CN203315803U - Compact type underwater gas-liquid separation system - Google Patents

Compact type underwater gas-liquid separation system Download PDF

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Publication number
CN203315803U
CN203315803U CN2013202913551U CN201320291355U CN203315803U CN 203315803 U CN203315803 U CN 203315803U CN 2013202913551 U CN2013202913551 U CN 2013202913551U CN 201320291355 U CN201320291355 U CN 201320291355U CN 203315803 U CN203315803 U CN 203315803U
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China
Prior art keywords
gas
liquid
pipeline
fluid
communicated
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Expired - Fee Related
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CN2013202913551U
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Chinese (zh)
Inventor
武超
郑万里
肖锐
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Baoji Oilfield Machinery Co Ltd
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Baoji Oilfield Machinery Co Ltd
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Priority to CN2013202913551U priority Critical patent/CN203315803U/en
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Publication of CN203315803U publication Critical patent/CN203315803U/en
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Abstract

The utility model discloses a compact type underwater gas-liquid separation system which comprises a gas-liquid separator, wherein the gas-liquid separator is connected with a pressure difference sensor; a gas outlet connecting pipe is communicated with a gas outlet pipeline; a fluid input connecting pipe is communicated with a gas-liquid mixed conveying pipeline; a fluid reinjection connecting pipe is communicated with an oil liquid reinjection pipeline; the oil liquid reinjection pipeline is communicated with a return liquid control valve; an oil liquid output connecting pipe is connected with an underwater mixed conveying pump set; an outlet of the underwater mixed conveying pump set is communicated with a flow sensor, a return liquid control valve and an oil liquid output pipeline at the same time; a liquid level sensor pressure guide connecting pipe is connected with a liquid level sensor; the liquid level sensor and the return liquid control valve are connected with an underwater control module at the same time; the underwater control module and the underwater mixed conveying pump set are connected with a variable frequency drive control module at the same time. The compact type underwater gas-liquid separation system effectively reduces the work load of oil-gas separation treatment equipment such as a production platform, and increases the recovery ratio of an oil field.

