CN205154131U - Liquid recovery system is taken off in degritting of modularization natural gas - Google Patents
Liquid recovery system is taken off in degritting of modularization natural gas Download PDFInfo
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- CN205154131U CN205154131U CN201520963665.2U CN201520963665U CN205154131U CN 205154131 U CN205154131 U CN 205154131U CN 201520963665 U CN201520963665 U CN 201520963665U CN 205154131 U CN205154131 U CN 205154131U
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Abstract
The utility model relates to a liquid recovery system is taken off in degritting of modularization natural gas, its characterized in that: the multistage sewage pipes end of one -level sand setting jar module is connected with the storage tank, multistage emptying pipeline is connected with automatic torch, the horizontal desander module of second grade forms by two horizontal desanders are parallelly connected, the air inlet of one -level sand setting jar module, be equipped with the connecting line between the air inlet of two horizontal desanders and the gas outlet of pressure regulating valves respectively, the drain of the horizontal desander module of second grade utilizes the multistage sewage pipes of tube coupling to one -level sand setting jar module, the gas outlet of one -level sand setting jar module and the horizontal desander module of second grade is connected to the air inlet of tertiary filter module, the gas outlet and the air inlet of decompression module of tertiary filter module are connected, the gas outlet of decompression module is connected with metering modules and generator module respectively. Its simple process, use safe and reliable effectively separate sand, liquid in the natural gas, to entering the station, reduce the wasting of resources, reducing pollutants after the natural gas pressure regulating after purifying.
Description
Technical field
The utility model relates to oil and gas exploitation field, and particularly the desanding of a kind of modularization natural gas takes off liquid recovery system, is applicable to the oil and gas exploitation initial stage to the desanding of natural gas during natural gas open flow, de-liquid, recovery.
Background technology
Natural gas is as clean energy resource, and application is extensive, but restricts by working condition, and the current mining type initial stage is still the unlimited mode of air burning, both wastes the energy, and pollutes environment again.Only for Changqing oilfields operation block, the quantity of annual new well is more than 100 mouthfuls, the natural gas loss amount that open flow produces every day at initial stage is about 5-10 ten thousand side, cycle is about 10 days, then the natural gas of annual open flow loss is about 5000-10000 ten thousand side, be amplified to whole Changqing Gas Fields and the gas field such as Xinjiang, Sichuan, waste larger.Owing to just entering the open flow stage after natural gas well pressure break terminates, product will be lured to the natural gas well, remove the fracturing fluid of in pit shaft and near wellbore zone and unstable fracturing sand, the fracturing sand that natural gas carries during open flow, fracturing fluid are by the effect of high-velocity fluid, to entering the station, pipe network and equipment produce great sand cutting, can only discharge at present to sky.
Summary of the invention
The purpose of this utility model is that the modularization natural gas desanding in order to provide a kind of technique solved the problem simple, safe and reliable takes off liquid recovery system, sand, liquid in effective separating natural gas, enter the station to after the natural gas pressure regulating after purification, reduce the wasting of resources, reduce and pollute.
The technical solution of the utility model is:
The desanding of a kind of modularization natural gas takes off liquid recovery system, it is characterized in that: by pressure regulator valve group, one-level mud settling tank module, the horizontal desander module of secondary, tertiary filter module, pressure-reduction module, metering module and generator module composition, described one-level mud settling tank module has multistage blow-off line and multistage exhausting pipeline, described multistage blow-off line end is connected with storage tank, described multistage exhausting pipeline is connected with automatic torch, described secondary horizontal desander module is formed in parallel by two horizontal desanders, the air inlet port of described one-level mud settling tank module, connecting line and control valve is respectively equipped with between the air inlet port of two horizontal desanders and the gas outlet of pressure regulator valve group, the sewage draining exit of described secondary horizontal desander module utilizes pipeline to be connected to the multistage blow-off line of one-level mud settling tank module, described tertiary filter module is vertical filter screen formula strainer, the gas outlet of described one-level mud settling tank module and the horizontal desander module of secondary utilizes pipeline to be connected to the air inlet port of tertiary filter module, the described gas outlet of tertiary filter module is connected with the air inlet port of pressure-reduction module, the gas outlet of described pressure-reduction module is connected with generator module with metering module respectively, described generator module adopts natural gas generator.
Above-mentioned modularization natural gas desanding takes off liquid recovery system, and described one-level mud settling tank module adopts uncovered container, can reduce well head air resistance to greatest extent.
