CN103912244A - Mobile compressor gas lift - Google Patents
Mobile compressor gas lift Download PDFInfo
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- CN103912244A CN103912244A CN201410126027.5A CN201410126027A CN103912244A CN 103912244 A CN103912244 A CN 103912244A CN 201410126027 A CN201410126027 A CN 201410126027A CN 103912244 A CN103912244 A CN 103912244A
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Abstract
The invention relates to a mobile compressor gas lift. The mobile compressor gas lift is characterized by comprising a compressor gas lift vehicle loaded with a compressor (1), a wellhead external-delivery pipeline, a four-way control valve, a gas intake pipeline equipped with a pressure stabilizer, a two-phase separator, a sewage tank, a flow meter, an intercepting valve and wellhead equipment. The wellhead external-delivery pipeline is connected with a gas gathering station, natural gas from the gas gathering station enters the mobile compressor gas lift through the wellhead external-delivery pipeline and then enters the gas intake pipeline equipped with the pressure stabilizer via control of the four-way control valve, and the gas intake pipeline equipped with the pressure stabilizer is connected with the compressor (1). The mobile compressor gas lift is high in conformability, large in displacement range, convenient in gas source and free of limits of a well structure; since the gas source needs not to be produced additionally during construction, dissipated energy is saved by one half nearly as compared with that of a nitrogen gas lift.
Description
Technical field
The invention belongs to oil gas field production gas technology field, relate to a kind of protable compressor gas lift liquid drainage equipment.
Background technology
Existing oil gas field liquid discharging gas producing technique mainly contains following two kinds.
1, drainage with liquid nitrogen gas producing technology
This technique is to utilize liquid nitrogen to inject oil well casing annular space space, and the high pressure nitrogen after gasification enters oil pipe lifting discharge opeing from screen casing, uses liquid nitrogen car discharge opeing, and its infusion pressure is high, and injection rate is large, and discharge opeing is effective, and mobility is large.
But this technique has following shortcoming: lifting limited time continuously, is applicable to gas well and high, the special nitrogen source of the gas of cost that a lifting just can be got rid of shaft bottom hydrops for several hours.
2, nitrogen car liquid discharging gas producing processed
This technique is to utilize membrane filtration to manufacture nitrogen, then carries out nitrogen pressurization and injects oil well casing annular space, and operating principle is with liquid nitrogen water pumping gas production, and advantage is to have overcome liquid nitrogen water drainage-gas recovery technology.
But this technique has following shortcoming: cannot work long hours and the not convenient shortcoming of source of the gas, but filtration in-situ is manufactured nitrogen, power consumption is high, tolerance is limited, cost of production is high.
Summary of the invention
Main purpose of the present invention is prior art to improve, a kind of natural gas compressor liquid discharging gas producing technique has been proposed, it utilizes ground well head mobile natural gas compressor, main natural gas boosting is injected to tubing and casing annular space, and enter oil pipe by gas injection point, thereby reduce tube fluid density, minimizing slippage. reduce the air water two-phase pressure loss, it has the feature of large discharge capacity, high flow rate production, shaft bottom and pit shaft hydrops are carried to ground, reach watered-out well and reproduce target.
According to embodiments of the invention, a kind of protable compressor gaslift is provided, it is characterized in that, described protable compressor gaslift comprises: the compressor gaslift car that is loaded with compressor (1), well head external transport pipeline, four-way control valve, the admission line of stabilizator is housed, two phase separator, Water Tank, flow meter, block valve, wellhead equipment, wherein, described well head external transport pipeline is connected with gas gathering station, natural gas from gas gathering station enters described protable compressor gaslift by described well head external transport pipeline, wherein, via the control of described four-way control valve, enter the admission line that stabilizator is housed from the natural gas of gas gathering station, wherein, the described admission line that stabilizator is housed is connected with described compressor (1), be used for the natural gas from gas gathering station through being input to described compressor (1) after voltage stabilizing, wherein, described compressor (1) has exhaust opening (2), described compressor (1) is used for the natural gas of input to carry out 4 grades of compressions, and send into wellhead assembly by carrying out 4 grades of compressions natural gas afterwards by exhaust opening (2), described wellhead assembly is used for returning out shaft bottom gas-liquid, shaft bottom gas-liquid enters two phase separator by pipeline and carries out gas-liquid separation, the isolated liquid of described two phase separator enters described Water Tank by pipeline, isolated gas is through described flow meter and described block valve, enter gas gathering station by described well head external transport pipeline.
According to embodiments of the invention, described compressor (1) also has sewage draining exit (3), described sewage draining exit (3) is connected with described Water Tank, and described sewage draining exit (3) is separated natural gas in carrying out the process of 4 grades of compressions through compressor (1) liquid by inner piece-rate system enters described Water Tank.
According to embodiments of the invention, described shaft bottom gas-liquid is produced needle-valve pipeline by being provided with enters two phase separator.
According to embodiments of the invention, the outlet of described flow meter is connected with described well head external transport pipeline.
By above technical scheme, beneficial effect of the present invention is as follows: conformability is strong, and discharge capacity scope is large, and source of the gas is convenient, not limited by casing programme, due in construction without the extra source of the gas of manufacturing, compare with nitrogen gaslift, half is almost saved in power consumption; In addition, the liquid that source of the gas gas (natural gas) is separated by inner piece-rate system in through 4 grades of compression processes of compressor enters Water Tank by the sewage draining exit being arranged on compressor, is conducive to environmental protection; In addition, store by Water Tank the aforesaid liquid that sewage draining exit is discharged, be also conducive to further recycling, and alleviate the sewerage treatment workload in operation.
Brief description of the drawings
Fig. 1 is the schematic diagram of protable compressor gas lift liquid drainage equipment according to an embodiment of the invention.
Detailed description of the invention
Below in conjunction with embodiment, the specific embodiment of the present invention is further described, advantage and disadvantage of the present invention will be more clear along with description.But these embodiment are only exemplary, scope of the present invention are not formed to any restriction.
Fig. 1 is the schematic diagram of protable compressor gas lift liquid drainage equipment (can referred to as protable compressor gaslift) according to an embodiment of the invention.It should be noted that, Fig. 1 is only for to be used for illustrating the schematic diagram of principle of the present invention, and do not mean that limitation of the present invention, and wherein each element is unnecessary corresponding one by one with the various piece in embodiments of the invention.Those skilled in the art will appreciate that in Fig. 1 and may omit some part of protable compressor gas lift liquid drainage equipment according to an embodiment of the invention, in addition, some part shown in Fig. 1 also may not be mentioned in the following description.
As shown in Figure 1, mainly comprising of protable compressor gas lift liquid drainage equipment according to an embodiment of the invention: the compressor gaslift car, well head external transport pipeline, the admission line that stabilizator is housed, four-way control valve, two phase separator, Water Tank, flow meter, block valve, the wellhead equipment that are loaded with compressor 1.
Wherein, described well head external transport pipeline is connected with gas gathering station, enters protable compressor gas lift liquid drainage equipment from the natural gas of gas gathering station by described well head external transport pipeline.And the isolated natural gas of described two phase separator also enters gas gathering station by described well head external transport pipeline.
Wherein, via the control of four-way control valve, the admission line that stabilizator is housed is connected with described compressor 1, is used for the natural gas from gas gathering station through being input to described compressor 1 after voltage stabilizing.
Described compressor 1 is used for the natural gas of input to carry out 4 grades of compressions.Described compressor 1 has exhaust opening 2, sewage draining exit 3.Described exhaust opening 2 is used for sending carried out 4 grades of compressions natural gas afterwards by described compressor 1 into wellhead assembly.The sewage that described sewage draining exit 3 is used for discharging is the liquid that source of the gas gas is separated by inner piece-rate system in through 4 grades of compression processes of compressor, and this liquid enters Water Tank, is conducive to environmental protection.In addition, store by Water Tank the aforesaid liquid that sewage draining exit 3 is discharged, be also conducive to further recycling, and alleviate the sewerage treatment workload in operation.
Described wellhead assembly is used for returning out shaft bottom gas-liquid, shaft bottom gas-liquid is produced the pipeline of needle-valve and is entered two phase separator and carry out gas-liquid separation by being provided with, the isolated liquid of described two phase separator enters described Water Tank, and isolated gas passes through flow meter and block valve, enters gas gathering station by described well head external transport pipeline.
The following describes the gaslift technique of protable compressor gas lift liquid drainage equipment according to an embodiment of the invention.
The compressor source of the gas of protable compressor gas lift liquid drainage equipment can adopt the natural gas in gas gathering station according to an embodiment of the invention, by well head external transport pipeline (" to gas gathering station " part shown in left side in figure), natural gas is first imported to four-way (the T-shaped part in " flow meter " left side in figure)., then by four-way control valve control, and then make natural gas pass through admission line (stabilizator is wherein housed) to enter compressor 1 then.Then, natural gas, by after 4 grades of compressions of compressor, enters wellhead assembly from exhaust opening 2, and is lifted well oil jacket annular space.Meanwhile, shaft bottom gas-liquid is returned out (gas well resurrection) by oil pipe again.Shaft bottom gas-liquid first enters two phase separator by the production needle-valve of wellhead assembly and carries out gas-liquid separation, fluid separation applications is entered to sewage and fill with, and the natural gas after separation enters gas gathering station by well head external transport pipeline again.
Embodiments of the invention are for example understood above.It will be understood by those skilled in the art that lower without departing from the spirit and scope of the present invention and can the details of technical solution of the present invention and form be modified or be replaced, but these amendments and replacement all fall within the scope of protection of the present invention.
Claims (4)
1. a protable compressor gaslift, it is characterized in that, described protable compressor gaslift comprises: the compressor gaslift car, well head external transport pipeline, four-way control valve, the admission line that stabilizator is housed, two phase separator, Water Tank, flow meter, block valve, the wellhead equipment that are loaded with compressor (1)
Wherein, described well head external transport pipeline is connected with gas gathering station, enters described protable compressor gaslift from the natural gas of gas gathering station by described well head external transport pipeline,
Wherein, via the control of described four-way control valve, enter the admission line that stabilizator is housed from the natural gas of gas gathering station,
Wherein, described in stabilizator is housed admission line be connected with described compressor (1), be used for the natural gas from gas gathering station through being input to described compressor (1) after voltage stabilizing,
Wherein, described compressor (1) has exhaust opening (2), and described compressor (1) is used for the natural gas of input to carry out 4 grades of compressions, and sends into wellhead assembly by carrying out 4 grades of compressions natural gas afterwards by exhaust opening (2),
Described wellhead assembly is used for returning out shaft bottom gas-liquid, shaft bottom gas-liquid enters two phase separator by pipeline and carries out gas-liquid separation, the isolated liquid of described two phase separator enters described Water Tank by pipeline, and isolated gas passes through described flow meter and described block valve, enters gas gathering station by described well head external transport pipeline.
2. protable compressor gaslift according to claim 1, it is characterized in that, described compressor (1) also has sewage draining exit (3), described sewage draining exit (3) is connected with described Water Tank, and described sewage draining exit (3) is separated natural gas in carrying out the process of 4 grades of compressions through compressor (1) liquid by inner piece-rate system enters described Water Tank.
3. protable compressor gaslift according to claim 1 and 2, is characterized in that, described shaft bottom gas-liquid is produced needle-valve pipeline by being provided with enters two phase separator.
4. protable compressor gaslift according to claim 1 and 2, is characterized in that, the outlet of described flow meter is connected with described well head external transport pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410126027.5A CN103912244A (en) | 2014-03-31 | 2014-03-31 | Mobile compressor gas lift |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410126027.5A CN103912244A (en) | 2014-03-31 | 2014-03-31 | Mobile compressor gas lift |
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| CN103912244A true CN103912244A (en) | 2014-07-09 |
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| CN201410126027.5A Pending CN103912244A (en) | 2014-03-31 | 2014-03-31 | Mobile compressor gas lift |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208471A (en) * | 2014-10-07 | 2017-09-26 | 通用电气石油和天然气公司 | Double service compressor assemblies for adjusting the hydrocarbon gas |
| CN108868699A (en) * | 2018-06-19 | 2018-11-23 | 江苏丰泰流体机械科技有限公司 | Synchronous revolving continuous gaslift equipment |
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| US6129150A (en) * | 1996-06-12 | 2000-10-10 | Petroleo Brasileiro S.A. - Petrobras | Method and equipment for offshore oil production by intermittent gas injection |
| CN201884015U (en) * | 2010-12-10 | 2011-06-29 | 中国石油天然气股份有限公司 | Liquid drainage and gas production system for gas wells |
| CN202000987U (en) * | 2011-03-10 | 2011-10-05 | 中国石油天然气股份有限公司 | Sewage separately discharging and storing device for gas gathering station of oil and gas field |
| CN202064905U (en) * | 2011-05-13 | 2011-12-07 | 中国石油天然气股份有限公司 | Gas lifting and liquid discharging device for vehicle natural gas compressor |
| CN103277081A (en) * | 2013-05-29 | 2013-09-04 | 北京惠博普能源技术有限责任公司 | Treatment process and device for oil-water well fractured and acidified flowback liquid |
| CN203783548U (en) * | 2014-03-31 | 2014-08-20 | 北京恩瑞达科技有限公司 | Movable compressor gas lift |
-
2014
- 2014-03-31 CN CN201410126027.5A patent/CN103912244A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6129150A (en) * | 1996-06-12 | 2000-10-10 | Petroleo Brasileiro S.A. - Petrobras | Method and equipment for offshore oil production by intermittent gas injection |
| CN201884015U (en) * | 2010-12-10 | 2011-06-29 | 中国石油天然气股份有限公司 | Liquid drainage and gas production system for gas wells |
| CN202000987U (en) * | 2011-03-10 | 2011-10-05 | 中国石油天然气股份有限公司 | Sewage separately discharging and storing device for gas gathering station of oil and gas field |
| CN202064905U (en) * | 2011-05-13 | 2011-12-07 | 中国石油天然气股份有限公司 | Gas lifting and liquid discharging device for vehicle natural gas compressor |
| CN103277081A (en) * | 2013-05-29 | 2013-09-04 | 北京惠博普能源技术有限责任公司 | Treatment process and device for oil-water well fractured and acidified flowback liquid |
| CN203783548U (en) * | 2014-03-31 | 2014-08-20 | 北京恩瑞达科技有限公司 | Movable compressor gas lift |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107208471A (en) * | 2014-10-07 | 2017-09-26 | 通用电气石油和天然气公司 | Double service compressor assemblies for adjusting the hydrocarbon gas |
| CN108868699A (en) * | 2018-06-19 | 2018-11-23 | 江苏丰泰流体机械科技有限公司 | Synchronous revolving continuous gaslift equipment |
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Address after: 100192, room 1106, B, fortune 8, science and technology center, science learning road, Haidian District, Beijing Applicant after: BEIJING ENRUIDA TECHNOLOGY CO., LTD. Address before: 100192, room 1106, B, fortune 8, science and technology center, science learning road, Haidian District, Beijing Applicant before: Beijing Enruida Technology Co., Ltd. |
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Application publication date: 20140709 |