CN101915074B - Oil field well casing gas recovery device and process - Google Patents
Oil field well casing gas recovery device and process Download PDFInfo
- Publication number
- CN101915074B CN101915074B CN 201010256380 CN201010256380A CN101915074B CN 101915074 B CN101915074 B CN 101915074B CN 201010256380 CN201010256380 CN 201010256380 CN 201010256380 A CN201010256380 A CN 201010256380A CN 101915074 B CN101915074 B CN 101915074B
- Authority
- CN
- China
- Prior art keywords
- oil
- pipeline
- synchronous revolving
- casing gas
- revolving compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an associated gas recovery process in the oil field oil extraction process, in particular to an oil field well casing gas recovery device and an oil field well casing gas recovery process. The process is characterized in that: when a part of oil from a well mouth is connected with an inlet port pipeline of a synchronal rotary compressor through a first-path pipeline with a throttle valve, a ball valve and a filter, the part of the oil from the well mouth of the first-path pipeline enters the synchronal rotary compressor to seal, lubricate and cool the synchronal rotary compressor, the other part of the oil is transported to a downstream pipeline under the action of an oil extractor, and the casing gas of a second-path pipeline is pressurized by the synchronal rotary compressor and is pressed into an oil pipe for transport so as to pressurize and recover the casing gas. The invention provides the oil field well casing gas recovery device and the oil field well casing gas recovery process which can effectively reduce the return pressure of the well mouth, improve oil extraction working conditions and reduce the energy consumption of the oil extractor.
Description
Technical field
The present invention relates to associated gas recovery technique, particularly a kind of oil field well casing gas recovery device and technique in a kind of crude oil recovery process.
Background technology
During the crude oil exploitation, production wellhead is comprised of oil pipe and sleeve pipe, and crude oil is defeated outside oil pumper is extracted out from oil pipe, and the associated gas of separating out from crude oil in the oil well bottom then is distributed in the sleeve pipe, and this part associated gas is called casing gas.
When casing gas pressure during greater than the well mouth oil pipe oil pressure, casing gas can directly enter oil pipe with Crude Oil Transportation.
When casing gas pressure is lower than the well mouth oil pipe oil pressure, need to carry being pressed into oil pipe after the casing gas supercharging, owing to lack at present suitable supercharging technology and equipment, cause a large amount of casing gas can not be by effective recycling, can only emptying after well head applies a torch burning.Both wasted the petroleum resources of a large amount of preciousnesses, increased again the carbon emission amount, severe contamination atmospheric environment, also affect oil security production.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can effectively reduce wellhead back pressure, improve the oil recovery operating mode, reduce a kind of oil field well casing gas recovery device and the technique of oil pumper energy consumption.
The object of the present invention is achieved like this, a kind of oil field well casing gas recovery device, it is characterized in that: comprise that synchronous revolving compressor, well head come crude oil, well head to come casing gas, valve pipeline and oil pumper, well head comes crude oil to pass through to be connected with an inlet port pipeline of synchronous revolving compressor with the first via pipeline of choke valve, ball valve and strainer; Well head comes casing gas to pass through to be connected with another inlet port pipeline of synchronous revolving compressor with the second road pipeline of choke valve, ball valve and strainer; The compression port of export of synchronous revolving compressor is connected with the downstream pipeline by the output pipe that flap valve, surge tank and vent ball valve are arranged is connected in series.
Be serially connected with safety overflow valve on the described first via pipeline.
Be serially connected with respectively outlet non-return valve on described the second road pipeline and the output pipe.
Surge tank on the described output pipe is connected with the safety overflow valve pipeline of first via pipeline.
A kind of recovery technique based on oil field well casing gas recovery device, its technique is: pass through with choke valve when well head comes the part of crude oil, the first via pipeline of ball valve and strainer is connected with an inlet port pipeline of synchronous revolving compressor, the well head of first via pipeline comes the part of crude oil to enter synchronous revolving compressor, carry out airtight to synchronous revolving compressor, lubrication and cooling, another part crude oil is delivered to the downstream pipeline under the oil pumper effect, the casing gas of the second road pipeline is pressed into oil pipe and carries after the synchronous revolving compressor supercharging, realize the purpose that the casing gas supercharging is reclaimed.