Description

A kind of Separate System of Water-jet of compact under water
Technical field
The utility model belongs to marine oil and gas winning apparatus technical field, relates to a kind of Separate System of Water-jet of compact under water.
Background technology
The oil gas treatment system that is applied at present the marine oil gas field all is mounted in the land on production platform or coastal waters, need the production fluid that will exploit out from underwater well head all by pipeline, to be transported to platform or on the bank, carry out again follow-up dehydration, degassed processing, such processing mode has increased oil gas and has carried and the cost of gathering, easily cause wax deposition to stop up, and increased the back pressure of underwater well head, reduced the recovery ratio in oil field.
The utility model content
The purpose of this utility model is to provide a kind of Separate System of Water-jet of compact under water, has solved the oil gas conveying existed in the prior art and the cost of gathering high, the problem that easily causes wax deposition to stop up.
The technical scheme that the utility model adopts is, a kind of Separate System of Water-jet of compact under water, comprise gas-liquid separator, be provided with fluid input adapter, fluid re-injection adapter, fluid discharge conection, the adapter of liquid level sensor impulse, the adapter of pressure sensor impulse and gas discharge conection on the housing of gas-liquid separator
Described pressure sensor impulse is taken over and is connected with differential pressure pickup; The gas discharge conection is communicated with the gas output tube line, in the pipeline of gas output tube line, gas path control valve is installed; The fluid input is taken over and is communicated with the gas-liquid delivery pipeline, is provided with liquid entrance control valve in the pipeline of gas-liquid delivery pipeline; Fluid re-injection adapter is communicated with fluid re-injection pipeline, and fluid re-injection pipeline is communicated with the rework solution control valve; The fluid discharge conection is connected with mixing pump group under water by liquid road control valve, and the while of the outlet of mixing pump group under water is communicated with flow sensor, rework solution control valve and fluid export pipeline; The liquid level sensor impulse is taken over and is connected with liquid level sensor, differential pressure pickup, flow sensor, liquid level sensor and rework solution control valve also are connected with control module under water simultaneously, and control module is connected with the Frequency Drive Control module with mixing pump group under water simultaneously under water.
The Separate System of Water-jet of compact under water of the present utility model, its characteristics also are:
Gas-liquid separator adopts the spiral-flow type vapor-liquid separating structure.
The Frequency Drive Control module is arranged on the above Platform Deck of the water surface.
The beneficial effects of the utility model are, the oil gas treatment system formed by compact gas-liquid separator under ocean water and submersible pump group, just the marine oil field production is carried out to the processing of gas-liquid cyclonic separation in seabed, then be transported to that production platform is stored or further process through production riser or gas production standpipe.The oil gas treatment facility workloads such as production platform separation have effectively been reduced, reduced the well head back pressure, reduced transportation pipe line pigging operation expense, increased oil recovery rate, process equipment guarantee and solution are provided in particular for the localized oil gas of bank far away and marginal oil field, greatly improved the economic benefit of offshore oilfield exploitation.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation of compact Separate System of Water-jet under water;
Fig. 2 is the structural representation of the rotational flow type gas-liquid separater in the utility model.
In figure, 1. gas-liquid separator, 2. differential pressure pickup, 3. gas path control valve, 4. Frequency Drive Control module, 5. flow sensor, 6. mixing pump group under water, 7.Ye road control valve, 8. rework solution control valve, 9. liquid level sensor, 10. carry out liquid entrance control valve, 11. gas-liquid delivery pipeline, 12. gas output tube line, 13. fluid export pipeline, 14. control module under water, 15. fluid re-injection pipeline, 16. the fluid input is taken over, 17. housing, 18. the fluid re-injection is taken over, 19. fluid discharge conection, 20. the liquid level sensor impulse is taken over, 21. the pressure sensor impulse is taken over, 22. gas discharge conection.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
With reference to Fig. 1, Fig. 2, structure of the present utility model is, comprises gas-liquid separator 1, mixing pump group 6, each sensor (differential pressure pickup 2, flow sensor 5, liquid level sensor 9), each control valve (gas path control valve 3 ,Ye road control valves 7, rework solution control valve 8, carry out liquid entrance control valve 10), each control module (Frequency Drive Control module 4, control module 14) under water, gas-liquid delivery pipeline 11, gas output tube line 12, fluid export pipeline 13, fluid re-injection pipeline 15 form under water;
Gas-liquid separator 1 wherein adopts the spiral-flow type vapor-liquid separating structure, be provided with fluid input adapter 16, fluid re-injection adapter 18, fluid discharge conection 19, liquid level sensor impulse adapter 20, the adapter 21 of pressure sensor impulse and gas discharge conection 22 on the housing 17 of gas-liquid separator 1, wherein, pressure sensor impulse adapter 21 is connected with differential pressure pickup 2; Gas discharge conection 22 is communicated with gas output tube line 12, and gas path control valve 3 is installed in the pipeline of gas output tube line 12; The fluid input is taken over 16 and is communicated with gas-liquid delivery pipeline 11, is provided with liquid entrance control valve 10 in the pipeline of gas-liquid delivery pipeline 11; The fluid re-injection is taken over 18 and is communicated with fluid re-injection pipeline 15, and fluid re-injection pipeline 15 is communicated with rework solution control valve 8; Fluid discharge conection 19 is connected with mixing pump group 6 under water by liquid road control valve 7, and the while of the outlet of mixing pump group 6 under water is communicated with flow sensor 5, rework solution control valve 8 and fluid export pipeline 13; The liquid level sensor impulse is taken over 20 and is connected with liquid level sensor 9, differential pressure pickup 2, flow sensor 5, liquid level sensor 9 and rework solution control valve 8 also are connected with control module 14 under water simultaneously, and control module 14 is connected with Frequency Drive Control module 4 with mixing pump group 6 under water simultaneously under water.
Frequency Drive Control module 4 is arranged on the above Platform Deck of the water surface, makes this system have the operated from a distance control ability.
Gas-liquid separator 1 and mixing pump group 6 Whole Equipment skids such as grade under water or skid respectively, each equipment is connected by flange with the connected mode of pipeline, or adopts hydraulic connecting joint or other form to connect.
Operation principle of the present utility model is, gas-liquid separator 1 is positioned over the seabed on underwater well head side, after the offshore oil field production fluid flows out by underwater well head, taking over 16 by the fluid input be communicated with gas-liquid delivery pipeline 11 enters in gas-liquid separator 1, gas-liquid mixture carries out the gas-liquid cyclonic separation in separator inside under centrifugal action, after separation, gas phase rises to the cyclone top, and be transported to the production platform on sea by the gas output tube line 12 be communicated with gas discharge conection 22, the liquid phase of sinking by the fluid export pipeline 13 that is communicated with fluid discharge conection 19 after mixing pump group 6 superchargings under water, be transported to the production platform on sea.Whole system is in running, and the internal pressure that is installed on 2 pairs of gas-liquid separators 1 of differential pressure pickup at gas-liquid separator 1 top is monitored, by gas path control valve 3 control system pressure.9 pairs of gas-liquid separators of liquid level sensor, the 1 interior bottoms level that is installed on gas-liquid separator 1 bottom is monitored, when gas-liquid separator 1 inside liquid level when higher, monitor signal can pass to the Frequency Drive Control module 4 on platform by control module 14 under water, Frequency Drive Control module 4 is regulated the duty of mixing pump group 6 under water more as requested, increases the pump Movement Capabilities; Otherwise when gas-liquid separator 1 inside liquid level when on the low side, control module 14 can be opened rework solution control valve 8 and allows fluid reenter gas-liquid separator 1 through fluid re-injection pipeline 15 under water, guarantees that liquid level remains in allowed band, maintains the stable of system.
The utility model adopts the compact cyclone separator to carry out gas-liquid separation, and by the mixing pump group of VFC, liquid phase is carried out to the supercharging conveying, effectively reduce the well head back pressure, improved oil recovery rate, and reduced the load of platform, have that separative efficiency is high, energy consumption is little, compact conformation, convenient for installation and maintenance, played good economic benefit.

