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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 7. Отображено 7.
05-11-2014 дата публикации

Hypercoagulable thick oil activating agent used in water shut-off, and oil well water shut-off method

Номер: CN104130760A
Автор: CHEN XIAOKAI, LIU DEZHU, WANG HAO, LI RUI, PAN JIANHUA, GAO BENCHENG, ZENG SHUANGHONG, ZHENG MENG, ZHAO YUNFENG, LIU JIANSHAN, MA CHANGMING, LIU RONGWEI, LIU QIANG, GUAN ZIJUN
Принадлежит:

The invention provides a hypercoagulable thick oil activating agent used in water shut-off, and an oil well water shut-off method. The hypercoagulable thick oil activating agent is obtained by mixing a water shut-off activating agent and hypercoagulable thick oil. The water shut-off activating agent is composed of a main agent and an auxiliary agent. The main agent is composed of coconut oil fatty acid diethanolamide and a sugar-based surfactant. The water shut-off activating agent comprises, by weight: 30-50% of the coconut oil fatty acid diethanolamide, 30-50% of the sugar-based surfactant, and 5-20% of the auxiliary agent. The invention also provides an oil well water shut-off method applying the hypercoagulable thick oil activating agent. The hypercoagulable thick oil activating agent provided by the invention has the advantages of environment-friendliness, simple process, good stratum compatibility, good selective water shut-off capacity, wide reservoir type adaptability, low raw material ...

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Номер записи: 1
21-05-2014 дата публикации

Three-layer separate injection string and three-layer separate injection method for oil well

Номер: CN103806884A
Автор: HE JIANZHONG, PAN JIANHUA, GAO BENCHENG, MAO HUIZHONG, LI JIAQING, ZHAO YUNFENG
Принадлежит:

The invention discloses a three-layer separate injection string and a three-layer separate injection method for an oil well. The three-layer separate injection string comprises an outer pipe combination and an inner pipe combination, wherein the outer pipe combination comprises a large oil pipe, a first expanding packer, a division water distributor, a small oil pipe, a second expanding packer, a constant pressure switch and a ball seat which are fixedly connected sequentially from top to bottom; the inner pipe combination comprises the small oil pipe and a division insertion pipe, the division insertion pipe can be correspondingly abutted against a sliding sleeve in the division water distributor, and a gap is reserved between a non-insertion section of the division insertion pipe and a barrel of the division water distributor; the string is tripped in the designated location of a sleeve, and a steel ball is put on the ball seat; and setting pressure of the first expanding packer and setting ...

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Номер записи: 2
22-10-2014 дата публикации

Profile control and displacement system and chemical preparation device for profile control and displacement

Номер: CN104110233A
Автор: HE JIANZHONG, PAN JIANHUA, ZHAO HAN, WANG WEIDONG, GAO BENCHENG, ZHAO YUNFENG, YIN HUA, ZHANG CHAOSHENG, HE YONG, SHI LEI, MA WEI, CAI YANJIE, FAN JIANYING, ZHANG HONGMEI, ZHAO RONG, ZHAO DAPENG
Принадлежит:

The invention discloses a chemical preparation device for profile control and displacement and a profile control and displacement system. The chemical preparation device comprises a water storing tank capable of storing water, a water suction pump provided with a suction inlet and a drain outlet, a connecting pipe and a stirrer. The water suction pump is capable of sucking the water in the water storing tank via the suction inlet and draining out the water via the drain outlet. The connecting pipe is capable of mixing the water with dry chemical powder initially and comprises a pipe body provided with a first port and a second port which are opposite, the first port is communicated with the drain outlet of the water suction pump, and an opening is formed in the wall of the pipe body of the connecting pipe. The stirrer comprises a tank with one end open and a stirring component used for stirring, the stirring component is arranged in the tank, and liquid flowing out of the second port of ...

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Номер записи: 3
06-01-2016 дата публикации

Motionless tubular column injection test of three -layer water injection well and test tubular column that seals

Номер: CN0204941493U
Автор: XU MENG, PAN JIANHUA, GAO BENCHENG, ZHAO YUNFENG, ZHANG CHAOSHENG, ZHAO ZHIHUI, ZENG WENBO, FU YINGPING
Принадлежит:

The utility model provides a motionless tubular column injection test of three -layer water injection well and test tubular column that seals, motionless tubular column injection test of three -layer water injection well and test tubular column that seals include Y531 type packer, constant pressure switch and the ZY521 type packer that connects gradually from the top down through oil pipe. Through setting up Y531 type packer and ZY521 type packer, can seal the operation that the seperated layer water injection was realized to ZY521 type packer and Y531 type packer through seat in proper order, reach the purpose of testing a job of the injection test of accomplishing the oil reservoir under the condition of motionless tubular column and packer.

