CN108019190A - A kind of totally-enclosed mixes defeated decompression circulation gas lift system - Google Patents
A kind of totally-enclosed mixes defeated decompression circulation gas lift system Download PDFInfo
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- CN108019190A CN108019190A CN201711421130.2A CN201711421130A CN108019190A CN 108019190 A CN108019190 A CN 108019190A CN 201711421130 A CN201711421130 A CN 201711421130A CN 108019190 A CN108019190 A CN 108019190A
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- 230000006837 decompression Effects 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000000926 separation method Methods 0.000 claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 18
- 241000191291 Abies alba Species 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 115
- 238000000034 method Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000002343 natural gas well Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000007664 blowing Methods 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000004927 fusion Effects 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 22
- 239000003345 natural gas Substances 0.000 description 12
- 241000521257 Hydrops Species 0.000 description 8
- 206010030113 Oedema Diseases 0.000 description 8
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/122—Gas lift
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/38—Arrangements for separating materials produced by the well in the well
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Jet Pumps And Other Pumps (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention discloses a kind of totally-enclosed to mix defeated decompression circulation gas lift system,Including christmas tree and gaslift mechanism,Christmas tree is provided with bushing pipeline,Oil pipe pipeline and multi-purpose station pipeline,Gaslift mechanism includes gas-purification mechanism and gas boosting mechanism,Gas-purification mechanism has air inlet,Gas outlet and liquid outlet,The air inlet of gas-purification mechanism taps into the oil pipe pipeline of mouth,Gas outlet connects the air inlet of gas boosting mechanism,Liquid outlet connects multi-purpose station pipeline,The gas outlet of gas boosting mechanism connects bushing pipeline,The present invention is that gaslift mechanism is added on the basis of existing christmas tree,Liquid after gaslift organizational separation is sent into multi-purpose station pipeline after mixing pump is pressurized and realizes the closed conveying without outer row,Realize circulation gaslift technique and mixed defeated decompression process integration fusion alternate application,The natural gas well is set to form a kind of benign cycle,Reach the equilibrium state of gas production and shaft bottom water yield,Realize high and stable yields of the natural gas well under blowing state,Energy conservation and environmental protection.
Description
Technical field
The present invention relates to a kind of totally-enclosed to mix defeated decompression circulation gas lift system, belongs to exploitation of oil-gas field technology field.
Background technology
With the increase of productive life, different degrees of hydrops is had in the natural gas well and is produced, hydrops can cause the production of gas well
Measure deep fades even stop-spraying.Current water drainage-gas recovery technology method has tapping mode（Closing well is pressed again, and throughput reaches when driving a well
Minimum takes aerogenesis discharge opeing after flow quantity）, bubble row（Hydrops foamed is set to reduce the kinematic viscosity and relative density of hydrops）, plunger gas
Lift（Discharge opeing is risen by piston gas-powered fluid column）, underground vortex（Liquid rate is taken by eddy current effect raising gas）, gas
Lift discharge opeing（Pass through oil pipe discharge opeing in oil jacket annular space injection gases at high pressure）Deng, wherein, gas lift liquid drainage technique is for watered-out well and production
The gas well of tolerance wretched insufficiency reproduces and increases production the effect for having and getting instant result.
In oil jacket annular space of the gas lift liquid drainage technique generally by the high-pressure air source injection natural gas well（Casing）, pass through oil pipe
Bottom（Or gas lift valve）Hydrops in gas well is discharged into well head by oil pipe, gas lift liquid drainage mode traditional at present has elevated pressure nitrogen
Gas gaslift, face the gaslift of well high-pressure air source, natural gas boosting gaslift etc..
Gas lift liquid drainage technique generally has aerogenesis stratum injury, and the application of gas lift liquid drainage technique also has certain application bar
Part and limitation, if excessively application can bring the grievous injury on nearly well aerogenesis stratum, cause nearly Jing Chucengshui to lock, can not be further
Output natural gas causes thorough stop-spraying, or needs long-time closing well to press again.
According to the exploitation basic principle of the general natural gas well, the height of well head oil pressure determines gas well yield and gas
Fluid-carrying capability.Under normal circumstances, well head oil pressure and outer defeated gas well when being pressed with pressure difference just have natural gas output and form yield, outer defeated
Pressure is generally dependent on the well head ductwork pressure in whole oil field, and general is metastable.Middle and later periods gas well shaft bottom pressure itself
Constantly decay, and the defeated pressure of outer wellhead is stable, so, the pressure difference of well head oil pressure and outer defeated pressure less and less can cause yield anxious
Play decay.Gaslift technique is actually to add bottom pressure, keeps stablizing output, and takes suitable pit shaft and shaft bottom product out of
Liquid.The discharge of pit shaft and shaft bottom hydrops is so that the mill resistance and the static pressure difference of wellbore effusion that gas flows in pit shaft further subtract
It is few, in the case where bottom pressure is stablized, well head oil pressure can be further improved, realizes steady production.
