CN203685147U - Offshore separate-layer sand control, separate-layer oil production and separate-layer testing integrated pipe column - Google Patents
Offshore separate-layer sand control, separate-layer oil production and separate-layer testing integrated pipe column Download PDFInfo
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- CN203685147U CN203685147U CN201420015874.XU CN201420015874U CN203685147U CN 203685147 U CN203685147 U CN 203685147U CN 201420015874 U CN201420015874 U CN 201420015874U CN 203685147 U CN203685147 U CN 203685147U
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Abstract
The utility model discloses an offshore separate-layer sand control, separate-layer oil production and separate-layer testing integrated pipe column which comprises an oil pipe which downwards stretches into a casing, wherein the lower end of the oil pipe stretches into at least two layers of oil layers. The bottom of the oil pipe is provided with a plug, the oil pipe is provided with a bidirectional hydraulic switch in every layer of the oil layer segments, the oil pipe which is located above the oil layers at the top end is provided with an electric pump assembly, and the bidirectional hydraulic switches, the electric pump assembly, and the oil pipe work together to finish the separate-layer oil production work. A flush joint casing is sleeved at the outer side of the oil pipe in an empty mode, the upper end of the flush joint casing is higher than the oil layer at the top end, the lower end of the flush joint casing is flush with the bottom of a main casing of the outer side of the flush joint casing, a sand control pipe is arranged on the position, corresponding to every oil layer segment, of the flush joint casing, and the sand control pipes and the flush joint casing work together to finish the separate-layer sand control work, and a separate-layer testing device is arranged on the outer side, corresponding to every layer of the oil layer segments, of the oil pipe to finish the separate-layer testing work. By means of the offshore separate-layer sand control, separate-layer oil production and separate-layer testing integrated pipe column, oil layer selecting production is achieved, and influences of contradictions between layers on oil well productivity can be reduced.
Description
Technical field
The utility model relates to oil well multi-functional tubing string, especially marine layering sand-control layering oil production zonal testing integrated pipe column.
Background technology
In Shengli Sea Oil Field is at present in the exploitation middle and later periods, some oil wells oil reservoir is many, well segment length, interlayer is large, interlayer heterogeneity is serious, general mechanical sand control and commingling production must cause non-main layer reserves use rate low, oil well productivity is subject to larger impact, layering sand-control layering oil production technology has the example of ripe application at present, but be limited by the limitation of current test technology, also unrealized layering sand-control layering oil production zonal testing is integrated, cannot carry out Real-Time Monitoring to the strata pressure of each oil reservoir and temperature.
Summary of the invention
The purpose of this utility model is to provide marine layering sand-control layering oil production zonal testing integrated pipe column, realizes oil reservoir and selectively produces, and effectively alleviates the impact of interlayer contradiction on oil well productivity.
In order to reach above-mentioned purpose, the utility model has adopted following technical scheme, marine layering sand-control layering oil production zonal testing integrated pipe column, comprise the oil pipe being lowered in sleeve pipe, described oil pipe lower end is deeply at least two-layer oil reservoir, oil pipe bottom arranges plug, in every one deck oil layer section, on oil pipe, be provided with bidirectional hydraulic control switch, be positioned on the described oil pipe of oil reservoir top topmost and be provided with electric pump assembly, described bidirectional hydraulic control switch, electric pump assembly, oil pipe complete the work of oil production by layer together; Described oil pipe outside is set with integral joint casing, this integral joint casing upper end is higher than the top oil reservoir, lower end is concordant with the bottom of the main sleeve pipe outside self, on described integral joint casing, at corresponding each oil layer section, sand-proof pipe is all set, described integral joint casing completes selective sand control work together with sand-proof pipe; Described oil pipe outside is all equipped with lamination test device for every one deck oil layer section, completes zonal testing work.
Described electric pump assembly is connected on oil pipe by breeches joint branch formula, and is provided with ball-and-seat between electric pump assembly and breeches joint.
Described breeches joint top, on oil pipe, also cover has cable-passing packer, and described cable-passing packer top, is also provided with storm valve on oil pipe, and this safety valve is connection safety valve control pipeline upwards.
Between inner side, described integral joint casing upper end and oil pipe, be provided with oil production by layer packer, between outside, described integral joint casing upper end and main sleeve pipe, be provided with selective sand control packer.
