CN202152915U - Multi-stage gas compression and recovery device for oil well casing in oil field - Google Patents
Multi-stage gas compression and recovery device for oil well casing in oil field Download PDFInfo
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- CN202152915U CN202152915U CN 201120273078 CN201120273078U CN202152915U CN 202152915 U CN202152915 U CN 202152915U CN 201120273078 CN201120273078 CN 201120273078 CN 201120273078 U CN201120273078 U CN 201120273078U CN 202152915 U CN202152915 U CN 202152915U
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- 230000006835 compression Effects 0.000 title claims abstract description 25
- 238000007906 compression Methods 0.000 title claims abstract description 25
- 239000003129 oil well Substances 0.000 title abstract description 13
- 238000011084 recovery Methods 0.000 title abstract 5
- 239000007789 gas Substances 0.000 claims description 126
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 122
- 239000011435 rock Substances 0.000 claims description 77
- 239000003345 natural gas Substances 0.000 claims description 61
- 238000003860 storage Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000012535 impurity Substances 0.000 description 11
- 239000002699 waste material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The utility model discloses a multi-stage gas compression and recovery device for an oil well casing in an oil field. The multi-stage gas compression and recovery device is characterized by comprising a gas collection tank, a medium-pressure gas storage tank and a high-pressure gas storage tank which are sequentially connected in series with a gas conveying pipeline, wherein a primary booster pump is arranged on the gas conveying pipeline between the gas collection tank and the medium-pressure gas storage tank; and a secondary booster pump is arranged on the gas conveying pipeline between the medium-pressure gas storage tank and the high-pressure gas storage tank. The multi-stage gas compression and recovery device can achieve multi-stage compression and automatic recovery of gas in single-well and multi-well casings, can efficiently solve the problems that at present, gas of the oil well casing in the oil field is wasted and environmental pollution is caused by combustion of gas, also solves the problem that a large number of people are required for duty due to dispersed oil wells in large quantity, and has the advantages of low manufacturing cost, convenience in transportation and installation, small occupied area, low probability of failures and long service life.
Description
Technical field
the utility model relates to a kind of oil field well casing rock gas multistage compression recovering device.
Background technique
along with the continuous growth of energy demand and the continuous minimizing of the existing energy, energy-saving and emission-reduction and to tap a new source of energy be the key subjects of human needs's long-term struggle, solution.
At present, the oil well in oil field in the process of oil pumping, in the oil well casing every mouthful of well about head pressure every day be 0.1-0.5MPa the about 1000m of rock gas
3
Because it is worth and compares lessly relatively with the value of oil, does not add because of there being corresponding recovering device to be difficult to reclaim and is wasted, and enters the pollution of atmosphere to environment in order to reduce rock gas, generally all adopts the mode of burning that it is consumed.This mode is a very considerable energy waste.Simultaneously, the waste gas that produces because of burning has also brought certain pollution to environment.
are in energy worsening shortages, environmental deterioration serious day by day today; The pollution that environment is brought for the waste that reduces the energy and gas-firing; The rock gas of in the oil pumping process middle sleeve, discharging oil well is recycled and is very important, and very considerable economic and social benefit are arranged.
Summary of the invention
the utility model purpose is: be directed against present energy waste, environmental pollution problem and well that exists in oil field and the distance between well, every mouthful of problem such as amount of natural gas that well is discharged in oil pumping process; A kind of oil field well casing rock gas multistage compression recovering device that can be applicable to individual well, many wells is provided; Solve the waste of present oil field well casing rock gas and the problems such as pollution that gas-firing brings environment; Improve the economic benefit and the social benefit in oil field, for the mankind's energy crisis is contributed.
The technological scheme of
the utility model is: a kind of oil field well casing rock gas multistage compression recovering device is characterized in that comprising that order is serially connected in the rock gas collecting tank on the natural-gas transfer pipeline, middle pressure gas holder and high pressure tank; Natural-gas transfer pipeline between said rock gas collecting tank and the middle pressure gas holder is provided with first order suction booster, and the natural-gas transfer pipeline between middle pressure gas holder and the high pressure tank is provided with second level suction booster.
are further, in said rock gas collecting tank and middle pressure gas holder, are equipped with pressure transducer in the utility model, connect and control the start and stop of first and second grade suction booster respectively.Said pressure transducer is used for detecting the pressure of jar gas, and controls opening, stopping of corresponding suction booster.When the gas of the suction booster of correspondence input during less than normal value, pressure transducer will drive this pump automatic deloading or quit work, and reduce electric waste.When the gas of the suction booster of correspondence input reaches normal value; Pressure transducer will drive this pump again and start automatically and proper functioning, thereby realize the automatic control of the utility model, efficiently solve oil well and disperse; Quantity is many, and needing a large amount of personnel is its difficult problem on duty.
are further, on the natural-gas transfer pipeline between said first order suction booster and the middle pressure gas holder, also are provided with one-way valve in the utility model.
are preferred, and the suction booster of the first order described in the utility model is an electric piston formula compressor pump, and second level suction booster is the hydraulic piston type suction booster.And more detailed is that the suction booster of hydraulic piston type described in the utility model comprises piston type suction booster body, oil hydraulic cylinder and inlet, outlet distributing valve group, and the intrinsic piston base of said piston type suction booster links to each other with oil hydraulic cylinder; Said air inlet distributing valve group is made up of two air inlet distributing valves, and the distributing valve group of giving vent to anger is made up of two distributing valves of giving vent to anger; Said piston type suction booster body is provided with two suction ports and two air outlets; Said two suction ports link to each other with natural-gas transfer pipeline through the subtube that is provided with the air inlet distributing valve respectively, and two air outlets then link to each other with natural-gas transfer pipeline through the subtube that is provided with the distributing valve of giving vent to anger respectively.
the utility model is because compression ratio is big, and it is comparatively reasonable to be designed to multistage supercharging.First order suction booster adopts electric piston formula compressor pump, and air displacement is bigger, satisfies the needs of second level suction booster easily, and the mechanical efficiency of this pump is higher, and this pump can be chosen in existing compressor series, and is cheap.Because first order suction booster is to the compression of rock gas; The output volume flowrate of first order suction booster is less; Second level suction booster input volume flowrate is also less, and the output flow of second level suction booster is littler, so; Supercharging pump delivery in the second level requires littler a lot than first order supercharging pump delivery, and frequency of okperation can be lower.Therefore, second level suction booster adopts the hydraulic piston type suction booster most suitable, and its output flow is little, and pressure ratio is big, and the movement velocity of driven plunger requires low.Provide the traffic requirement of oil hydraulic cylinder of power source little to it, the power of oil hydraulic cylinder is just little, and the load variations of each pump is little, and is relatively stable, and the driving power fluctuation is little, and efficient is higher relatively, helps energy-conservationly, and operating cost is relatively low.
are preferred; The collecting tank of rock gas described in the utility model, middle pressure gas holder and high pressure tank inherence are equipped with the air-flow buffer near the place of its suction port; Said gas delivering pipe stretches into suction port and links to each other with said air-flow buffer; Said rock gas collecting tank, middle pressure gas holder and high pressure tank inherence are equipped with natural gas filter near the place of its air outlet simultaneously, and said natural-gas transfer pipeline stretches into the air outlet and links to each other with natural gas filter.Said air-flow buffer is an existing technology; It is the porous barrel-like structure; When flowing in the jar numerous apertures of rock gas from air-flow buffer circumference wall, airspeed is reduced, and it is faint that the air-flow impulse force becomes; Thereby, be convenient to effective filtration of natural gas filter with lower flow rate and direction natural gas filter.
are preferred, and said rock gas collecting tank, middle pressure gas holder and high pressure tank all are provided with safety valve at tank deck, at the bottom of jar, then are provided with the draining blowdown valve.Gas flow impacted the adverse consequences that produces when said safety valve can be avoided overflow; Promptly ought break down and cause a jar interior rock gas to store too much; When the force value of rock gas reached the value of qualification, safety valve was opened automatically, and rock gas temporarily effluxes; Its pressure can not continue to raise, and guarantees tank body safety.And said draining blowdown valve is convenient to the draining blowdown, promptly after the utility model work a period of time, the water in each tank body and impurity more for a long time, the draining blowdown valve is opened in the whole break-off of the utility model, working on after jar interior water and the impurity discharge again.
are preferred, and the suction port on said rock gas collecting tank, middle pressure gas holder and the high pressure tank all is located at the tank body middle and lower part, and near being provided with at the bottom of the jar, are convenient to import water and contamination precipitation in the rock gas; The tank body middle and upper part then is located in the air outlet, and near the tank deck setting, is convenient to export that water and impurity content diminish in the rock gas, is beneficial to the natural gas filter life-time dilatation.
are further, on the natural-gas transfer pipeline in said high pressure tank downstream, also are provided with the switching control pilot of giving vent to anger in the utility model.
The working principle of
the utility model is following: during proper functioning; The rock gas of discharging from oil well casing gets in the jar through the suction port of natural-gas transfer pipeline from the rock gas collecting tank, because the effect of air-flow buffer, the air-flow impulse force reduces widely; Eddy current and the flow velocity of rock gas in jar also reduces widely and reduces; Water that mixes in the rock gas and impurity are deposited in a jar inner bottom part, and rock gas is arranged in most spaces of jar middle and upper part.When electric piston formula compressor pump was worked, natural gas filter was to the intakeport of electric piston formula compressor pump, through the compression of electric piston formula compressor pump in the natural gas via jar in the rock gas collecting tank; Pressure raises after one-way valve is pressed gas holder in getting into; Equally, because the effect of air-flow buffer, the air-flow impulse force reduces widely; Eddy current and the flow velocity of rock gas in jar also reduces widely and reduces; Water that mixes in the rock gas and impurity are deposited in a jar inner bottom part, and rock gas is arranged in most spaces of jar middle and upper part.Press natural gas filter and air inlet distributing valve group in the gas holder in the natural gas via; Get into the supercharging once more of hydraulic piston type suction booster; Get into high pressure tank through the distributing valve of giving vent to anger then; Be elevated to the value of requirement to the pressure of rock gas, be transported in the corresponding means of transportation after opening through the switching control pilot of giving vent to anger at last.
the utility model increases, subtracts the supercharging progression of multistage compression recovering device according to the compressed pressure required value of rock gas.According to the oil well quantity and the amount of natural gas of collecting rock gas, parameters such as the volume of adjusting gas holder, each suction booster, discharge capacity.Require and the storage time volume of design high pressure tank according to the high-pressure natural gas gas-storing capacity.
The volume of
rock gas collecting tank and middle pressure gas holder is according to the flow of its input, volume, the gas-storing capacity matching Design of compression front and back rock gas.The storage volume design as required of the volume of high pressure tank.The intensity of each gas holder all is according to the force value matching Design in it.So, can under the prerequisite that satisfies usage requirement, safety, accomplish minimum to volume, manufacture cost is minimum, transportation, easy for installation, institute takes up space little.Since the utility model in when work will be to rock gas water, impurity repeatedly precipitates and filters, so the height of the rock gas purity after compressing makes that the utility model is difficult for breaking down, long service life.
The utility model has the advantages that:
1. the utility model can realize that the multistage compression of individual well, many casings rock gas reclaims automatically; Can effectively solve the waste of present oil field well casing rock gas and the problems such as pollution that gas-firing brings environment; Also solved the oil well dispersion; Quantity is many, and needing a large amount of personnel is its difficult problem on duty.
are the utility model low cost of manufacture 2.; Transportation, easy for installation; Institute takes up space little, and since the utility model in when work will be to rock gas water, impurity repeatedly precipitates and filters, so the height of the rock gas purity after compressing; Make that the utility model is difficult for breaking down, long service life.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Fig. 1 is the utility model structural representation.
wherein: 1, rock gas collecting tank; 2, collecting tank safety valve; 3, collecting tank air-flow buffer; 4, collecting tank natural gas filter; 5, collecting tank draining blowdown valve; 6, electric piston formula compressor pump; 7, one-way valve; 8, middle pressure gas holder; 9, middle pressure jar safety valve; 10, middle pressure jar air-flow buffer; 11, middle pressure jar natural gas filter; 12, middle pressure jar draining blowdown valve; 13, the first air inlet distributing valve; 14, the second air inlet distributing valve; 15, hydraulic piston type suction booster; 16, oil hydraulic cylinder; 17, first distributing valve of giving vent to anger; 18, second distributing valve of giving vent to anger; 19, high pressure tank; 20, pressure pan draining blowdown valve; 21, pressure pan air-flow buffer; 22, pressure pan natural gas filter; 23, pressure pan safety valve; 24, the switching control pilot of giving vent to anger.