Current gas lift liquid drainage is realized by vehicle-mounted flowing gas lift liquid drainage device, if using this gas well gas and outside
During source of the gas of the gas transmission as compressor, will generally pre-treatment be carried out to source of the gas, the moisture content in gas and debris separation is laggard
Enter fluid reservoir to be transported with waterwheel, due to containing substantial amounts of liquid in many block gas wells, so causing secondary outer row and transport same
The a small amount of gas overflowings of Shi Huiyou, can not accomplish that totally-enclosed conveys, cause the of high cost of gaslift and the pollution to environment.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of realize and circulates gaslift technique and mixed defeated decompression technique one
Bodyization merges alternate application, and realizes that the totally-enclosed of the complete closed conveying of output gas-liquid mixes defeated decompression circulation gas lift system.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of totally-enclosed mixes defeated decompression circulation gas lift system, including christmas tree and gaslift mechanism, the christmas tree are provided with and oil
The bushing pipeline of set annular space connection and the oil pipe pipeline that is connected with oil pipe and outer defeated with bushing pipeline and oil pipe pipeline connection
Pipeline, the end of the multi-purpose station pipeline is outer defeated interface tube, and oil pressure transmitter, described sleeve pipe pipe are provided with the oil pipe pipeline
Set pressure transmitter is provided with road, flowmeter is provided with the multi-purpose station pipeline.
The gaslift mechanism includes gas-purification mechanism and gas boosting mechanism；The gas-purification mechanism has air inlet
Mouth, gas outlet and liquid outlet, the air inlet of the gas-purification mechanism connect the oil pipe pipeline, and gas outlet connects the gas boosting
The air inlet of mechanism, liquid outlet connect the multi-purpose station pipeline, and the gas outlet of the gas boosting mechanism connects described sleeve pipe pipeline.
Gas-purification mechanism includes air inlet separation buffer tank, whirlpool separator, cyclone separator, filter, moisture content absorption
Tank, accurate filter, plunger pump and gas fluid mixture pump；The gas boosting mechanism includes gas compressor.The air inlet separation
The air inlet of surge tank connects the oil pipe pipeline, and gas outlet connects the air inlet of the whirlpool separator, and liquid outlet connects the gas-liquid
The inlet of mixing pump；The gas outlet of the whirlpool separator connects the inlet end of the cyclone separator, and liquid outlet connects the column
Fill in the inlet of pump；The gas outlet of the cyclone separator connects the air inlet of the filter, and liquid outlet connects the plunger pump
Inlet；The gas outlet of the filter connects the air inlet of the moisture content adsorption tanks, and liquid outlet connects the inlet of the plunger pump；
The gas outlet of the moisture content adsorption tanks connects the air inlet of the accurate filter；The gas outlet of the accurate filter connects the combustion
The air inlet of air compressor, liquid outlet connect the inlet of the plunger pump；The liquid outlet of the plunger pump and gas fluid mixture pump
Liquid outlet connects the multi-purpose station pipeline by first check-valve and second check-valve respectively；The gas outlet of the gas compressor passes through
3rd check-valves connects described sleeve pipe pipeline.
Specifically, the air inlet of the air inlet separation buffer tank connects the pressure valve in the christmas tree, the gas pressure
The gas outlet of contracting machine connects the casing valve in described sleeve pipe pipeline by the 3rd check-valves, and the multi-purpose station pipeline is connect in oil pipe pipeline
Regulating valve.
The beneficial effects of the invention are as follows：The present invention adds gaslift mechanism, gaslift mechanism point on the basis of existing christmas tree
Liquid from after is sent into multi-purpose station pipeline after plunger pump is pressurized and realizes the closed conveying without outer row, circulates gaslift technique and mixing pump
Progressively reduce well head oil pressure in certain outer defeated pressure and realize mixed defeated decompression process integration fusion alternate application, when hydrops is serious
When by circulating gaslift so that hydrops is discharged in time, when the nearly outer defeated pressure of well head oil crimping, is separated by mixing pump from air inlet slow
Rush pot bottom liquids and gases are mixed and transport to outer defeated pipe, while on the premise of defeated pressure is stablized outside, reduce the raising of well head oil pressure
Gas well yield, makes the natural gas well form a kind of benign cycle, reaches the equilibrium state of gas production and shaft bottom water yield, realizes natural
High and stable yields of the gas well under blowing state, energy conservation and environmental protection.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the system structure diagram of the present invention.
Embodiment
With reference to Fig. 1, a kind of totally-enclosed mixes defeated decompression circulation gas lift system, including christmas tree and gaslift mechanism, the gas production
Tree be provided with the bushing pipeline connected with oil jacket annular space 1 and the oil pipe pipeline connected with oil pipe 2 and with bushing pipeline and oil pipe
The multi-purpose station pipeline of pipeline connection, the end of the multi-purpose station pipeline is outer defeated interface tube 3, and oil pressure change is provided with the oil pipe pipeline
Device 19 is sent, set pressure transmitter 20 is provided with described sleeve pipe pipeline, flowmeter 21 is provided with the multi-purpose station pipeline.
The gaslift mechanism includes gas-purification mechanism and gas boosting mechanism；The gas-purification mechanism has air inlet
Mouth, gas outlet and liquid outlet, the air inlet of the gas-purification mechanism connect the oil pipe pipeline, and gas outlet connects the gas boosting
The air inlet of mechanism, liquid outlet connect the multi-purpose station pipeline, and the gas outlet of the gas boosting mechanism connects described sleeve pipe pipeline.
The gas-purification mechanism include air inlet separation buffer tank 4, whirlpool separator 5, cyclone separator 6, filter 7,
Moisture content adsorption tanks 8, accurate filter 9, plunger pump 11 and gas fluid mixture pump 12；The gas boosting mechanism includes gas compressor
10（Gas-engine-driven compressor）.The air inlet of the air inlet separation buffer tank 4 connects the oil pipe pipeline, and gas outlet connects
The air inlet of the whirlpool separator 5, liquid outlet connect the inlet of the gas fluid mixture pump 12；The whirlpool separator 5 goes out
Gas port connects the inlet end of the cyclone separator 6, and liquid outlet connects the inlet of the plunger pump 11；The cyclone separator 6
Gas outlet connects the air inlet of the filter 7, and liquid outlet connects the inlet of the plunger pump 11；The gas outlet of the filter 7
The air inlet of the moisture content adsorption tanks 8 is connect, liquid outlet connects the inlet of the plunger pump 11；The outlet of the moisture content adsorption tanks 8
Mouth connects the air inlet of the accurate filter 9；The gas outlet of the accurate filter 9 connects the air inlet of the gas compressor 10
（Combustion gas transmitter air inlet and compressor gas air inlet）, liquid outlet connects the inlet of the plunger pump 11；The plunger pump
11 liquid outlet and the liquid outlet of gas fluid mixture pump 12 are connect described outer defeated by first check-valve 13 and second check-valve 14 respectively
Pipeline, is provided with valve 22 between first check-valve 13 and second check-valve 14 and multi-purpose station pipeline；The gas compressor 10
Gas outlet（Gases at high pressure gas outlet）Described sleeve pipe pipeline is connect by the 3rd check-valves 15.
Specifically, the air inlet of the air inlet separation buffer tank 4 connects the pressure valve of the christmas tree in the oil pipe pipeline
16, the gas outlet of the gas compressor 10 connects the casing valve 17 in described sleeve pipe pipeline by the 3rd check-valves 15, described outer
Defeated pipeline connects the regulating valve 18 in oil pipe pipeline.
The output gas-liquid mixture of the natural gas well initially enters air inlet separation buffer tank 4, to the gas-liquid mixture of well head into
The preliminary gas-liquid separation of row, is equipped with the cylindrical separator with isolating cylinder in the entrance of air inlet separation buffer tank 4 and is separated into action edge,
Initial gross separation of the sedimentation realization to gas-liquid mixture is carried out in tank body space at the same time, from the gas outlet of air inlet separation buffer tank 4
The gas of discharge is substantially free of liquid water（Oil）, liquid sedimentation tank body lower part enter gas fluid mixture pump 12 in, sent after pressurized
Enter multi-purpose station pipeline, realize the closed conveying without outer liquid.
The gas discharged from air inlet separation buffer tank 4 enters fog-like liquid in the further separating natural gas of whirlpool separator 5,
Then cyclone separator 6 reduces the moisture content in natural gas, then sequentially enters filter 7 again, moisture content adsorption tanks 8 further drop
The moisture content of low gas, finally enters the powder that accurate filter 9 filters out molecular sieve in moisture content adsorption tanks 8, makes from accurate mistake
The natural gas of the gas outlet discharge of filter 9 reaches the requirement of gas engine and compressor to gas purification degree, protects combustion gas compression
Machine securely and reliably works, and the liquid produced in purification process is sent into multi-purpose station pipeline after pressurizeing by plunger pump 11, realizes without outer row
Closed conveying.