The position between any two of described oil reservoir, and be also provided with oil production by layer packer between integral joint casing inner side and oil pipe; The position between any two of described oil reservoir, and be also provided with selective sand control packer between integral joint casing outside and main sleeve pipe.
Described lamination test device is Fibre Optical Sensor, and described Fibre Optical Sensor is upwards connected on underground optical cable by optical connector.
Described bidirectional hydraulic control switch upwards connects hydraulic control switch open control pipeline on the one hand, upwards connects on the other hand pilot-controlled switch closing control pipeline.
Compared to prior art, the utlity model has following beneficial effect:
Adopt the large latus rectum selective sand control of 9-5/8in sleeve pipe technology, in forming, latus rectum reaches the sand control completion well of 120mm, adopting bidirectional hydraulic control switch to realize oil reservoir selectively produces again, adopt optical fiber technology to realize zonal testing, adjust in time manufacturing parameter according to test result, effectively alleviate the impact of interlayer contradiction on oil well productivity.
1. adopt breeches joint to realize the independence of layering and electric pump production, do not interfere with each other.
2. adopt two-way gate-controlled switch, change layer simple, be easy to control, safe and reliable.
3. realize the long-term uninterrupted monitoring of temperature, pressure data, data show in real time, autostore.
Brief description of the drawings
Fig. 1 is the structure chart of marine layering sand-control layering oil production zonal testing integrated pipe column of the present utility model.
In figure: 1, main sleeve pipe; 2, oil pipe; 3, safety valve control pipeline; 4, storm valve; 5, cable-passing packer; 6, pilot-controlled switch closing control pipeline; 7, breeches joint; 8, ball-and-seat; 9, electric pump assembly; 10, pilot-controlled switch is opened and is controlled pipeline; 11, underground optical cable; 12, optical connector; 13, selective sand control packer; 14, oil production by layer packer; 15, Fibre Optical Sensor; 16, sand-proof pipe; 17, bidirectional hydraulic control switch; 18, integral joint casing; 19, plug.
Detailed description of the invention
Relevant detailed description of the present utility model and technology contents, coordinate brief description of the drawings as follows, but accompanying drawing only provides the use of reference with explanation, is not used for the utility model to be limited.
As shown in Figure 1, marine layering sand-control layering oil production zonal testing integrated pipe column, oil pipe is become owner of for 2 times in sleeve pipe 1, oil pipe 2 first arranges storm valve 4, and be connected to ground by safety valve control pipeline, safety valve below, cable-passing packer 5 is set on oil pipe, set between oil pipe and main sleeve pipe, cable-passing packer 5 belows, oil pipe top set goes out a breeches joint 7, this joint is connected electric pump assembly 9 by a point branch oil pipe with choke valve 8, the oil pipe that is positioned at electric pump assembly below has entered two-layer oil reservoir, the oil reservoir 1 of upper oil reservoir and the oil reservoir 2 of lower oil reservoir, according to drawing, it is two-layer that the present embodiment provides, more than certain two layers can, first in oil reservoir 1, on oil pipe, be equipped with a bidirectional hydraulic control switch 17, be equipped with a Fibre Optical Sensor 15 in oil pipe outside simultaneously, in like manner in oil reservoir 2, be also equipped with a bidirectional hydraulic control switch and a Fibre Optical Sensor, the residing two-layer oil reservoir of described oil pipe position is set with an integral joint casing 18, the integral joint casing relevant position (being respectively upper end and the stage casing of integral joint casing) of oil reservoir end positions Shang Xia 1 arranges respectively a selective sand control packer 13, integral joint casing all arranges independent sand-proof pipe 16 for oil reservoir 1 and oil reservoir 2, in like manner, in order to separate different oil reservoirs, between integral joint casing and oil pipe, be respectively arranged with an oil production by layer packer 14 in the end positions up and down of oil reservoir 1, in a word, oil production by layer packer and selective sand control packer are separated into different oil layer sections two oil reservoirs, pilot-controlled switch closing control pipeline 6 opens with pilot-controlled switch the oil production by layer packer that passes respectively each oil layer section when control pipeline 10 is upwards connected ground, cable-passing packer 5, underground optical cable 11 is passed down through cable-passing packer 5 and is connected with optical connector 12, Fibre Optical Sensor 15 is upward through oil production by layer packer by pipeline and is connected with optical connector 12.