Embodiment
embodiment: this oil field well casing rock gas multistage compression recovering device that present embodiment provides comprises that order is serially connected in the rock gas collecting tank 1 on the natural-gas transfer pipeline, middle pressure gas holder 8 and high pressure tank 19; Natural-gas transfer pipeline between said rock gas collecting tank 1 and the middle pressure gas holder 8 is provided with first order suction booster, and the natural-gas transfer pipeline between middle pressure gas holder 8 and the high pressure tank 19 is provided with second level suction booster.Natural-gas transfer pipeline between said first order suction booster and the middle pressure gas holder 8 is provided with one-way valve 7, and also is provided with the switching control pilot 24 of giving vent to anger on the natural-gas transfer pipeline in said high pressure tank 19 downstream.
First order suction booster is an electric piston formula compressor pump 6 described in
present embodiment, and second level suction booster is a hydraulic piston type suction booster 15.Said hydraulic piston type suction booster 15 comprises piston type suction booster body, oil hydraulic cylinder 16 and inlet, outlet distributing valve group, and the intrinsic piston base of said piston type suction booster links to each other with oil hydraulic cylinder 16; Said air inlet distributing valve group is made up of first, second air inlet distributing valve 13,14, and the distributing valve group of giving vent to anger is made up of first, second distributing valve 17,18 of giving vent to anger; Said piston type suction booster body is provided with two suction ports and two air outlets; Said two suction ports link to each other with natural-gas transfer pipeline through the subtube that is provided with first, second air inlet distributing valve 13,14 respectively, and two air outlets then link to each other with natural-gas transfer pipeline through being provided with first, second subtube of giving vent to anger distributing valve 17,18 respectively.
Be equipped with pressure transducer (not drawing among the figure) in rock gas collecting tank described in
present embodiment 1 and the middle pressure gas holder 8, connect and control the start and stop of electric piston formula compressor pump 6 and hydraulic piston type suction booster 15 respectively.When the gas of the suction booster of correspondence input during less than normal value, pressure transducer will drive this pump automatic deloading or quit work, and reduce electric waste.When the gas of the suction booster of correspondence input reaches normal value; Pressure transducer will drive this pump again and start automatically and proper functioning, thereby realize the automatic control of present embodiment, efficiently solve oil well and disperse; Quantity is many, and needing a large amount of personnel is its difficult problem on duty.
In
present embodiment, the suction port on said rock gas collecting tank 1, middle pressure gas holder 8 and the high pressure tank 19 all is located at the tank body middle and lower part, and near being provided with at the bottom of the jar, is convenient to import water and contamination precipitation in the rock gas; The tank body middle and upper part then is located in the air outlet, and near the tank deck setting, is convenient to export that water and impurity content diminish in the rock gas, is beneficial to the natural gas filter life-time dilatation.
Rock gas collecting tank 1 inherence is provided with collecting tank air-flow buffer 3 near the place of its suction port described in
present embodiment; The suction port that said gas delivering pipe stretches into rock gas collecting tank 1 links to each other with said collecting tank air-flow buffer 3; Said rock gas collecting tank 1 inherence is provided with collecting tank natural gas filter 4 near the place of its air outlet simultaneously, and said natural-gas transfer pipeline stretches into the air outlet and links to each other with collecting tank natural gas filter 4.Press gas holder 8 inherences to be provided with the middle jar air-flow buffer 10 of pressing in said near the place of its suction port; During stretching into, said gas delivering pipe press the suction port of gas holder 8 to link to each other with the said middle jar air-flow buffer 10 of pressing; Press gas holder 8 inherences to be provided with the middle jar natural gas filter 11 of pressing near the place of its air outlet in simultaneously said, said natural-gas transfer pipeline stretches into the air outlet and links to each other with a middle pressure jar natural gas filter 11.Said high pressure tank 19 inherences are provided with pressure pan air-flow buffer 21 near the place of its suction port; The suction port that said gas delivering pipe stretches into high pressure tank 19 links to each other with said pressure pan air-flow buffer 21; Said high pressure tank 19 inherences are provided with pressure pan natural gas filter 22 near the place of its air outlet simultaneously, and said natural-gas transfer pipeline stretches into the air outlet and links to each other with pressure pan natural gas filter 22.
Rock gas collecting tank 1 is provided with collecting tank safety valve 2 at tank deck described in
present embodiment, and at the bottom of jar, is provided with collecting tank blowdown drain valve 5; Press gas holder 8 in tank deck is provided with, to press a jar safety valve 9 in said, and in being provided with at the bottom of the jar, press a jar draining blowdown valve 12; Said high pressure tank 19 is provided with pressure pan safety valve 23 at tank deck, and at the bottom of jar, is provided with pressure pan draining blowdown valve 20.