The present invention uses double pump scheme, is due to that the pressure of separator produces pressure difference less than buffer tank pressure, gas
Liquid mixing pump can directly realize gas-liquid delivery, export（At outer defeated interface tube, outer defeated pressure）In the case of pressure stability, pass through gas
Liquid mixing pump realizes that reducing well head oil pressure, that is, gas fluid mixture pump realizes the pressure difference for mixing defeated decompression, raising oil pressure and outer defeated pressure, at the same time
The liquid that separator-filter is separated is pressurizeed by plunger pump and uses plunger pump to realize the pressurized delivered of separating liquid to outer
Defeated pipe, realizes that separation the liquid closed of sum is conveyed into outer defeated pipe.
When carrying out circulation gaslift technique, gas compressor is the well opening natural gas contracting pressurization injection oil jacket by purification
Annular space（Casing）It is interior, complete the gas injection function in gaslift technique.Christmas tree fuel tap is closed at this time, the gas in oil pipe constantly by
Compression pressurization injection oil jacket annular space, realizes that this well circulates gaslift；Oil pressure gradually reduces, and casing pressure is stepped up, the fluid column in oil pipe
Constantly rise final discharge well mouth oil pipe, realize gas lift liquid drainage；When this well amount of natural gas is insufficient can from outer defeated pipe or
Lin Jing takes gas pressurization injection oil jacket annular space（Casing）.
After the completion of circulation gaslift is fluid column discharge well head discharge opeing in pit shaft, gas compressor stops output high pressure gas at this time
Body, gas fluid mixture pump, which starts to work well head natural gas to pressurize, injects multi-purpose station pipeline, since outer defeated pressure is metastable, so
Well head oil pressure gradually reduces, and the natural gas volume expanding gas flow velocity in oil pipe greatly improves, and the water rate of taking of gas also carries significantly
Height, at this time the liquid in the pore of near wellbore formation be constantly carried out, maintenance can start to improve after a certain period of time near
The quantum of output and bottom pressure of the natural gas on well stratum, form a kind of benign cycle, with the liquid quilt in landing surface internal hair pore
Take out of, gas release pressure, which reduces, can cause more natural gases to be released output in stratum, reach gas production and shaft bottom production
The equilibrium state of water, realizes high and stable yields of the natural gas well under blowing state.
Embodiment above cannot limit the protection domain of the invention, and the personnel of professional skill field are not departing from
In the case of the invention general idea, the impartial modification and change done, still fall within the scope that the invention is covered
Within.
Claims (6)
1. a kind of totally-enclosed mixes defeated decompression circulation gas lift system, including christmas tree, the christmas tree are provided with and oil jacket annular space（1）
The bushing pipeline of connection and and oil pipe（2）The oil pipe pipeline of connection and with bushing pipeline and the outer defeated pipe of oil pipe pipeline connection
Road, the end of the multi-purpose station pipeline is outer defeated interface tube（3）, it is characterised in that the system further includes gaslift mechanism, the gaslift
Mechanism includes gas-purification mechanism and gas boosting mechanism；The gas-purification mechanism has air inlet, gas outlet and liquid outlet,
The air inlet of the gas-purification mechanism connects the oil pipe pipeline, and gas outlet connects the air inlet of the gas boosting mechanism, goes out liquid
Mouth connects the multi-purpose station pipeline, and the gas outlet of the gas boosting mechanism connects described sleeve pipe pipeline.
2. totally-enclosed according to claim 1 mixes defeated decompression circulation gas lift system, it is characterised in that the gas-purification machine
Structure includes air inlet separation buffer tank（4）, whirlpool separator（5）, cyclone separator（6）, filter（7）, moisture content adsorption tanks（8）、
Accurate filter（9）, plunger pump（11）And gas fluid mixture pump（12）；The gas boosting mechanism includes gas compressor（10）；
The air inlet separation buffer tank（4）Air inlet connect the oil pipe pipeline, gas outlet connects the whirlpool separator（5）Air inlet
Mouthful, liquid outlet connects the gas fluid mixture pump（12）Inlet；The whirlpool separator（5）Gas outlet connect the cyclonic separation
Device（6）Inlet end, liquid outlet connects the plunger pump（11）Inlet；The cyclone separator（6）Gas outlet connect it is described
Filter（7）Air inlet, liquid outlet connects the plunger pump（11）Inlet；The filter（7）Gas outlet connect it is described
Moisture content adsorption tanks（8）Air inlet, liquid outlet connects the plunger pump（11）Inlet；The moisture content adsorption tanks（8）Outlet
Mouth connects the accurate filter（9）Air inlet；The accurate filter（9）Gas outlet connect the gas compressor（10）'s
Air inlet, liquid outlet connect the plunger pump（11）Inlet；The plunger pump（11）Liquid outlet and gas fluid mixture pump（12）
Liquid outlet pass through first check-valve respectively（13）And second check-valve（14）Connect the multi-purpose station pipeline；The gas compressor
（10）Gas outlet pass through the 3rd check-valves（15）Connect described sleeve pipe pipeline.
3. totally-enclosed according to claim 1 mixes defeated decompression circulation gas lift system, it is characterised in that the air inlet separation is slow
Rush tank（4）Air inlet connect pressure valve in the christmas tree（16）.
4. totally-enclosed according to claim 2 mixes defeated decompression circulation gas lift system, it is characterised in that the gas compressor
（10）Gas outlet pass through the 3rd check-valves（15）Connect the casing valve in described sleeve pipe pipeline（17）.
5. totally-enclosed according to claim 1 mixes defeated decompression circulation gas lift system, it is characterised in that the multi-purpose station pipeline connects
Regulating valve in oil pipe pipeline（18）.
6. totally-enclosed according to claim 1 mixes defeated decompression circulation gas lift system, it is characterised in that in the oil pipe pipeline
It is provided with oil pressure transmitter（19）, set pressure transmitter is provided with described sleeve pipe pipeline（20）, it is provided with the multi-purpose station pipeline
Flowmeter（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421130.2A CN108019190B (en) | 2017-12-25 | 2017-12-25 | Full-closed mixed transportation depressurization circulating gas lift system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421130.2A CN108019190B (en) | 2017-12-25 | 2017-12-25 | Full-closed mixed transportation depressurization circulating gas lift system |
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| CN108019190A true CN108019190A (en) | 2018-05-11 |
| CN108019190B CN108019190B (en) | 2023-07-25 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109025901A (en) * | 2018-09-18 | 2018-12-18 | 中国石油集团西部钻探工程有限公司 | Wellhead assembly is opened between gas well automation |
| CN110397424A (en) * | 2019-07-11 | 2019-11-01 | 中国石油工程建设有限公司 | A kind of deep water gas hydrates production system and method based on decompression exploitation |
| CN111042772A (en) * | 2019-11-22 | 2020-04-21 | 中国石油天然气股份有限公司 | Inter-well series connection drainage gas recovery device and drainage gas recovery method |
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| CN114412427A (en) * | 2020-10-12 | 2022-04-29 | 北京星油科技有限公司 | Gas lift and production integrated oil and gas exploitation system |
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| CN117605443A (en) * | 2023-12-06 | 2024-02-27 | 广东佛燃科技有限公司 | System for realizing gas lift and wellhead pressurization by using gas produced by gas well as gas source |
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| CN109025901A (en) * | 2018-09-18 | 2018-12-18 | 中国石油集团西部钻探工程有限公司 | Wellhead assembly is opened between gas well automation |
| CN110397424A (en) * | 2019-07-11 | 2019-11-01 | 中国石油工程建设有限公司 | A kind of deep water gas hydrates production system and method based on decompression exploitation |
| CN110397424B (en) * | 2019-07-11 | 2024-05-31 | 中国石油工程建设有限公司 | Deep water natural gas hydrate production system and method based on depressurization exploitation |
| CN111042772A (en) * | 2019-11-22 | 2020-04-21 | 中国石油天然气股份有限公司 | Inter-well series connection drainage gas recovery device and drainage gas recovery method |
| CN114412427A (en) * | 2020-10-12 | 2022-04-29 | 北京星油科技有限公司 | Gas lift and production integrated oil and gas exploitation system |
| CN114412427B (en) * | 2020-10-12 | 2023-11-14 | 北京星油科技有限公司 | Gas lift and production integrated oil gas exploitation system |
| CN112459748A (en) * | 2020-11-05 | 2021-03-09 | 中国石油天然气股份有限公司 | Single-point high-pressure gas lift drainage and gas increase process system and method |
| CN114809991A (en) * | 2022-04-14 | 2022-07-29 | 重庆非常规油气研究院有限公司 | Shale gas well pressure-reducing and production-recovering method |
| CN117605443A (en) * | 2023-12-06 | 2024-02-27 | 广东佛燃科技有限公司 | System for realizing gas lift and wellhead pressurization by using gas produced by gas well as gas source |
| CN117948103A (en) * | 2024-03-25 | 2024-04-30 | 洛阳宏润塑业有限公司 | Oilfield gas production pressurization system and process thereof |
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