Above-mentioned modularization natural gas desanding takes off liquid recovery system, is provided with the profit cover of replaceable oil nozzle in described pressure regulator valve group.
The beneficial effects of the utility model are:
1, be applicable to the field work place of natural gas individual well, platform well, wherein each equipment is a module separately, has dedicated pipeline, data wire, pneumatic wire to be connected, be convenient to flexible assembling between module with module, adapts to need of production;
2, by changing the oil nozzle of different pore size in profit cover, the effective control to well opening natural gas power, flow velocity is realized;
3, one-level mud settling tank module, secondary desander module, tertiary filter module can carry out switching adjustment according to each stage of producing well, when another secondary desander module is produced, in system, equipment one master one is standby, individual well continuous seepage can be realized, do not affect the initial stage open flow effect of the natural gas well;
4, experiment proves, native system can reach more than 99% except sand coarse aggregate ratio, and liquid-removal rate reaches more than 95%, to gas pressure range-controllable within the scope of 0-35Mpa, process liquid measure be 50 sides/hour, natural gas processing amount be 50,000 sides/hour.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1. the horizontal desander module of well head, 2. pressure regulator valve group, 3. one-level mud settling tank module, 4. secondary, 5. tertiary filter module, 6. pressure-reduction module, 7. metering module, 8. automatic torch, 9. generator module, 10. storage tank, 11. bypass lines.
Detailed description of the invention
As shown in Figure 1, this modularization natural gas desanding takes off liquid recovery system, is made up of pressure regulator valve group 2, one-level mud settling tank module 3, the horizontal desander module 4 of secondary, tertiary filter module 5, pressure-reduction module 6, metering module 7 and generator module 9.Wherein, described one-level mud settling tank module 3 adopts uncovered container (separate modular), be positioned at system front end, the pressure regulator valve group 2 being connected directly between well head 1 exports, well head 1 air resistance can be reduced to greatest extent, described one-level mud settling tank module 3 has multistage blow-off line and multistage exhausting pipeline, described multistage blow-off line end is connected with storage tank 10, described multistage exhausting pipeline is connected with automatic torch 8, in the present embodiment, one-level mud settling tank module 3 is the pressure vessel of more than 10 cubic metres, blowdown liquid level can be set, automatically blowoff valve automatic pollution discharge is opened when reaching setting height, multistage exhausting pipeline can according to pressure automatic evacuation in tank.Described secondary horizontal desander module 4 is formed in parallel by two horizontal desanders, can one open one standby, also can two work simultaneously, the indoor design of secondary desander has high abrasion baffle plate, letting out sand mouth is quick opening valve, be furnished with special spanner to open, the air inlet port of described one-level mud settling tank, be respectively equipped with connecting line and control valve between the air inlet port of two horizontal desanders and the gas outlet of pressure regulator valve group 2, the sewage draining exit of described secondary horizontal desander module 4 utilizes pipeline to be connected to the multistage blow-off line of one-level mud settling tank module 3.Described tertiary filter module 5 is vertical filter screen formula strainer, the gas outlet of described one-level mud settling tank module 3 and the horizontal desander module 4 of secondary utilizes pipeline to be connected to the air inlet port of tertiary filter module 5, the gas outlet of described tertiary filter module 5 is connected with the air inlet port of pressure-reduction module 6, sled is integrated into pressure-reduction module 6, carry out fine filtering to the natural gas after two-stage desanding, filter screen needs to make regular check on and replacing.The gas outlet of described pressure-reduction module 6 is connected with generator module 9 with metering module 7 respectively, and described generator module 9 adopts natural gas generator, for an equipment module electricity consumption and heating use.The profit cover of replaceable oil nozzle is provided with in described pressure regulator valve group 2.Described automatic torch 8 is automatic detection, automatic ignition torch.