First be lowered to selective sand control tubing string, be lowered to successively from bottom to top integral joint casing, lower floor's sand-proof pipe, lower floor's sand control packer, upper strata sand-proof pipe and upper strata sand control packer, set the sand control completion well of latus rectum 120mm in the complete formation of giving up, be convenient to being lowered to of oil production by layer and zonal testing tubing string.
Be lowered to again oil production by layer and zonal testing tubing string, adopt breeches joint to realize the independence of layering and electric pump production, the vertical side mounting minor diameter separate-layer production string of breeches joint, is lowered to plug, oil pipe, lower floor's bidirectional hydraulic control switch, lower floor's Fibre Optical Sensor, lower floor's oil production by layer packer, upper strata bidirectional hydraulic control switch, upper strata Fibre Optical Sensor, upper strata oil production by layer packer, optical connector, cable-passing packer, storm valve, oil pipe from bottom to top successively; The oblique side in breeches joint lower end connects electric pump flow string, is lowered to successively from bottom to top oil pipe, electric pump assembly, ball-and-seat.
Realize opening and closing of storm valve by the pressure control of safety valve control pipeline, ensure the safety in production of offshore field; Aspect oil production by layer, the pressure control of controlling pipeline by 2 pilot-controlled switchs unlatchings realizes the unlatching of levels bidirectional hydraulic control switch, realize closing of levels bidirectional hydraulic control switch by the pressure control of 1 pilot-controlled switch closing control pipeline (series connection), selectively produce thereby realize oil reservoir; Aspect zonal testing, the temperature, pressure signal that the Fibre Optical Sensor of levels monitors reflexes to ground demodulation and acquisition system by optical cable, generates respectively the temperature, pressure data of oil reservoir separately, realizes the uninterrupted monitoring of different reservoir temperature pressure.
The foregoing is only preferred embodiment of the present utility model, non-in order to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.
Claims (7)
1. marine layering sand-control layering oil production zonal testing integrated pipe column, comprise the oil pipe being lowered in sleeve pipe, described oil pipe lower end is deeply at least two-layer oil reservoir, oil pipe bottom arranges plug, it is characterized in that, in every one deck oil layer section, on oil pipe, be provided with bidirectional hydraulic control switch, be positioned on the described oil pipe of oil reservoir top topmost and be provided with electric pump assembly, described bidirectional hydraulic control switch, electric pump assembly, oil pipe complete the work of oil production by layer together; Described oil pipe outside is set with integral joint casing, this integral joint casing upper end is higher than the top oil reservoir, lower end is concordant with the bottom of the main sleeve pipe outside self, on described integral joint casing, at corresponding each oil layer section, sand-proof pipe is all set, described integral joint casing completes selective sand control work together with sand-proof pipe; Described oil pipe outside is all equipped with lamination test device for every one deck oil layer section, completes zonal testing work.
2. marine layering sand-control layering oil production zonal testing integrated pipe column according to claim 1, is characterized in that, described electric pump assembly is connected on oil pipe by breeches joint branch formula, and is provided with ball-and-seat between electric pump assembly and breeches joint.
3. marine layering sand-control layering oil production zonal testing integrated pipe column according to claim 2, it is characterized in that, described breeches joint top, on oil pipe, also cover has cable-passing packer, described cable-passing packer top, on oil pipe, be also provided with storm valve, this safety valve is connection safety valve control pipeline upwards.
4. marine layering sand-control layering oil production zonal testing integrated pipe column according to claim 1, it is characterized in that, between inner side, described integral joint casing upper end and oil pipe, be provided with oil production by layer packer, between outside, described integral joint casing upper end and main sleeve pipe, be provided with selective sand control packer.
5. marine layering sand-control layering oil production zonal testing integrated pipe column according to claim 4, is characterized in that, the position between any two of described oil reservoir, and be also provided with oil production by layer packer between integral joint casing inner side and oil pipe; The position between any two of described oil reservoir, and be also provided with selective sand control packer between integral joint casing outside and main sleeve pipe.
6. marine layering sand-control layering oil production zonal testing integrated pipe column according to claim 1, is characterized in that, described lamination test device is Fibre Optical Sensor, and described Fibre Optical Sensor is upwards connected on underground optical cable by optical connector.
7. marine layering sand-control layering oil production zonal testing integrated pipe column according to claim 1, it is characterized in that, described bidirectional hydraulic control switch upwards connects hydraulic control switch open control pipeline on the one hand, upwards connects on the other hand pilot-controlled switch closing control pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420015874.XU CN203685147U (en) | 2014-01-11 | 2014-01-11 | Offshore separate-layer sand control, separate-layer oil production and separate-layer testing integrated pipe column |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420015874.XU CN203685147U (en) | 2014-01-11 | 2014-01-11 | Offshore separate-layer sand control, separate-layer oil production and separate-layer testing integrated pipe column |
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| CN203685147U true CN203685147U (en) | 2014-07-02 |
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| CN201420015874.XU Expired - Fee Related CN203685147U (en) | 2014-01-11 | 2014-01-11 | Offshore separate-layer sand control, separate-layer oil production and separate-layer testing integrated pipe column |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134143A (en) * | 2015-09-01 | 2015-12-09 | 中国石油天然气股份有限公司 | Injection well operation oil casing diversion balance blowout preventer string |
| CN105257263A (en) * | 2015-10-28 | 2016-01-20 | 中国石油天然气股份有限公司 | Combined method of layered oil recovery and sand control |
| CN106014379A (en) * | 2016-07-27 | 2016-10-12 | 大港油田集团有限责任公司 | Layered simultaneous production testing string |
| CN107795304A (en) * | 2016-08-31 | 2018-03-13 | 中国石油天然气股份有限公司 | A multi-layer simultaneous production string and its application method |
| CN108561121A (en) * | 2018-01-05 | 2018-09-21 | 中国海洋石油集团有限公司 | Completion produces and is remotely controlled the method and system of each reservoir withdrawal with monitoring payzone in real time |
| CN110761775A (en) * | 2019-11-22 | 2020-02-07 | 中国石油大学胜利学院 | Reservoir information collection device for production wells |
| CN110863823A (en) * | 2019-11-22 | 2020-03-06 | 中国石油大学胜利学院 | Oil reservoir information collection method for oil production well in production |
| CN114482943A (en) * | 2020-10-27 | 2022-05-13 | 中国石油化工股份有限公司 | Layered polymer injection pipe column for layered sand control well and use method |
| CN115992674A (en) * | 2021-10-18 | 2023-04-21 | 中国石油化工股份有限公司 | An offshore oilfield multi-layer real-time layered measurement and control safety production string and its application method |
-
2014
- 2014-01-11 CN CN201420015874.XU patent/CN203685147U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134143B (en) * | 2015-09-01 | 2017-07-25 | 中国石油天然气股份有限公司 | Injection well operation oil casing diversion balance blowout preventer string |
| CN105134143A (en) * | 2015-09-01 | 2015-12-09 | 中国石油天然气股份有限公司 | Injection well operation oil casing diversion balance blowout preventer string |
| CN105257263A (en) * | 2015-10-28 | 2016-01-20 | 中国石油天然气股份有限公司 | Combined method of layered oil recovery and sand control |
| CN105257263B (en) * | 2015-10-28 | 2018-01-05 | 中国石油天然气股份有限公司 | Combined method of layered oil recovery and sand control |
| CN106014379A (en) * | 2016-07-27 | 2016-10-12 | 大港油田集团有限责任公司 | Layered simultaneous production testing string |
| CN107795304B (en) * | 2016-08-31 | 2019-09-06 | 中国石油天然气股份有限公司 | Multilayer simultaneous production tubular column and using method thereof |
| CN107795304A (en) * | 2016-08-31 | 2018-03-13 | 中国石油天然气股份有限公司 | A multi-layer simultaneous production string and its application method |
| CN108561121A (en) * | 2018-01-05 | 2018-09-21 | 中国海洋石油集团有限公司 | Completion produces and is remotely controlled the method and system of each reservoir withdrawal with monitoring payzone in real time |
| CN110761775A (en) * | 2019-11-22 | 2020-02-07 | 中国石油大学胜利学院 | Reservoir information collection device for production wells |
| CN110863823A (en) * | 2019-11-22 | 2020-03-06 | 中国石油大学胜利学院 | Oil reservoir information collection method for oil production well in production |
| CN110863823B (en) * | 2019-11-22 | 2023-09-12 | 扬州川石石油机械科技有限责任公司 | Reservoir information collection method for production wells |
| CN114482943A (en) * | 2020-10-27 | 2022-05-13 | 中国石油化工股份有限公司 | Layered polymer injection pipe column for layered sand control well and use method |
| CN115992674A (en) * | 2021-10-18 | 2023-04-21 | 中国石油化工股份有限公司 | An offshore oilfield multi-layer real-time layered measurement and control safety production string and its application method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20160111 |