Advantage of the present invention is: the operation that realizes simultaneously two kinds of patterns in service of synchronous revolving compressor recovery of casing gas: a kind of is that the part of Wellhead crue oil enters compressor, compressor is played airtight, lubrication and cooling effect, most of crude oil is delivered to the downstream under the oil pumper effect, be pressed into oil pipe after the compressed machine supercharging of casing gas and carry, realize the purpose that the casing gas supercharging is reclaimed; All crude oil and casing gas that another kind of pattern is well head all enter compressor, and the downstream is transported in compressed machine supercharging.Under this operating mode, oil pumper only plays a part crude oil is inputted compressor.And the conveying of crude oil and casing gas is finished by compressor.Get power of motor by the reasonable disposition compressor like this, just can increase considerably the defeated radius of collection of oil well crude oil.Thereby be implemented in defeated middle the minimizing or the middle cloth of cancellation station of oilfield collection, simplify Oil-Gas Gathering Technology flow process, reduction construction investment and operational management cost.
Description of drawings
The invention will be further described below in conjunction with the embodiment accompanying drawing:
Fig. 1 is embodiment of the invention structural representation.
Among the figure: 1. synchronous revolving compressor; 2. the second road ball valve; 3. the second pipe filter; 4. the No. the second flow meter; 5. the No. the second flap valve; 6. the No. the second choke valve; 7. the No. the second pressure meter; 8. first via ball valve; 9. safety overflow valve; 10. first via strainer; 11. first via flow meter; 12. first via choke valve; 13. first via pressure meter; 14. outlet non-return valve; 15. surge tank; 16. delivery gauge; 17. vent ball valve; 18. well head comes crude oil; 19. well head comes casing gas; 20. downstream pipeline; 21. oil pumper; 22, the first inlet port; 23, the second inlet port; 24, the compression port of export.
The specific embodiment
As shown in Figure 1, a kind of oil field well casing gas recovery device, it is characterized in that: comprise that synchronous revolving compressor 1, well head come crude oil 18, well head to come casing gas 19, valve pipeline and oil pumper 21, well head comes crude oil 18 to be connected with the first inlet port 22 pipelines of synchronous revolving compressor 1 by the first via pipeline with first via ball valve 8, safety overflow valve 9, first via strainer 10, first via flow meter 11, first via choke valve 12, first via pressure meter 13; Well head comes casing gas 19 by being connected with the second inlet port 23 pipelines of synchronous revolving compressor 1 with the second road ball valve 2, the second pipe filter 3, the No. the second flow meter 4, the No. the second flap valve 5, the No. the second choke valve 6 and the second road pipeline of road pressure meter 7 of being connected; The compression port of export 24 of synchronous revolving compressor 1 communicates with downstream pipeline 20 by the output pipe that outlet non-return valve 14, surge tank 15, delivery gauge 16 and vent ball valve 17 are connected in series.Come between crude oil 18 pipelines oil pumper 21 is arranged at downstream pipeline 20 and well head.
A kind of technique based on oil field well casing gas recovery device, when oil pumper 21 has unnecessary load, outlet non-return valve 14 and the vent ball valve 17 of the compression port of export 24 of synchronous revolving compressor 1 are opened, well head comes crude oil 18 parts to pass through with first via ball valve 8, safety overflow valve 9, first via strainer 10, the first via pipeline of first via choke valve 12 enters synchronous revolving compressor 1 first inlet port 22, carry out airtight to synchronous revolving compressor 1, lubrication and cooling, well head comes crude oil 18 another part crude oil to be delivered to downstream pipeline 20 under oil pumper 21 effects, the casing gas of the second road pipeline mixes with the crude oil of synchronous revolving compressor 1 after synchronous revolving compressor 1 supercharging, is pressed into oil pipe and carries;
When oil pumper does not have unnecessary load, outlet non-return valve 14 and the vent ball valve 17 of the compression port of export 24 of synchronous revolving compressor 1 are opened, the well head of first via pipeline comes crude oil 18 all to enter synchronous revolving compressor 1, synchronous revolving compressor 1 is carried out airtight, lubrication and cooling, the casing gas of the second road pipeline mixes with the crude oil of synchronous revolving compressor 1 after synchronous revolving compressor 1 supercharging, is pressed into oil pipe and carries.
Synchronous revolving compressor has the characteristics such as self-balancing, unit high pressure ratio, compressible band liquid gas and gas-liquid delivery of suction pressure, as the supercharging equipment of well casing gas of the present invention, synchronous revolving compressor can overcome the deficiency aspect the casing gas compression of traditional compressor effectively.
The present invention is separated by filtration rear importing compressor with oil well part crude oil, does cooling fluid when satisfying compressor seal, lubricated needs and single-stage high voltage than operation and uses, and has saved the original cooling fluid machine of compressor external circulation cooling system.
