CN104179477B - Coiled tubing hangs electric motor drive oil pump system process pipe string - Google Patents
Coiled tubing hangs electric motor drive oil pump system process pipe string Download PDFInfo
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- CN104179477B CN104179477B CN201310198314.2A CN201310198314A CN104179477B CN 104179477 B CN104179477 B CN 104179477B CN 201310198314 A CN201310198314 A CN 201310198314A CN 104179477 B CN104179477 B CN 104179477B
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- coiled tubing
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- oil
- motor drive
- seating nipple
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Abstract
The invention discloses coiled tubing and hang electric motor drive oil pump system process pipe string, including the main oil pipe being enclosed within sleeve pipe and be enclosed within the coiled tubing in main oil pipe, described coiled tubing lower end is connected to oil rig, it is provided with oil rig seating nipple outside described main oil pipe lower end and coiled tubing, oil rig is arranged in seating nipple, is additionally provided with cable and capillary tube in described coiled tubing. This tubing string possesses relief valve and packer construction, sharp work equipment will be travelling through the coiled tubing suspension downhole electric pump unit of cable and liquid controling pipe line and go into the well, it is achieved secondary docking in down-hole controls relief valve and also separates production fluid path, it is achieved electric pump is quickly gone into operation. Owing to inside cable is had protective effect by coiled tubing; carry out ground detection qualified after can again band pump quickly under enter; save time and operating cost, it is to avoid the oil layer pollution brought due to kill-job and sewage return row's problem, meet the demand of no killing well, quick pump detection and workover.
Description
Technical field
The present invention relates to oil well pipe, specifically coiled tubing hangs electric motor drive oil pump system process pipe string.
Background technology
Ocean platform operation length duty cycle, operating speed is limited, cannot realize Operating Pressure, and these factors have impact on the safe efficient production of offshore oilfield, reduces development effectiveness. For avoiding sewage discharge, it is achieved Operating Pressure, improve working performance and development effectiveness, the research of offshore field operation technique safely and fast need to be carried out.
Summary of the invention
It is an object of the invention to provide coiled tubing and hang electric motor drive oil pump system process pipe string, it is achieved rapid construction, carry out marine quickly rountrip, meet the snubbing serving demand of marine electric pump well.
In order to reach above-mentioned purpose, present invention employs following technical scheme, coiled tubing hangs electric motor drive oil pump system process pipe string, including the main oil pipe being enclosed within sleeve pipe and be enclosed within the coiled tubing in main oil pipe, described coiled tubing lower end is connected to oil rig, being provided with oil rig seating nipple outside described main oil pipe lower end and coiled tubing, oil rig is arranged in seating nipple, is additionally provided with cable and capillary tube in described coiled tubing.
Described main oil pipe and seating nipple are connected by docking adapter, motor that described oil rig includes being sequentially connected with up and down, decelerator, electric pump, being connected with test barrel and imbibition cylinder below described electric pump in turn, liquid sucting port is offered in the bottom surface of imbibition cylinder, is provided with sealing drum between described test barrel and seating nipple.
Described seating nipple lower end connecting short section also arranges relief valve in junction, described pipe nipple lower end screen casing, and plug is installed in screen casing bottom.
Being provided with twice packer between described pipe nipple and sleeve pipe from top to bottom, the packer of lower end is sand control packer.
Position, described seating nipple middle and lower part uniform Design has air vent.
Described seating nipple has also extended through liquid controling pipe line.
Compared to prior art, the method have the advantages that
1. no killing well pump detection and workover can be realized; 2. realize producing fluid level monitoring, meet maritime safety production requirement;Operating speed is fast, improves offshore production efficiency; 4. sewage link and environment hidden danger are avoided; 5. owing to inside cable is had protective effect by coiled tubing, carry out ground detection qualified after can again band pump quickly under enter, saved time and operating cost.
This tubing string possesses relief valve and packer construction, sharp work equipment will be travelling through the coiled tubing suspension downhole electric pump unit of cable and liquid controling pipe line and go into the well, it is achieved secondary docking in down-hole controls relief valve and also separates production fluid path, it is achieved electric pump is quickly gone into operation. Owing to inside cable is had protective effect by coiled tubing; carry out ground detection qualified after can again band pump quickly under enter; save time and operating cost, it is to avoid the oil layer pollution brought due to kill-job and sewage return row's problem, meet the demand of no killing well, quick pump detection and workover.
Accompanying drawing explanation
Fig. 1 is the structural representation of the coiled tubing suspension electric motor drive oil pump system process pipe string of the present invention.
