CN203961922U - A kind of taking out type low pressure associated gas recovery device - Google Patents
A kind of taking out type low pressure associated gas recovery device Download PDFInfo
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- CN203961922U CN203961922U CN201420349406.6U CN201420349406U CN203961922U CN 203961922 U CN203961922 U CN 203961922U CN 201420349406 U CN201420349406 U CN 201420349406U CN 203961922 U CN203961922 U CN 203961922U
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- valve
- associated gas
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- liquid
- discharge
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Abstract
The utility model provides a kind of taking out type low pressure associated gas recovery device, the associated gas producing for reclaiming oilfield process.This device comprises: ejector, water pump, discharge, gas flowmeter, motor operated valve, inlet pressure sensor, storage tank, admission valve, liquid feed valve, liquid valve, switch board etc., integral manufacturing becomes sled piece.Ejector inlet is connected with the liquid outlet of water pump, and liquid outlet is connected with storage tank, and air inlet port is connected with motor operated valve, gas flowmeter, discharge.When normal work, liquid feed valve, liquid valve are all opened, in the time that in discharge, associated gas pressure reaches certain value, pressure sensor sends signals to switch board, and switch board sends instruction and starts water pump, Time Delay Opening motor operated valve, liquid at high speed forms negative pressuren zone after flowing through ejector, and associated gas is sucked in, and enters together storage tank after mixing, associated gas utilizes after can drawing by valve in storage tank, avoids due to arbitrarily emptying and energy waste and environment pollution that unordered burning causes of associated gas.
Description
Technical field
The utility model relates to a kind of taking out type low pressure associated gas recovery device, the associated gas producing for reclaiming oilfield process.
Background technology
Associated gas typically refers to the natural gas with oil symbiosis, and main component is the low molecule alkane such as methane, ethane, in addition the propane of some, butane, pentane etc.Mainly contain the well site associated gas that originates in oil well casing, the isolated station such as booster station, a multi-purpose station associated gas, Volatile Gas in Oil Tank etc.
Oil field gas has considerable economic benefit, but because the output of various forms of associated gases is not high, and air pressure is unstable, oilfield enterprise was conventionally by oil field gas emptying or burning in the past, the oil gas distributing and combustion product are seriously polluted to local natural environment, if oil field gas is not reclaimed, not only very serious to the damage and pollution of environment, also cause huge energy waste and economic loss simultaneously.
For addressing this problem, several associated gas recovery methods are there are at present: the unidirectional bleeder of installing gas pressure on oil well casing, after laying gas gathering line, carry out combustion heating, by mixed defeated after compressor boost, pressurize and mix the defeated and large tank modes such as supercharging of bleeding by oil-gas mixed delivery pump.But because associated gas pressure is generally lower, adopt said method to reclaim to exist the problem such as need supercharging, consumed energy is large, organic efficiency is low and can not directly utilize.
Summary of the invention
The utility model object is to overcome now methodical deficiency, and a kind of taking out type low pressure associated gas recovery device is provided, and realizes and reclaims efficiently, easily oil field gas.
The technical solution of the utility model is: whole device comprises ejector, water pump, discharge, flow meter, motor operated valve, inlet pressure sensor, storage tank, admission valve, liquid feed valve, liquid valve, switch board etc., and integral manufacturing becomes sled piece.The inlet of ejector is connected with the liquid outlet of water pump, and the inlet of water pump is connected with storage tank by pipeline; The liquid outlet of ejector is connected with storage tank by pipeline; The air inlet port of ejector is connected to oil field gas exit by motor operated valve, gas flowmeter, discharge, admission valve, air inlet pipe; Discharge is provided with multiple air inlet ports, can be connected to the associated gas exit of multi-form associated gas or different directions simultaneously, to improve the associated gas organic efficiency of device; Be provided with pressure sensor at the each pressure monitoring point of device, to facilitate the duty of observation device; Switch board comprises control element and display element, and the electrical equipments such as motor operated valve, pump motor, gas flowmeter, pressure sensor are connected with the interface correspondence of switch board respectively; In storage tank, there is liquid a certain amount of and that associated gas is immiscible as circulation fluid.
When normal work, liquid feed valve and liquid valve are all opened, in the time that the associated gas pressure in discharge reaches certain value, signal is passed to switch board by associated gas pressure sensor, and switch board sends instruction and starts water pump, Time Delay Opening motor operated valve, liquid at high speed forms negative pressuren zone after flowing through ejector, associated gas is sucked in, enter together storage tank after mixing, in storage tank, associated gas is overflowed from liquid, be stored in the upper space of storage tank, realize the recovery of associated gas is stored.Associated gas reclaimed after a period of time, and when discharge internal pressure is reduced to certain value, switch board sends instruction and closes motor operated valve, time-delay closing water pump.
The beneficial effects of the utility model are: due to the recovery of associated gas, avoided because of associated gas emptying and the burn environment pollution and the energy waste that cause.Apparatus of the present invention have realized automation control, reduce cost of labor, realize the fine-grained management of reclaiming; Preserve tracheae and be provided with multiple interfaces, can collect the associated gas of many places simultaneously, improve organic efficiency; Whole device is made sled piece formula, is convenient to install and transport, can use in turn recovery in polylith district, improves utilization ratio of device; Associated gas in storage tank both can have been realized on-the-spot boiler gas injection heating, can carry out again on-site generated power etc. and utilize mode, had realized the flexibility that associated gas utilizes.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
In figure: 1. associated gas outlet, 2. discharge, 3. admission valve, 4. air inlet pipe, 5. associated gas pressure sensor, 6. gas flowmeter, 7. motor operated valve, 8. relief valve, 9. inlet pressure sensor, 10. water pump, 11. ejectors, 12. outlet pressure sensors, 13. switch boards, 14. liquid valves, 15. liquid feed valves, 16. pressure of storage tank sensors, 17. storage tanks, 18. outlet valves, 19. charging valves, 20. tapping valves.
Detailed description of the invention
Describe structure of the present utility model and embodiment in detail below in conjunction with accompanying drawing.
A kind of taking out type low pressure associated gas recovery device comprises: ejector (11), water pump (10), discharge (2), gas flowmeter (6), motor operated valve (7), inlet pressure sensor (9), storage tank (17), admission valve (3), liquid feed valve (15), liquid valve (14), switch board (14) etc., integral manufacturing becomes sled piece, the inlet of ejector (11) is connected with the liquid outlet of water pump (10), and the inlet of water pump (10) is connected with storage tank (17) by pipeline, the liquid outlet of ejector (11) is connected with storage tank (17) by pipeline, ejector (11) air inlet port is connected with motor operated valve (7), gas flowmeter (6), discharge (2), discharge (2) is provided with associated gas pressure sensor (5), on discharge (2), there is one group of air inlet pipe, each air inlet pipe has an admission valve (3), each admission valve (3) can be connected in mutually associated gas generation place with an associated gas outlet portal (1) and load onto associated gas outlet (1), the associated gas producing is opened by admission valve (3) after air inlet pipe (4) after associated gas outlet (1), associated gas enters into discharge (2) and concentrates, in the time that the associated gas pressure in discharge (2) reaches certain value, signal is passed to switch board (13) by associated gas pressure sensor (5), switch board (13) sends instruction, retracting device is started working, circulation fluid in storage tank (17) flows out after liquid feed valve (15) enters water pump (10) pressurization, swiftly flowing liquid is after the nozzle of ejector (11), because pressure energy converts speed energy to, around nozzle, form negative pressure of vacuum chamber, the associated gas of discharge (2) is sucked into the negative pressure cavity in ejector (11) after by motor operated valve (7) after gas flowmeter (6) metering, liquid and associated gas are through the state that reaches steady flow after diffusion that mixes of diffuser pipe, fluid-mixing is in liquid valve (14) enters storage tank (17), liquid separates automatically with associated gas, associated gas is on storage tank (17) top, liquid automatically enters and circulates in storage tank (17) bottom.
On discharge (2), have one group of air inlet pipe, each air inlet pipe has an admission valve (3), and each admission valve (3) can be connected with an associated gas outlet portal (1).In the time that the associated gas pressure of discharge (2) collection reaches certain value, pressure signal is sent to switch board (13) by associated gas pressure sensor (5), switch board instruction liquid feed valve (15), liquid valve (14) are opened, water pump (10) starts, motor operated valve (7) Time Delay Opening, starts the recovery of associated gas; In the time that in discharge (2), associated gas pressure drop is to certain value, pressure signal is sent to switch board (13) by associated gas pressure sensor (5), switch board instruction motor operated valve (7) cuts out, liquid feed valve (15), liquid valve (14), water pump (10) time-delay closing, and associated gas reclaims and suspends; In the time that the associated gas of discharge (2) collection reaches certain value again, recovery process restarts.
Switch board has control element and display element in (13), 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; in the time that water pump (10) or ejector (11) break down; inlet pressure sensor (9) or outlet pressure sensor (12) abnormal signal feed back signal to switch board (13); determined liquid feed valve (15), liquid valve (14), water pump (10) to close successively by control module (13), control panel sends alarm signal.
After outlet valve (18), can connect multi-form equipment and use the associated gas of recovery, switch board (13) can pass through outlet valve (18) and realize the automatic output to the associated gas in storage tank (17).
Preferably, described storage tank (17) is the reservoir vessel of the associated gas of circulation fluid and recovery, and the associated gas in storage tank (17) can be discharged afterwards by multi-form equipment is used by outlet valve (18).
Preferably, described switch board has control element and display element in (13), the control elements such as motor operated valve (7), water pump (10), gas flowmeter (6), associated gas pressure sensor (5), liquid valve (14), liquid feed valve (15), outlet valve (18) respectively and the interface correspondence of switch board (13) join.
The recovery of the utility model to associated gas, has avoided because of associated gas emptying and the burn environment pollution and the energy waste that cause.This device has been realized automation control, reduces cost of labor, realizes the fine-grained management of reclaiming; Preserve tracheae and be provided with multiple interfaces, can collect the associated gas of many places simultaneously, improve organic efficiency; Whole device is made sled piece formula, is convenient to install and transport, can use in turn recovery in polylith district, improves utilization ratio of device; Associated gas in storage tank both can have been realized on-the-spot boiler gas injection heating, can carry out again on-site generated power etc. and utilize mode, had realized the flexibility that associated gas utilizes
Below be only to realize an embodiment of the present utility model, other form of structure based on this inventive principle is within scope of the present utility model.
Claims (3)
1. a taking out type low pressure associated gas recovery device, it is characterized in that: whole device comprises: ejector (11), water pump (10), discharge (2), gas flowmeter (6), motor operated valve (7), inlet pressure sensor (9), storage tank (17), admission valve (3), liquid feed valve (15), liquid valve (14), switch board (14) etc., integral manufacturing becomes sled piece, the inlet of ejector (11) is connected with the liquid outlet of water pump (10), and the inlet of water pump (10) is connected with storage tank (17) by pipeline; The liquid outlet of ejector (11) is connected with storage tank (17) by pipeline; Ejector (11) air inlet port is connected with motor operated valve (7), gas flowmeter (6), discharge (2); Discharge (2) is provided with associated gas pressure sensor (5), on discharge (2), there is one group of air inlet pipe, each air inlet pipe has an admission valve (3), and each admission valve (3) can be connected with an associated gas outlet (1).
2. a kind of taking out type low pressure associated gas recovery device according to claim 1, it is characterized in that: storage tank (17) is the reservoir vessel of the associated gas of circulation fluid and recovery, the associated gas in storage tank (17) can be discharged afterwards by multi-form equipment is used by outlet valve (18).
3. a kind of taking out type low pressure associated gas recovery device according to claim 1, it is characterized in that: switch board has control element and display element in (13), the control elements such as motor operated valve (7), water pump (10), gas flowmeter (6), associated gas pressure sensor (5), liquid valve (14), liquid feed valve (15), outlet valve (18) respectively and the interface correspondence of switch board (13) join.
Priority Applications (1)
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CN201420349406.6U CN203961922U (en) | 2014-06-27 | 2014-06-27 | A kind of taking out type low pressure associated gas recovery device |
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CN201420349406.6U CN203961922U (en) | 2014-06-27 | 2014-06-27 | A kind of taking out type low pressure associated gas recovery device |
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CN201420349406.6U Expired - Fee Related CN203961922U (en) | 2014-06-27 | 2014-06-27 | A kind of taking out type low pressure associated gas recovery device |
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Cited By (4)
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 |
CN105909216A (en) * | 2016-06-21 | 2016-08-31 | 辽宁鹤恒科技有限公司 | Oil field associated gas conveying device and process |
CN106014349A (en) * | 2016-07-29 | 2016-10-12 | 南充西南石油大学设计研究院有限责任公司 | Negative pressure suction water drainage and gas production device |
CN106869876A (en) * | 2017-02-14 | 2017-06-20 | 西安长庆科技工程有限责任公司 | Dispensing device is adopted in a kind of circulation for improving oil recovery rate |
-
2014
- 2014-06-27 CN CN201420349406.6U patent/CN203961922U/en not_active Expired - Fee Related
Cited By (4)
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 |
CN105909216A (en) * | 2016-06-21 | 2016-08-31 | 辽宁鹤恒科技有限公司 | Oil field associated gas conveying device and process |
CN106014349A (en) * | 2016-07-29 | 2016-10-12 | 南充西南石油大学设计研究院有限责任公司 | Negative pressure suction water drainage and gas production device |
CN106869876A (en) * | 2017-02-14 | 2017-06-20 | 西安长庆科技工程有限责任公司 | Dispensing device is adopted in a kind of circulation for improving oil recovery rate |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20160627 |