Synchronous revolving compressor 1 of the present invention adopts inlet, the two entrances of air inlet port, the import that a crude oil part of coming with well head enters synchronous revolving compressor 1, synchronous revolving compressor 1 is carried out airtight, lubrication and cooling, another part crude oil is delivered to the downstream under the oil pumper effect, and casing gas is pressed into the oil pipe conveying after entering synchronous revolving compressor 1 compressed machine supercharging by another mouth, realizes the purpose that the casing gas supercharging is reclaimed.
In addition, also can adopt another kind of mode to work.All crude oil and the casing gas of well head all enter compressor, transport to the downstream through synchronous revolving compressor 1 supercharging.Under this operating mode, oil pumper only plays a part crude oil is inputted compressor.And the conveying of crude oil and casing gas is finished by synchronous revolving compressor 1.By the power of motor of reasonable disposition compressor, just can increase considerably the defeated radius of collection of oil well crude oil like this.Thereby be implemented in defeated middle the minimizing or the middle cloth of cancellation station of oilfield collection, simplify Oil-Gas Gathering Technology flow process, reduction construction investment and operational management cost.
Claims (1)
1. technique based on oil field well casing gas recovery device, it is characterized in that: comprise synchronous revolving compressor (1), first via pipeline, the second road pipeline and oil pumper (21) based on oil field well casing gas recovery device, well head comes crude oil (18) to be connected with the first inlet port (22) pipeline of described synchronous revolving compressor (1) by the described first via pipeline with first via ball valve (8), safety overflow valve (9), first via strainer (10), first via flow meter (11), first via choke valve (12), first via pressure meter (13); Well head comes casing gas (19) by being connected with the second inlet port (23) pipeline of described synchronous revolving compressor (1) with the second road ball valve (2), the second pipe filter (3), the No. the second flow meter (4), the No. the second flap valve (5), the No. the second choke valve (6) and described the second road pipeline of road pressure meter (7) of being connected; The compression port of export (24) of synchronous revolving compressor (1) communicates with downstream pipeline (20) by the output pipe that is connected in series by outlet non-return valve (14), surge tank (15), delivery gauge (16) and vent ball valve (17);
When oil pumper (21) has unnecessary load, outlet non-return valve (14) and the vent ball valve (17) of the compression port of export (24) of synchronous revolving compressor (1) are opened, well head comes crude oil (a 18) part to enter synchronous revolving compressor (1) first inlet port (22) by described first via pipeline, and synchronous revolving compressor (1) is carried out airtight, lubrication and cooling; Well head comes the middle another part crude oil of crude oil (18) to be delivered to downstream pipeline (20) under oil pumper (21) effect, well head comes casing gas to enter synchronous revolving compressor (1) by described the second road pipeline and mixes with the crude oil of synchronous revolving compressor (1) after the synchronous revolving compressor supercharging, is pressed into oil pipe and carries;
When oil pumper does not have unnecessary load, outlet non-return valve (14) and the vent ball valve (17) of the compression port of export (24) of synchronous revolving compressor (1) are opened, well head comes crude oil (18) all to enter synchronous revolving compressor (1) by described first via pipeline, synchronous revolving compressor (1) is carried out airtight, lubrication and cooling, well head comes casing gas to enter synchronous revolving compressor (1) by described the second road pipeline and mixes with the crude oil of synchronous revolving compressor (1) after the synchronous revolving compressor supercharging, is pressed into oil pipe and carries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010256380 CN101915074B (en) | 2010-08-18 | 2010-08-18 | Oil field well casing gas recovery device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010256380 CN101915074B (en) | 2010-08-18 | 2010-08-18 | Oil field well casing gas recovery device and process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101915074A CN101915074A (en) | 2010-12-15 |
| CN101915074B true CN101915074B (en) | 2013-03-13 |
Family