In figure: cable 1, coiled tubing 2, sleeve pipe 3, docking adapter 4, electric pump seating nipple 5, motor 6, decelerator 7, electric pump 8, sealing drum 9, imbibition cylinder 10, relief valve 12, capillary tube 14, liquid controling pipe line 15, test barrel 16, packer 18, pipe nipple 19, sand control packer 20, screen casing 21, plug 22 and oil pipe 23.
Detailed description of the invention
Detailed description for the present invention and technology contents, coordinate accompanying drawing to illustrate as follows, but accompanying drawing only provides reference and purposes of discussion, is not used for the present invention is any limitation as.
With reference to accompanying drawing 1, coiled tubing hangs electric motor drive oil pump system process pipe string, and described cable 1 and capillary tube 14 pass through in coiled tubing 2, and coiled tubing connects motor 6, decelerator 7, electric pump 8 and test barrel 16 thereof and imbibition cylinder 10 for 2 times, and one removes in oil pipe 23.
Described docking adapter 4, liquid controling pipe line 15 and sealing drum 9 are arranged in electric pump seating nipple 5, and electric pump seating nipple connects relief valve 12, packer 18 and pipe nipple 19 for 5 times, above connect oil pipe 23 and constitute to enter in sleeve pipe 3 under flow string. Position, described electric pump seating nipple 5 middle and lower part uniform Design has air vent 17.
Described sand control packer 20 is sequentially connected with screen casing 21, plug 22, is arranged on above oil reservoir 13.
Coiled tubing hangs electric motor drive oil pump system process pipe string, its field conduct scheme is: is first sequentially connected with sand control packer 20, screen casing 21, plug 22 and oil pipe 23 and constitutes sand control pipe and be lowered into oil reservoir 13 position, suppressed by oil pipe 23 and set sand control packer 20, inject gravel to oil reservoir 13 again and carry out gravel filling sand prevention, after suppress in oil pipe 23 and give up, play flowline 23; Secondly enter, under, the flow string being made up of docking adapter 4, liquid controling pipe line 15, sealing drum 9, electric pump seating nipple, relief valve 12, packer 18, pipe nipple 19 and oil pipe 23, in oil pipe 23, suppress set packer 18; Finally enter down the oil recovery dynamic test tubing string being made up of coiled tubing 2, motor 6, decelerator 7, electric pump 8 and test barrel 16 thereof and imbibition cylinder 10, wherein sealing drum 9 tight seal in the middle part of test barrel 16 lower end and electric pump seating nipple 5, coiled tubing 2 lower end and docking adapter 4 connect and compose sealing, capillary tube 14 is connected by docking adapter 5 with liquid controling pipe line 15, constitutes relief valve 12 and controls passage.
Relief valve 12 injects pressure-air by ground to capillary tube 14, extrudes docking adapter 4, makes hydraulic pressure lift in liquid controling pipe line 15, and production passage opened by hydraulic drive relief valve 12.
The oil gas of oil reservoir 13 output enters electric pump seating nipple 5 by screen casing 21, pipe nipple 19, relief valve 12, and gas is discharged by air vent 17, enters oil jacket annular space and discharges to ground; Liquid passes through liquid sucting port 11, and the annular space being drawn between coiled tubing 2 and oil pipe 23 through electric pump 8 is discharged to ground.
The foregoing is only presently preferred embodiments of the present invention, be not used to limit the scope of the claims of the present invention, other use the equivalent of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (5)
1. coiled tubing hangs electric motor drive oil pump system process pipe string, it is characterized in that, including the main oil pipe being enclosed within sleeve pipe and be enclosed within the coiled tubing in main oil pipe, described coiled tubing lower end is connected to oil rig, it is provided with oil rig seating nipple outside described main oil pipe lower end and coiled tubing, oil rig is arranged in seating nipple, is additionally provided with cable and capillary tube in described coiled tubing; Described main oil pipe and seating nipple are connected by docking adapter, motor that described oil rig includes being sequentially connected with up and down, decelerator, electric pump, being connected with test barrel and imbibition cylinder below described electric pump in turn, liquid sucting port is offered in the bottom surface of imbibition cylinder, is provided with sealing drum between described test barrel and seating nipple.
2. coiled tubing according to claim 1 hangs electric motor drive oil pump system process pipe string, it is characterised in that position, described seating nipple middle and lower part uniform Design has air vent.
3. coiled tubing according to claim 1 hangs electric motor drive oil pump system process pipe string, it is characterised in that described seating nipple lower end connecting short section also arranges relief valve in junction, described pipe nipple lower end screen casing, and plug is installed in screen casing bottom.