Claims (3)

1. a compact Separate System of Water-jet under water, its characteristics are: comprise gas-liquid separator (1), be provided with the fluid input on the housing (17) of gas-liquid separator (1) and take over (16), fluid re-injection adapter (18), fluid discharge conection (19), liquid level sensor impulse adapter (20), the adapter of pressure sensor impulse (21) and gas discharge conection (22)
Described pressure sensor impulse is taken over (21) and is connected with differential pressure pickup (2); Gas discharge conection (22) is communicated with gas output tube line (12), and gas path control valve (3) is installed in the pipeline of gas output tube line (12); The fluid input is taken over (16) and is communicated with gas-liquid delivery pipeline (11), is provided with liquid entrance control valve (10) in the pipeline of gas-liquid delivery pipeline (11); The fluid re-injection is taken over (18) and is communicated with fluid re-injection pipeline (15), and fluid re-injection pipeline (15) is communicated with rework solution control valve (8); Fluid discharge conection (19) is connected with mixing pump group (6) under water by liquid road control valve (7), and the while of the outlet of mixing pump group (6) under water is communicated with flow sensor (5), rework solution control valve (8) and fluid export pipeline (13); The liquid level sensor impulse is taken over (20) and is connected with liquid level sensor (9), differential pressure pickup (2), flow sensor (5), liquid level sensor (9) and rework solution control valve (8) also are connected with control module (14) under water simultaneously, and control module (14) is connected with Frequency Drive Control module (4) with mixing pump group (6) under water simultaneously under water.
2. the Separate System of Water-jet of compact under water according to claim 1, its characteristics are: described gas-liquid separator (1) adopts the spiral-flow type vapor-liquid separating structure.
3. the Separate System of Water-jet of compact under water according to claim 1, its characteristics are: described Frequency Drive Control module (4) is arranged on the above Platform Deck of the water surface.
CN2013202913551U 2013-05-24 2013-05-24 Compact type underwater gas-liquid separation system Expired - Fee Related CN203315803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013202913551U CN203315803U (en) 2013-05-24 2013-05-24 Compact type underwater gas-liquid separation system

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Application Number Priority Date Filing Date Title
CN2013202913551U CN203315803U (en) 2013-05-24 2013-05-24 Compact type underwater gas-liquid separation system

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CN203315803U true CN203315803U (en) 2013-12-04

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103899290A (en) * 2014-03-20 2014-07-02 宝鸡石油机械有限责任公司 Underwater compact type oil-gas-water-solid separation system
CN104524817A (en) * 2014-12-31 2015-04-22 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Control system of gas and liquid separation device
CN104801071A (en) * 2015-04-14 2015-07-29 中国石油大学(华东) Two-stage axial-flow type online gas-liquid separation device for underwater pipeline
CN114653150A (en) * 2022-02-09 2022-06-24 东莞市尚力实业有限公司 Gas-liquid separation method and device for dental electric suction machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103899290A (en) * 2014-03-20 2014-07-02 宝鸡石油机械有限责任公司 Underwater compact type oil-gas-water-solid separation system
CN104524817A (en) * 2014-12-31 2015-04-22 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Control system of gas and liquid separation device
CN104524817B (en) * 2014-12-31 2016-06-01 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 The Controlling System of a kind of gas-liquid separation device
CN104801071A (en) * 2015-04-14 2015-07-29 中国石油大学(华东) Two-stage axial-flow type online gas-liquid separation device for underwater pipeline
CN104801071B (en) * 2015-04-14 2016-06-22 中国石油大学(华东) The online gas-liquid separation device of two-stage axial-flow type submarine pipeline
CN114653150A (en) * 2022-02-09 2022-06-24 东莞市尚力实业有限公司 Gas-liquid separation method and device for dental electric suction machine

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131204

Termination date: 20170524

CF01 Termination of patent right due to non-payment of annual fee