CN104100238A - Ejection pressurizing type sleeve gas recovery device - Google Patents
Ejection pressurizing type sleeve gas recovery device Download PDFInfo
- Publication number
- CN104100238A CN104100238A CN201310123780.4A CN201310123780A CN104100238A CN 104100238 A CN104100238 A CN 104100238A CN 201310123780 A CN201310123780 A CN 201310123780A CN 104100238 A CN104100238 A CN 104100238A
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- gas
- liquid
- valve
- pressure sensor
- outlet
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- 238000011084 recovery Methods 0.000 title abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000003129 oil well Substances 0.000 claims abstract description 11
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000003915 air pollution Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 230000003111 delayed effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 239000010779 crude oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The invention provides an ejection pressurizing type sleeve gas recovery device which is used for recovering sleeve gas in a wellhead of an oil field. The ejection pressurizing type sleeve gas recovery device comprises an ejector, a gas-liquid mixing and conveying pump, a liquid inlet valve, a liquid outlet valve, gas inlet valves, a gas storage tank, a gas pressure sensor, a gas flow meter, an electric valve, a control unit and the like, and is integrally manufactured into a skid-mounted block. A liquid inlet opening of the ejector is connected with the upstream part of an oil outlet pipeline of an oil well, and a liquid outlet opening of the ejector is connected with an inlet of the gas-liquid mixing and conveying pump. When the ejection pressurizing type sleeve gas recovery device works normally, the liquid inlet valve and the liquid outlet valve are both opened; when the pressure of the sleeve gas reaches a certain value, the gas pressure sensor transmits a signal to the control unit, the control unit sends an instruction to start the gas-liquid mixing and conveying pump, and the electric valve is opened in a delayed mode; liquid which flows at a high speed in the ejector sucks in the sleeve gas, the liquid and the sleeve gas are mixed to enter the liquid-gas mixing and conveying pump to be pressurized, and then are conveyed into the oil outlet pipeline of the oil well, the sleeve gas can be recovered, and the situation that waste of energy sources and air pollution are caused by combustion or emptying of the sleeve gas is avoided.
Description
Technical field
The present invention relates to one penetrates and draws booster-type casing gas recovering device, the casing gas producing for reclaiming oil field oil recovery process.
Background technology
In crude oil exploitation, reservoir fluid is along with the reduction of pressure, light component in crude oil is as methane, ethane, propane etc., can be from the annular space volatilization between sleeve pipe and oil pipe, form casing gas, form the gas column with certain pressure on top, force well fluid level to decline, the effective production pressure drop of oil well is reduced, and production capacity declines; Part gas flows to into oil well pump pump chamber with liquid, occupies certain pump chamber space, affects pump efficiency, when serious, " gas lock " can occur, and oil well pump cannot be worked.
Because the output of well casing gas is not high, and air pressure is unstable, at present also there is no special gas transmission line delivery cannula gas, casing gas cannot effectively be reclaimed and be utilized, and is generally by short tube line, casing gas to be guided to safety area burning or directly by casing gas emptying process.
In order to address this problem, three kinds of methods that casing gas reclaims are there are at present: a kind of is the power drive plunger recovery of casing gas that utilizes oil pumper itself, inputs well head pipeline after supercharging; This apparatus structure complexity, and be only applicable to pumping production, be not suitable for oil-immersed pump and recover the oil.Another kind is exactly to adopt air Compressor unit, and the pressure increase of casing gas, gas-liquid separation, pernicious gas are entered to gasholder after processing; This method investment is large, maintenance management expense is high, power consumption is also large, and economic benefit is not obvious, therefore could not be widely applied.The third method is: several casing gas are communicated with, suppress after certain pressure, be connected with oil pipe by one way valve linker; Because the pressure of casing gas is general all lower than the pressure of crude oil in oil pipe, so this device reality seldom can work.
Summary of the invention
The object of the invention is to overcome now methodical deficiency, provide one to penetrate and draw booster-type casing gas recovering device, realize and reclaim efficiently, easily wellhead sleeve gas.
Technical scheme of the present invention is: whole device comprises penetrates lead device, gas fluid mixture pump, liquid feed valve, liquid valve, motor operated valve, admission valve, gasholder, gas pressure sensor, gas flowmeter, motor operated valve, control module etc., and integral manufacturing becomes skid.The inlet of penetrating lead device is connected with oil well flow line upstream by oil hose, liquid feed valve, and liquid outlet is connected with the entrance of gas fluid mixture pump; Penetrate on the outlet line of lead device and be designed with intermediate pressure sensor, with the duty that facilitates observation to penetrate lead device; Gas-liquid delivery delivery side of pump is connected with the downstream of oil well flow line by oil hose, liquid valve, and exit is designed with the working condition of outlet pressure sensor with observation gas fluid mixture pump.The air inlet port of penetrating lead device is connected to wellhead sleeve gas outlet by motor operated valve, gas flowmeter, gasholder, admission valve, oil hose etc.; On gasholder, be designed with multiple air inlet ports, can be connected to the casing gas outlet of multiple well heads, to improve organic efficiency simultaneously; The outlet of gasholder is provided with gas pressure sensor.
Control module is installed on skid, comprise control element and display element, the electric elements such as motor operated valve, gas fluid mixture pump, gas flowmeter, gas pressure sensor, intermediate pressure sensor, outlet pressure sensor are connected with the interface correspondence of control module respectively.
When normal work, liquid feed valve, liquid valve are all opened, and in the time that the pressure of casing gas reaches certain value, gas pressure sensor transmits signal to control module, and control module sends instruction and starts gas fluid mixture pump, Time Delay Opening motor operated valve; Penetrate swiftly flowing liquid in lead device sleeve pipe aspiration is introduced, after mixing, enter together mixing pump supercharging, then input oil well flow line, realize the recovery to casing gas.Casing gas was recovered after a period of time, pressure decreased, and during lower than certain value, control module instruction motor operated valve first cuts out, time-delay closing gas fluid mixture pump.
The invention has the beneficial effects as follows: because casing gas is recovered, avoided because of casing gas burning or the emptying environment pollution causing and waste.Apparatus of the present invention have realized automation control, reduce cost of labor, realize the fine-grained management of reclaiming; Casing gas enters petroleum pipeline can inflate viscosity reduction, reduces the dynamic viscosity of Crude Oil Transportation; On gasholder, be designed with multiple interfaces, can collect the casing gas of many mouthfuls of oil wells simultaneously, improve organic efficiency; Whole device is made sledge piece formula, is convenient to install and transport, can reclaim in turn in polylith oil district, improves utilization ratio of device.
Brief description of the drawings
Accompanying drawing is structural representation of the present invention.
In figure: 1. flow line, 2. control module, 3. liquid feed valve, 4. oil hose, 5. penetrates lead device, 6. motor operated valve, 7. gas flowmeter, 8. gas pressure sensor, 9. gasholder, 10. admission valve, 11. air induction hoses, 12. gas fluid mixture pumps, 13. intermediate pressure sensors, 14. outlet pressure sensors, 15. liquid valves, 16. casing gas outlets.
Detailed description of the invention
Describe structure of the present invention and embodiment in detail below in conjunction with accompanying drawing.
An oil mining crude oil part out enters this device from the upstream of flow line (1) through liquid feed valve (3), crude stream is crossed after the nozzle of injector (5), because pressure energy converts speed energy to, around nozzle, form negative pressure of vacuum chamber, by the casing gas inspiration negative pressure cavity of collecting in gasholder (9), crude oil and casing gas reach the state of steady flow after the mixing diffusion of diffuser pipe.Because gas-liquid mixed causes pressure drop, the pressure of fluid-mixing is lower than the pressure in flow line (1), therefore needing that fluid-mixing is inputted to gas fluid mixture pump (12) boosts, to meet the normal pressure of carrying of pipeline of oil production, the fluid-mixing that reaches discharge pressure enters into the downstream of flow line (1) and normally carries after liquid valve (15).On gasholder (9), have one group of air inlet pipe, each air inlet pipe has an admission valve (10), and each admission valve (10) can be connected with the casing gas outlet (16) of a bite well.In the time that the casing gas pressure of gasholder (9) collection reaches certain value, pressure signal is sent to control module (2) by gas pressure sensor (8), control module control gas fluid mixture pump (12) is opened, motor operated valve (6) Time Delay Opening, starts the recovery of casing gas.In the time that gasholder (9) inner sleeve atmospheric pressure drops to certain value, pressure signal is fed back to control module (2) by gas pressure sensor (8), control module (2) instruction motor operated valve (6) first cuts out, then gas fluid mixture pump (12) time-delay closing, casing gas reclaims and suspends.In the time that the casing gas pressure of gasholder (9) gathering reaches certain value again, recovery process restarts.
Control module has control element and display element in (2), and control element can be realized the automation control of retracting device, does not need manual operation in the time of normal work; Display element can show in real time to the pressure of each several part, flow.
System also has safety protection function; when gas fluid mixture pump (12) or when penetrating lead device (5) and breaking down; the pressure of penetrating after lead device (5) sharply raises; intermediate pressure sensor (13) feeds back signal to control module (2); determined motor operated valve (6), gas fluid mixture pump (12) to close successively by control module (2), control panel sends alarm signal.
Below be only to realize an embodiment of the invention, other form of structure based on this inventive principle within the scope of the present invention.
Claims (5)
1. penetrate and draw booster-type casing gas recovering device for one kind, it is characterized in that: whole device comprises compositions such as penetrating lead device (5), gas fluid mixture pump (12), liquid feed valve (3), liquid valve (15), admission valve (10), gasholder (9), gas pressure sensor (8), gas flowmeter (7), motor operated valve (6), control module (2), and integral manufacturing becomes skid.
2. according to claim 1 penetrating drawn booster-type casing gas recovering device, it is characterized in that: the inlet of penetrating lead device (5) is connected with the upstream of oil well flow line (1) by oil hose (4), liquid feed valve (3), and liquid outlet is connected with the entrance of gas fluid mixture pump (12); Penetrate on the outlet line of lead device (5) and be designed with intermediate pressure sensor (13).
3. according to claim 1 penetrating drawn booster-type casing gas recovering device, it is characterized in that: the air inlet port of penetrating lead device (5) is connected to wellhead sleeve gas outlet (16) by motor operated valve (6), gas flowmeter (7), gasholder (9), admission valve (10), air induction hose (11) etc.; Gasholder is designed with multiple air inlet ports on (9), can be connected to the casing gas outlet of multiple well heads simultaneously.
4. according to claim 1 penetrating drawn booster-type casing gas recovering device, it is characterized in that: the inlet of gas fluid mixture pump (12) is connected with the outlet of penetrating lead device (5), liquid outlet is connected with the downstream of oil well flow line (1) by oil hose (4), liquid valve (15), and there is outlet pressure sensor (14) in the exit of gas fluid mixture pump (12).
5. according to claim 1 penetrating drawn booster-type casing gas recovering device, it is characterized in that: control module has control element and display element in (2), the electric elements such as motor operated valve (6), gas fluid mixture pump (12), gas flowmeter (7), gas pressure sensor (8), intermediate pressure sensor (13), outlet pressure sensor (14) are connected with the interface correspondence of control module (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123780.4A CN104100238B (en) | 2013-04-11 | 2013-04-11 | It penetrates and draws booster-type casing gas recovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123780.4A CN104100238B (en) | 2013-04-11 | 2013-04-11 | It penetrates and draws booster-type casing gas recovering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104100238A true CN104100238A (en) | 2014-10-15 |
| CN104100238B CN104100238B (en) | 2018-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310123780.4A Expired - Fee Related CN104100238B (en) | 2013-04-11 | 2013-04-11 | It penetrates and draws booster-type casing gas recovering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104100238B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464626A (en) * | 2015-11-17 | 2016-04-06 | 中国石油大学(华东) | Injection drainage type gas-liquid separation casing pipe gas recovery equipment and method |
| CN109577920A (en) * | 2018-11-02 | 2019-04-05 | 山东华泽机电科技有限公司 | Well casing gas reclaimer deposits liquid automatic recycling device |
| CN112145485A (en) * | 2020-09-07 | 2020-12-29 | 长江大学 | Ejector device with adjustable nozzle cross-sectional area |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202081866U (en) * | 2011-04-06 | 2011-12-21 | 中国石油大学(华东) | Spray drainage type sleeve gas reclaiming device |
| CN202598131U (en) * | 2012-04-13 | 2012-12-12 | 中国石油天然气股份有限公司 | Oil-gas mixing transportation device of crude oil and oil field gas in oil field |
| CN203257377U (en) * | 2013-04-11 | 2013-10-30 | 中国石油大学(华东) | Ejection boosting type recovery device for sleeve gas |
-
2013
- 2013-04-11 CN CN201310123780.4A patent/CN104100238B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202081866U (en) * | 2011-04-06 | 2011-12-21 | 中国石油大学(华东) | Spray drainage type sleeve gas reclaiming device |
| CN202598131U (en) * | 2012-04-13 | 2012-12-12 | 中国石油天然气股份有限公司 | Oil-gas mixing transportation device of crude oil and oil field gas in oil field |
| CN203257377U (en) * | 2013-04-11 | 2013-10-30 | 中国石油大学(华东) | Ejection boosting type recovery device for sleeve gas |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464626A (en) * | 2015-11-17 | 2016-04-06 | 中国石油大学(华东) | Injection drainage type gas-liquid separation casing pipe gas recovery equipment and method |
| CN109577920A (en) * | 2018-11-02 | 2019-04-05 | 山东华泽机电科技有限公司 | Well casing gas reclaimer deposits liquid automatic recycling device |
| CN112145485A (en) * | 2020-09-07 | 2020-12-29 | 长江大学 | Ejector device with adjustable nozzle cross-sectional area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104100238B (en) | 2018-08-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20141015 Assignee: UPC BLUE SKY PETROLEUM TECHNOLOGY Co.,Ltd. Assignor: China University of Petroleum (East China) Contract record no.: X2020370010014 Denomination of invention: Ejector booster casing gas recovery device Granted publication date: 20180803 License type: Common License Record date: 20200811 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 |