ID=43322688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010256380 Active CN101915074B (en) | 2010-08-18 | 2010-08-18 | Oil field well casing gas recovery device and process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101915074B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747989B (en) * | 2012-07-29 | 2015-02-18 | 上海亿景能源科技有限公司 | Oil well casing gas collecting device |
| CN104632137B (en) * | 2013-11-08 | 2017-10-17 | 中国石油天然气股份有限公司 | Self-pressure remote control type condensate oil closed recovery process method and device |
| CN105114039B (en) * | 2015-08-05 | 2017-07-07 | 中国石油天然气股份有限公司 | Recovery device and recovery method for casing gas of oil field well site |
| CN106837270B (en) * | 2017-03-23 | 2023-05-30 | 西安长庆科技工程有限责任公司 | Device and process for preventing gas channeling of carbon dioxide flooding oil extraction wellhead |
| CN106761622B (en) * | 2017-03-23 | 2023-03-10 | 西安长庆科技工程有限责任公司 | Air foam flooding oil production well site device and process thereof |
| 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 |
| CN108825172B (en) * | 2018-08-29 | 2023-07-25 | 蚌埠市新达压缩机制造有限公司 | Unpowered sleeve gas recovery device |
| CN112502688A (en) * | 2019-07-19 | 2021-03-16 | 廖文勇 | System and method for realizing mixed transportation and recovery of sleeve gas by multi-phase compression |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6422313B1 (en) * | 2000-06-15 | 2002-07-23 | Roy Knight | Apparatus and method for recovering waste production gases |
| CN201041019Y (en) * | 2007-06-11 | 2008-03-26 | 蔺新良 | Oil field casing gas automatic recovery system |
| CN101525989A (en) * | 2009-02-19 | 2009-09-09 | 胜利油田华胜环保产业有限责任公司 | Oil-well waste gas recovery device |
| CN201714356U (en) * | 2010-08-18 | 2011-01-19 | 西安长庆科技工程有限责任公司 | Casing gas recovery device for oil well in oil field |
-
2010
- 2010-08-18 CN CN 201010256380 patent/CN101915074B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6422313B1 (en) * | 2000-06-15 | 2002-07-23 | Roy Knight | Apparatus and method for recovering waste production gases |
| CN201041019Y (en) * | 2007-06-11 | 2008-03-26 | 蔺新良 | Oil field casing gas automatic recovery system |
| CN101525989A (en) * | 2009-02-19 | 2009-09-09 | 胜利油田华胜环保产业有限责任公司 | Oil-well waste gas recovery device |
| CN201714356U (en) * | 2010-08-18 | 2011-01-19 | 西安长庆科技工程有限责任公司 | Casing gas recovery device for oil well in oil field |
Non-Patent Citations (1)
| Title |
|---|
| 孟宝堂,等.伴生气（油田气）输送、回收系统设计.《流体机械》.2005,第33卷(第5期),第41-44页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101915074A (en) | 2010-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101915074B (en) | Oil field well casing gas recovery device and process | |
| CN103912253B (en) | Gas well single well gas recovery system and low-pressure recovery method thereof | |
| CN102747989B (en) | Oil well casing gas collecting device | |
| CN116677918B (en) | Well head gas conveying device of coal bed gas drainage and production well and using method | |
| CN104405343B (en) | Associated gas recovery device for cluster well group and recovery method thereof | |
| CN104295269B (en) | Integrated well group pressurization integrated device | |
| CN204611345U (en) | A kind of synchronous revolving oil gas combined transportation device | |
| CN204312030U (en) | Associated gas recovery device for cluster well group | |
| CN110242262A (en) | A kind of casing gas recycles and drives the Increasing Production and Energy Saving device of crude oil extraction | |
| CN201714356U (en) | Casing gas recovery device for oil well in oil field | |
| CN207686682U (en) | A kind of casing gas recovering device | |
| CN201025001Y (en) | Low voltage gas collection system | |
| CN202031548U (en) | Device for recovering gas in wellhead and well group casing of oilfield | |
| CN202674831U (en) | Wellhead supercharger special for exploitation of coal bed gas | |
| CN109488882B (en) | Gas-liquid mixed transportation supercharging device with wire mesh demister and method | |
| CN103615367B (en) | A kind of energy storage declines head fluid energy pumping system | |
| CN207647499U (en) | A kind of oil well supercharging casing gas recovering device | |
| CN201924890U (en) | Novel coalbed methane ground extraction device | |
| CN207829841U (en) | A kind of level pressure tapping equipment that well mouth of oil well set is calmed the anger | |
| CN110030491A (en) | A kind of production wellhead associated gas linkage type plunger booster recyclable device and method | |
| CN210622776U (en) | Casing gas recovery and crude oil extraction driving yield increasing and energy saving device | |
| CN210343320U (en) | Device for realizing mixed transportation and recovery of sleeve gas by multiphase compression | |
| CN201474675U (en) | Mobile well head gas recycling device | |
| CN201080819Y (en) | Offshore platform natural gas ultra-high pressure reinjection system | |
| CN210085395U (en) | Gas collecting device of whole sledge pressurizing station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |