single-phase flow or gas-liquid two-phase flow extraction of a high-pressure ...

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09-09-2015 дата публикации

Packer

Номер: CN0204627520U
Принадлежит:

The application discloses a packer includes: the center tube, a thru hole is provided on the wall of center tube, the packing element unit, the cone unit, the hydraulic cylinder cover, the center tube with be equipped with first piston, first mounting, second piston, second mounting between the hydraulic cylinder cover sequentially, first piston is located cone unit below, first piston with be equipped with a locking mechanism between the cone unit, first mounting with center tube fixed seal connects, first mounting with preset the thermal energy thing between the first piston, the second piston with hydraulic cylinder cover fixed connection, the second mounting with the center tube passes through deblocking pin joint, the second mounting with be equipped with the space of admitting air between the second piston, admit air the space with the thru hole feeds through mutually, the second mounting with be equipped with the 2nd locking mechanism between the hydraulic cylinder cover. The packer ...

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02-09-2015 дата публикации

Overall well segment expandable screen pipe

Номер: CN104879101A
Принадлежит:

... he present invention provides an overall well segment expandable screen pipe comprising a main body (5), a coupling (1), a filtering layer (4), an expandable ring, and a protective casing (2), wherein the coupling (1) is connected to a first end of the main body, the side wall of the coupling being provided with a coupling slot, the filtering layer (4) surrounding on the outside of the main body, the expandable ring being connected to a second end of the main body, the protective casing sleeving on the outside of the coupling (1), the filtering layer (4) and the main body (5), the protective casing (2) including a first segment, a second segment, and a third segment which are connected successively, the first segment sleeving on the outside of the coupling (1) and the side wall of the first segment being enclosed, the second segment sleeving on the outside of the filtering layer (4) and the side wall of the second segment being provided with a protective casing slot, the third segment sleeving ...

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