4. coiled tubing according to claim 3 hangs electric motor drive oil pump system process pipe string, it is characterised in that being provided with twice packer between described pipe nipple and sleeve pipe from top to bottom, the packer of lower end is sand control packer.
5. coiled tubing according to claim 1 hangs electric motor drive oil pump system process pipe string, it is characterised in that also extended through liquid controling pipe line in described seating nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198314.2A CN104179477B (en) | 2013-05-24 | 2013-05-24 | Coiled tubing hangs electric motor drive oil pump system process pipe string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198314.2A CN104179477B (en) | 2013-05-24 | 2013-05-24 | Coiled tubing hangs electric motor drive oil pump system process pipe string |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104179477A CN104179477A (en) | 2014-12-03 |
| CN104179477B true CN104179477B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310198314.2A Active CN104179477B (en) | 2013-05-24 | 2013-05-24 | Coiled tubing hangs electric motor drive oil pump system process pipe string |
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| CN (1) | CN104179477B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952960B (en) * | 2018-09-26 | 2021-10-26 | 中国石油化工股份有限公司 | Intelligent separate production string |
| CN112709556B (en) * | 2019-10-24 | 2022-12-06 | 中国石油化工股份有限公司 | Rapid well completion pipe string for offshore oilfield water injection well and construction method |
| CN112282738A (en) * | 2020-11-04 | 2021-01-29 | 中国石油天然气股份有限公司 | Horizontal well water finding and plugging integrated pipe column and testing method |
| CN113090209B (en) * | 2021-03-17 | 2022-08-26 | 成都叁能锐达能源科技有限公司 | Cable dropping and fishing electric pump system |
| CN115263250B (en) * | 2022-06-15 | 2024-02-06 | 杰瑞能源服务有限公司 | Electric submersible oil extraction device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009756A (en) * | 1975-09-24 | 1977-03-01 | Trw, Incorporated | Method and apparatus for flooding of oil-bearing formations by downward inter-zone pumping |
| CN201620768U (en) * | 2010-03-03 | 2010-11-03 | 中国石油天然气股份有限公司 | Self-spraying and lifting interactive column |
| CN201908632U (en) * | 2010-11-11 | 2011-07-27 | 中国石油天然气股份有限公司 | Offshore self-blowout and artificial lifting integrated well completion tubular column |
| CN202152678U (en) * | 2011-08-30 | 2012-02-29 | 靳涛 | Novel capillary pipe pressure transmitting cylinder device |
| CN202338294U (en) * | 2011-12-07 | 2012-07-18 | 中国石油天然气股份有限公司 | Self-blowing and machine-picking integrated intelligent well completion pipe string |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7066248B2 (en) * | 2003-06-11 | 2006-06-27 | Wood Group Esp, Inc. | Bottom discharge seal section |
-
2013
- 2013-05-24 CN CN201310198314.2A patent/CN104179477B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009756A (en) * | 1975-09-24 | 1977-03-01 | Trw, Incorporated | Method and apparatus for flooding of oil-bearing formations by downward inter-zone pumping |
| CN201620768U (en) * | 2010-03-03 | 2010-11-03 | 中国石油天然气股份有限公司 | Self-spraying and lifting interactive column |
| CN201908632U (en) * | 2010-11-11 | 2011-07-27 | 中国石油天然气股份有限公司 | Offshore self-blowout and artificial lifting integrated well completion tubular column |
| CN202152678U (en) * | 2011-08-30 | 2012-02-29 | 靳涛 | Novel capillary pipe pressure transmitting cylinder device |
| CN202338294U (en) * | 2011-12-07 | 2012-07-18 | 中国石油天然气股份有限公司 | Self-blowing and machine-picking integrated intelligent well completion pipe string |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104179477A (en) | 2014-12-03 |
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| C10 | Entry into substantive examination | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Li Gan Inventor after: Che Chuanrui Inventor after: Nie Wenlong Inventor after: Wang Minxuan Inventor after: Gu Kaizhao Inventor after: Li Yong Inventor after: Wang Jinjing Inventor after: Xu Shu Inventor after: Li Dezhong Inventor after: Gu Guoli Inventor after: Zhang Guoyu Inventor before: Li Gan Inventor before: Nie Wenlong Inventor before: Gu Kaizhao Inventor before: Li Xiliang Inventor before: Wang Jinjing Inventor before: Che Chuanrui Inventor before: Li Dezhong Inventor before: Gu Guoli Inventor before: Zhang Guoyu Inventor before: Xu Shu |
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