The working principle of
present embodiment is following: the natural gas via natural-gas transfer pipeline of from oil well casing, discharging feeds from the suction port of rock gas collecting tank 1; Behind the collecting tank air-flow buffer 3 that is located at the tubbiness porous in the rock gas collecting tank 1; Apertures numerous on the circumference wall through this collecting tank air-flow buffer 3 flow into rock gas collecting tank 1; Airspeed is reduced, and it is faint that the air-flow impulse force becomes, thereby with lower flow rate and direction collecting tank natural gas filter 4; At the bottom of water in the rock gas and impurity were convenient to be deposited in jar, rock gas was arranged in most spaces of jar middle and upper part.Collecting tank draining this moment blowdown valve 5 cuts out, and collecting tank safety valve 2 then is adjusted to required pressure, and water at the bottom of being deposited in jar and impurity are through opening outside collecting tank draining blowdown valve 5 drain tanks.When gas pressure in the jar reached the adjusting pressure of collecting tank safety valve 2, collecting tank safety valve 2 was opened automatically, and gas pressure stops to continue to rise in jar; Under the effect of pressure reduction, natural gas via collecting tank natural gas filter 4 filters out impurity, gets into the intakeport of electric piston formula compressor pump 6, after 6 superchargings of electric piston formula suction booster, presses gas holder 8 through one-way valve 7, middle pressure jar air-flow buffer 10 in getting into; That presses gas holder 8 in said middlely presses a jar safety valve 9, middlely presses a jar air-flow buffer 10, middlely presses a jar natural gas filter 11, middlely presses identical in jar effect of draining blowdown valve 12 and working principle and the rock gas collecting tank 1.With after middle first, second air inlet distributing valve 13,14 of natural gas via of pressing jar natural gas filter 11 to filter gets into hydraulic piston type suction boosters 15; After 15 superchargings of hydraulic piston type suction booster, get into high pressure tank 19 through first, second distributing valve 17,18 of giving vent to anger from outlet; The pressure pan air-flow buffer 21 of said high pressure tank 19, also identical in the pressure pan draining blowdown valve 20, the effect of pressure pan natural gas filter 22 and pressure pan safety valve 23 and working principle and rock gas collecting tank 1.In high pressure tank 19, reach the compressed natural gas of requirement pressure subsequently, be transported in the corresponding means of transportation after opening through the switching control pilot 24 of giving vent to anger at last.
the above; Be merely the preferred embodiment of the utility model; Can not limit the scope that the utility model is implemented with this, all simple conversion of doing according to the utility model claim and description all should still belong to the protection domain of the utility model.
Claims (9)
1. an oil field well casing rock gas multistage compression recovering device is characterized in that comprising that order is serially connected in rock gas collecting tank (1), middle pressure gas holder (8) and the high pressure tank (19) on the natural-gas transfer pipeline; Natural-gas transfer pipeline between said rock gas collecting tank (1) and the middle pressure gas holder (8) is provided with first order suction booster, and the natural-gas transfer pipeline between middle pressure gas holder (8) and the high pressure tank (19) is provided with second level suction booster.
2. oil field well casing rock gas multistage compression recovering device according to claim 1; It is characterized in that being equipped with pressure transducer in said rock gas collecting tank (1) and the middle pressure gas holder (8), connect and control the start and stop of first and second grade suction booster respectively.
3. oil field well casing rock gas multistage compression recovering device according to claim 1 is characterized in that also being provided with one-way valve (7) on the natural-gas transfer pipeline between said first order suction booster and the middle pressure gas holder (8).
4. according to claim 1 or 2 or 3 described oil field well casing rock gas multistage compression recovering devices, it is characterized in that said first order suction booster is an electric piston formula compressor pump (6), and second level suction booster is hydraulic piston type suction booster (15).
5. oil field well casing rock gas multistage compression recovering device according to claim 4; It is characterized in that said hydraulic piston type suction booster (15) comprises piston type suction booster body, oil hydraulic cylinder (16) and inlet, outlet distributing valve group, the intrinsic piston base of said piston type suction booster links to each other with oil hydraulic cylinder (16); Said air inlet distributing valve group is made up of two air inlet distributing valves (13,14), and the distributing valve group of giving vent to anger is made up of two distributing valves of giving vent to anger (17,18); Said piston type suction booster body is provided with two suction ports and two air outlets; Said two suction ports link to each other with natural-gas transfer pipeline through the subtube that is provided with air inlet distributing valve (13,14) respectively, and two air outlets then link to each other with natural-gas transfer pipeline through the subtube that is provided with the distributing valve of giving vent to anger (17,18) respectively.
6. oil field well casing rock gas multistage compression recovering device according to claim 1; It is characterized in that the inherent place near its suction port of said rock gas collecting tank (1), middle pressure gas holder (8) and high pressure tank (19) is equipped with air-flow buffer (3,10,21); Said gas delivering pipe stretches into suction port and links to each other with said air-flow buffer (3,10,21); The inherent place near its air outlet of said rock gas collecting tank (1), middle pressure gas holder (8) and high pressure tank (19) is equipped with natural gas filter (4,11,22) simultaneously, and said natural-gas transfer pipeline stretches into the air outlet and links to each other with natural gas filter (4,11,22).
7. according to claim 1 or 6 described oil field well casing rock gas multistage compression recovering devices; It is characterized in that said rock gas collecting tank (1), middle pressure gas holder (8) and high pressure tank (19) all are provided with safety valve (2,9,23) at tank deck, then are provided with draining blowdown valve (5,12,20) at the bottom of jar.
8. oil field well casing rock gas multistage compression recovering device according to claim 6; It is characterized in that the suction port on said rock gas collecting tank (1), middle pressure gas holder (8) and the high pressure tank (19) all is located at the tank body middle and lower part; And near being provided with at the bottom of the jar; The tank body middle and upper part then is located in the air outlet, and near the tank deck setting.
9. according to claim 1 or 6 or 8 described oil field well casing rock gas multistage compression recovering devices, it is characterized in that also being provided with the switching control pilot of giving vent to anger (24) on the natural-gas transfer pipeline in said high pressure tank (19) downstream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120273078 CN202152915U (en) | 2011-07-29 | 2011-07-29 | Multi-stage gas compression and recovery device for oil well casing in oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120273078 CN202152915U (en) | 2011-07-29 | 2011-07-29 | Multi-stage gas compression and recovery device for oil well casing in oil field |
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| Publication Number | Publication Date |
|---|---|
| CN202152915U true CN202152915U (en) | 2012-02-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120273078 Expired - Fee Related CN202152915U (en) | 2011-07-29 | 2011-07-29 | Multi-stage gas compression and recovery device for oil well casing in oil field |
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| CN (1) | CN202152915U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297336A (en) * | 2011-07-29 | 2011-12-28 | 西安交通大学苏州研究院 | Multistage compressing and recovering device for natural gas in oil-well casing of oil field |
| CN103090189A (en) * | 2013-02-06 | 2013-05-08 | 李连清 | Multilevel reciprocating natural gas extracting compression equipment |
| CN104405343A (en) * | 2014-11-17 | 2015-03-11 | 中国石油天然气股份有限公司 | A device for recovering associated gas in a cluster well group and its recovery method |
| CN105972432A (en) * | 2016-07-04 | 2016-09-28 | 无锡欧洛普科技有限公司 | Booster pump for natural gas pipeline |
| CN114235301A (en) * | 2021-11-09 | 2022-03-25 | 上海贤日测控科技有限公司 | Air tightness detection system and method thereof |
-
2011
- 2011-07-29 CN CN 201120273078 patent/CN202152915U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297336A (en) * | 2011-07-29 | 2011-12-28 | 西安交通大学苏州研究院 | Multistage compressing and recovering device for natural gas in oil-well casing of oil field |
| CN103090189A (en) * | 2013-02-06 | 2013-05-08 | 李连清 | Multilevel reciprocating natural gas extracting compression equipment |
| CN104405343A (en) * | 2014-11-17 | 2015-03-11 | 中国石油天然气股份有限公司 | A device for recovering associated gas in a cluster well group and its recovery method |
| CN105972432A (en) * | 2016-07-04 | 2016-09-28 | 无锡欧洛普科技有限公司 | Booster pump for natural gas pipeline |
| CN114235301A (en) * | 2021-11-09 | 2022-03-25 | 上海贤日测控科技有限公司 | Air tightness detection system and method thereof |
| CN114235301B (en) * | 2021-11-09 | 2024-05-03 | 上海贤日测控科技有限公司 | Air tightness detection system and method thereof |
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