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Номер записи: 4
14-09-2011 дата публикации

Segmented water plugging method of liquid bridge plug of horizontal well

Номер: CN0102182421A
Автор: RUI LI, HUA LONG, CHANGMING MA, JIANHUA PAN, SHOUJUN ZHANG, BAOSHAN LANG, BENCHENG GAO, ENHONG LIU, FULIN ZHU, YUNDU BAI, ZHIJIAN WANG, LI RUI, LONG HUA, MA CHANGMING, PAN JIANHUA, ZHANG SHOUJUN, LANG BAOSHAN, GAO BENCHENG, LIU ENHONG, ZHU FULIN, BAI YUNDU, WANG ZHIJIAN
Принадлежит:

The invention provides a segmented water plugging method of a liquid bridge plug of a horizontal well. The method comprises the following steps of: lowering an oil tube at a tiptoe position of the horizontal well, injecting a prepared liquid bridge plug solution into the horizontal well by a positive alternate method, and filling a horizontal section of a well shaft; lifting the oil tube, setting a port position of the oil tube at a water outlet part of an oil well, and carrying out water displacement on the liquid bridge plug to make part of well sections filled with water, wherein the part of well sections is a water plugging target well section; waiting on cement to make the liquid bridge plug become gel, filling the well sections, except the water plugging target well section, of the horizontal section of the well shaft, and finishing temporary plugging protection process; injecting a plugging agent by using the conventional tubular column to make the target well section effectively ...

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Номер записи: 5
25-11-2015 дата публикации

Fireflood tail gas is anticorrosive prevents reinjection technology tubular column against current

Номер: CN0204804805U
Автор: XU MENG, GAO BENCHENG, ZHAO YUNFENG, ZHANG CHAOSHENG, GAO XINZHE, ZENG WENBO, ZHAO ZHIHUI, ZHAN YUNFENG, YUAN BO
Принадлежит:

The utility model provides a fireflood tail gas is anticorrosive prevents reinjection technology tubular column against current, fireflood tail gas is anticorrosive prevents reinjection technology tubular column against current includes: single current valve, anticorrosive short circuit and the packer from top to bottom connected by oil pipe in proper order. The utility model discloses an anticorrosive adverse current reinjection technology string structure is simple for fireflood tail gas, can avoid tail gas to produce the backward flow or reveal through packer and single current valve, through setting up anticorrosive short circuit, can prolong the life of tubular column.

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Номер записи: 6
14-09-2011 дата публикации

Thixotropic chemical sealing channeling agent

Номер: CN0102181274A
Автор: HUA LONG, RUI LI, CHANGMING MA, JIANHUA PAN, SHOUJUN ZHANG, BAOSHAN LANG, BENCHENG GAO, ENHONG LIU, FULIN ZHU, ZHIJIAN WANG, YUNDU BAI, LONG HUA, LI RUI, MA CHANGMING, PAN JIANHUA, ZHANG SHOUJUN, LANG BAOSHAN, GAO BENCHENG, LIU ENHONG, ZHU FULIN, WANG ZHIJIAN, BAI YUNDU
Принадлежит:

The invention provides a thixotropic chemical sealing channeling agent. The sealing channeling agent comprises the following raw materials: 40 to 55 weight parts of iron rich low-carbon sulfur aluminate, 0.2 to 5.0 weight parts of sodium-based bentonite, 0.5 to 2.0 weight parts of fluid loss agent, 0.2 to 5.0 weight parts of white carbon black, 0.5 to 4.0 weight parts of cyclodextrin and/or starch and 30 to 50 weight parts of water. The chemical sealing channeling agent has the characteristics of strong adhesion and thermal stability, good durability, prominent cracking resistance and the like; the linear expansion rate reaches over 0.2 percent, the compressive strength reaches over 30MPa, and the shearing strength reaches over 10MPa; and by adding dispersant, fluid loss agent and thixotropic regulator, the sealing channeling agent has high thixotropic property and loss resistance.

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Номер записи: 7