Operating principle: well head high-pressure natural gas band sand, band liquid enter native system from well head, control oil jacket pressure according to open flow stage reasonable selection oil nozzle, control to return lifting rate and sand production rate.Closed control, amplification discharge capacity stage put to one-level mud settling tank module 3 by pressure regulator valve group 2 is spacious, remove fracturing sand, fracturing outlet liquid a large amount of in natural gas gaseous mixture, gas is imported automatic torch 8 by roof door by gaseous mixture, on automatic torch 8, probe detects fuel gas ratio in gaseous mixture automatically, reach automatic ignition after fuel value, fracturing sand, return discharge opeing through automatically draining into storage tank 10 from bottom, flameholding, reach after pressure requirements and directly import tertiary filter module, to pressure-reduction module 6 heating under reduced pressure after essence filter, to enter the station pipe network by measuring rear input; Pressure increase, interval open flow stage, after progressively rising after well head pressure zero, open the bypass line 11 between one-level mud settling tank module 3 and the horizontal desander module 4 of secondary, high-pressure natural gas directly imports the horizontal desander module 4 of secondary, be separated a small amount of fracturing sand wherein and return discharge opeing, fracturing sand, return discharge opeing through entering one-level mud settling tank module 3 from outlet at bottom through header, storage tank 10 is entered through the metering of blowdown flow meter, natural gas enter tertiary filter module 5 essence filter, essence filter after natural gas reduce pressure through pressure-reduction module 6, heat, measure after enter the pipe network that enters the station.
Claims (3)
1. modularization natural gas desanding takes off liquid recovery system, it is characterized in that: by pressure regulator valve group, one-level mud settling tank module, the horizontal desander module of secondary, tertiary filter module, pressure-reduction module, metering module and generator module composition, described one-level mud settling tank module has multistage blow-off line and multistage exhausting pipeline, described multistage blow-off line end is connected with storage tank, described multistage exhausting pipeline is connected with automatic torch, described secondary horizontal desander module is formed in parallel by two horizontal desanders, the air inlet port of described one-level mud settling tank module, connecting line and control valve is respectively equipped with between the air inlet port of two horizontal desanders and the gas outlet of pressure regulator valve group, the sewage draining exit of described secondary horizontal desander module utilizes pipeline to be connected to the multistage blow-off line of one-level mud settling tank module, described tertiary filter module is vertical filter screen formula strainer, the gas outlet of described one-level mud settling tank module and the horizontal desander module of secondary utilizes pipeline to be connected to the air inlet port of tertiary filter module, the described gas outlet of tertiary filter module is connected with the air inlet port of pressure-reduction module, the gas outlet of described pressure-reduction module is connected with generator module with metering module respectively, described generator module adopts natural gas generator.
2. modularization natural gas according to claim 1 desanding takes off liquid recovery system, it is characterized in that: described one-level mud settling tank module adopts uncovered container.
3. modularization natural gas according to claim 1 desanding takes off liquid recovery system, it is characterized in that: the profit cover being provided with replaceable oil nozzle in described pressure regulator valve group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520963665.2U CN205154131U (en) | 2015-11-25 | 2015-11-25 | Liquid recovery system is taken off in degritting of modularization natural gas |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520963665.2U CN205154131U (en) | 2015-11-25 | 2015-11-25 | Liquid recovery system is taken off in degritting of modularization natural gas |
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| CN205154131U true CN205154131U (en) | 2016-04-13 |
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| CN201520963665.2U Expired - Fee Related CN205154131U (en) | 2015-11-25 | 2015-11-25 | Liquid recovery system is taken off in degritting of modularization natural gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060722A (en) * | 2016-10-26 | 2017-08-18 | 胜利油田瑞特石油机械制造有限责任公司 | High pressure cyclone filtering type natural gas desander |
| CN109695444A (en) * | 2019-02-03 | 2019-04-30 | 四川乐山伟业机电有限责任公司 | A kind of compound desander |
| CN114737931A (en) * | 2022-03-23 | 2022-07-12 | 四川宏华石油设备有限公司 | Natural gas desanding system and desanding method by utilizing pressure and flow velocity regulation |
-
2015
- 2015-11-25 CN CN201520963665.2U patent/CN205154131U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060722A (en) * | 2016-10-26 | 2017-08-18 | 胜利油田瑞特石油机械制造有限责任公司 | High pressure cyclone filtering type natural gas desander |
| CN109695444A (en) * | 2019-02-03 | 2019-04-30 | 四川乐山伟业机电有限责任公司 | A kind of compound desander |
| CN109695444B (en) * | 2019-02-03 | 2024-02-27 | 四川乐山伟业机电有限责任公司 | Duplex sand remover |
| CN114737931A (en) * | 2022-03-23 | 2022-07-12 | 四川宏华石油设备有限公司 | Natural gas desanding system and desanding method by utilizing pressure and flow velocity regulation |
| CN114737931B (en) * | 2022-03-23 | 2023-12-15 | 四川宏华石油设备有限公司 | Natural gas sand removal system and method using pressure and flow rate to adjust |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20211125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |