CN201502357U - Constant-pressure automatic gas discharge/collecting device of oil well sleeve - Google Patents

Constant-pressure automatic gas discharge/collecting device of oil well sleeve Download PDF

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Publication number
CN201502357U
CN201502357U CN2009202266625U CN200920226662U CN201502357U CN 201502357 U CN201502357 U CN 201502357U CN 2009202266625 U CN2009202266625 U CN 2009202266625U CN 200920226662 U CN200920226662 U CN 200920226662U CN 201502357 U CN201502357 U CN 201502357U
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CN
China
Prior art keywords
valve
piston
pressure
getter
spring
Prior art date
Application number
CN2009202266625U
Other languages
Chinese (zh)
Inventor
邓子刚
高小忠
孙宝国
彭涛
张树东
朱新华
邢君
李海
Original Assignee
中国石化集团胜利石油管理局石油开发中心
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中国石化集团胜利石油管理局石油开发中心 filed Critical 中国石化集团胜利石油管理局石油开发中心
Priority to CN2009202266625U priority Critical patent/CN201502357U/en
Application granted granted Critical
Publication of CN201502357U publication Critical patent/CN201502357U/en

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Abstract

The utility model relates to a constant-pressure automatic gas discharge/collecting device of an oil well sleeve, mainly consisting of a lower valve body, an upper valve body, an inner valve body, a valve ball, a lower piston, an upper piston, a spring, a pressure regulating bar and a pressure cap. The lower valve body, the upper valve body and the inner valve body are cylindrical; the lower valve body is in threaded connection with the upper valve body which is in threaded connection with the middle lower part of the inner valve body; the inner valve body is sheathed in the upper valve body; the lower end of the inner valve body is in sealed connection with the upper end of the lower valve body; a ball seat with the reverse angle of 45 degrees is arranged on the inner periphery of the upper end of the lower valve body; the ball seat is provided with the valve ball, on which the lower piston with a piston rod is pressed; the lower piston is arranged in a piston cavity arranged in the middle of the inner valve body; the piston cavity at the upper part of the lower piston is internally provided with hydraulic oil; the upper piston is arranged at the upper part of the hydraulic oil; a spring is arranged at the upper part of the upper piston; a pressure regulating bar is arranged at the upper part of the spring; the pressure regulating bar is in threaded connection with the upper end of the inner valve body and the pressure cap arranged at the upper end; a pressure gauge is arranged at the periphery side of the lower part in the inner valve body; a communicating hole is arranged at the periphery side at the lower part; an air outlet is arranged at the periphery side of the upper valve body; and an air inlet is arranged in the centre of the lower valve body.

Description

The well casing gas level pressure is arranged the getter device automatically
One, technical field
The utility model relates to the well casing gas level pressure that a kind of rod-pumped well of putting the production of sleeve pipe gas uses and arranges the getter device automatically.
Two, background technology
At present, give birth in the manufacturing process at oil-field oil pumper, the producing fluid level of oil casing annular space is that the prolongation along with the time of recovering the oil is constantly fluctuation, the producing fluid level height is under oil well pump situation working properly, pump efficiency is just high, for the high rod-pumped well of air content, the casing pressure height, the just low pump efficiency of producing fluid level is just low, must regularly outwards discharge sleeve pipe gas in order to improve producing fluid level, directly outwards discharging not only wastes energy but also cause environment pollution, moreover, owing to put sleeve pipe gas is that artificial switch cover pipe closer carries out, be difficult to control discharge quantity size, easily oil reservoir produced and impact, lose the balance of water filling energy and stratum energy, easily cause shake out serious or formation blockage, make the positive benefit of putting sleeve pipe gas raising pump efficiency produce negative benefit on the contrary.
Three, summary of the invention
The purpose of this utility model provides a kind of well casing gas level pressure and arranges the getter device automatically, and what solve above-mentioned prior art existence easily causes the problem that injures over the ground to the airborne release sleeve pipe blast expense energy, contaminated environment and artificial control venting.
The technical solution of the utility model realizes in the following manner:
The utility model is mainly by following valve body, upper valve body, inner valve body, valve ball, lower piston, upper piston, spring, pressure regulation bar and pressure cap are formed, it is characterized in that valve body down, upper valve body and inner valve body are made as cylindrical, following valve body is threaded with upper valve body, upper valve body is threaded with the inner valve body middle and lower part, inner valve body is enclosed within the upper valve body, the inner valve body lower end interlocks with following valve body upper end and is tightly connected, in following valve body upper end, be provided with the ball seat of 45 ° of chamferings week, sit on the ball seat valve ball is arranged, be pressed with the lower piston of band piston rod on the valve ball, lower piston is in the set plunger shaft in inner valve body middle part, the lower piston upper piston is provided with hydraulic oil in the chamber, is provided with upper piston on the top of hydraulic oil, is provided with spring on the top of upper piston, be provided with the pressure regulation bar on the top of spring, the set pressure cap in pressure regulation bar and inner valve body upper end and upper end is threaded, and inner valve body middle and lower part week side is provided with pressure meter, and all sides in bottom are provided with intercommunicating pore, upper valve body week, side was provided with the gas outlet, and following valve body center is provided with air inlet port.
Inner valve body top is littler than middle part internal diameter, and the middle part is littler than bottom internal diameter, and the top external diameter is littler than lower outer diameter, and top is provided with box thread, and male thread is established in the middle and lower part, and middle and lower part week side is provided with pressure gauge connection.
Upper valve body upper and lower internal diameter is identical, is provided with box thread, and the middle part internal diameter is greater than the inner valve body diameter, and middle and lower part week side is established flanged (FLGD) gas outlet.
The lower piston center of going to the bottom is provided with piston rod, and piston-rod lower end is provided with recessed formula arcwall face, and the lower piston periphery is provided with sealing ring.
Pressure regulation bar upper end is provided with horizontal lever hole, and the bottom is provided with the centering ring that is slightly less than the inner valve body internal diameter, and the bottom is provided with the post of setting upright less than spring inside diameter.
The center, top is provided with the post of setting upright less than spring inside diameter on the upper piston, and periphery is provided with sealing ring.
Air inlet port links to each other with sleeve gate by pipeline, and the gas outlet links to each other by the later petroleum pipeline of pipeline and back pressure gate or with the getter jar.
The utlity model has following advantage:
1, rational in infrastructure, can set the pressure of putting sleeve pipe gas freely, can be under the situation of the force value of setting, the automatic getter of automatic deflation has been avoided energy loss and environment pollution;
2, under the effect of spring, pressure at expulsion is even, can not produce the suddenly big or suddenly small impact that can not cause formation pressure, can not cause to shake out seriously, also can not stop up oil reservoir;
3, designed pressure meter, set and put the sleeve pipe atmospheric pressure relatively intuitively accurately.
Four, description of drawings
Accompanying drawing is a structural representation of the present utility model
Valve body 2-air inlet port 3-valve ball 4-gas outlet 5-lower piston 6-upper valve body 7-inner valve body 8-plunger shaft 9-upper piston 10-sealing ring 11-spring 12-centering ring 13-pressure cap 14-pressure regulation bar 15-pressure meter under the 1-among the figure
Five, the specific embodiment:
For further disclosing the technical solution of the utility model, elaborate by embodiment below in conjunction with Figure of description:
The utility model is by following valve body 1, upper valve body 6, inner valve body 7, valve ball, lower piston 5, upper piston 9, spring 11, pressure regulation bar 14, form with pressure cap 13 and pressure meter 15, it is characterized in that valve body down, upper valve body and inner valve body are made as cylindrical, following valve body is threaded with upper valve body, upper valve body is threaded with the inner valve body middle and lower part, inner valve body is enclosed within the upper valve body, the inner valve body lower end interlocks with following valve body upper end and is tightly connected, in following valve body upper end, be provided with the ball seat of 45 ° of chamferings week, sit on the ball seat valve ball is arranged, be pressed with the lower piston of band piston rod on the valve ball, lower piston is in the set plunger shaft 8 in inner valve body middle part, the lower piston upper piston is provided with hydraulic oil in the chamber, is provided with upper piston on the top of hydraulic oil, is provided with spring on the top of upper piston, be provided with the pressure regulation bar on the top of spring, the set pressure cap in pressure regulation bar and inner valve body upper end and upper end is threaded, and inner valve body middle and lower part week side is provided with pressure meter, and all sides in bottom are provided with intercommunicating pore, upper valve body week, side was provided with gas outlet 4, and following valve body center is provided with air inlet port 2.
When using the utility model, at first air inlet port is connected with sleeve gate by pipeline, the gas outlet is connected or is connected with the getter jar by the later petroleum pipeline of pipeline and back pressure gate.Open some sleeve gates slightly, gas enters from air inlet port 2, back down valve ball 3,4 discharges enter the getter jar to gas from the gas outlet, rotate pressure regulation bar 14 this moment by preface pressing spring 11, upper piston 9, hydraulic oil, lower piston 5 and valve ball 3,15 pressures of pressure meter, open sleeve gate greatly this moment, continues rotation pressure regulation bar again, when treating to be shown to the blow off pressure of setting on the pressure meter, setting pressure work finishes, when the sleeve pipe atmospheric pressure is lower than setting pressure, stop venting, begin venting when being higher than setting pressure again, when getter pressure tank during soon near setting pressure, change a getter jar again, the getter jar of changing is moved to the natural gas processing station reclaim.If in petroleum pipeline, reclaim gas, must be higher than ability normal exhaust more than the Oil Well Back Pressure 200Pa setting blow off pressure, having only casing pressure to be higher than wellhead back pressure and could adopt toward the interior method that reclaims gas of petroleum pipeline, generally all is the method that adopts toward the interior venting of getter jar.

Claims (7)

1. a well casing gas level pressure is arranged the getter device automatically, mainly by following valve body, upper valve body, inner valve body, valve ball, lower piston, upper piston, spring, pressure regulation bar and pressure cap are formed, it is characterized in that valve body down, upper valve body and inner valve body are made as cylindrical, following valve body is threaded with upper valve body, upper valve body is threaded with the inner valve body middle and lower part, inner valve body is enclosed within the upper valve body, the inner valve body lower end interlocks with following valve body upper end and is tightly connected, in following valve body upper end, be provided with the ball seat of 45 ° of chamferings week, sit on the ball seat valve ball is arranged, be pressed with the lower piston of band piston rod on the valve ball, lower piston is in the set plunger shaft in inner valve body middle part, the lower piston upper piston is provided with hydraulic oil in the chamber, top at hydraulic oil is provided with upper piston, top at upper piston is provided with spring, be provided with the pressure regulation bar on the top of spring, the set pressure cap in pressure regulation bar and inner valve body upper end and upper end is threaded, inner valve body middle and lower part week side is provided with pressure meter, bottom week side is provided with intercommunicating pore, upper valve body week, side was provided with the gas outlet, and following valve body center is provided with air inlet port.
2. well casing gas level pressure according to claim 1 is arranged the getter device automatically, it is characterized in that inner valve body top is littler than middle part internal diameter, and the middle part is littler than bottom internal diameter, the top external diameter is littler than lower outer diameter, top is provided with box thread, and male thread is established in the middle and lower part, and middle and lower part week side is provided with pressure gauge connection.
3. well casing gas level pressure according to claim 1 is arranged the getter device automatically, it is characterized in that upper valve body upper and lower internal diameter is identical, is provided with box thread, and the middle part internal diameter is greater than the inner valve body diameter, and middle and lower part week side is provided with flanged (FLGD) gas outlet.
4. well casing gas level pressure according to claim 1 is arranged the getter device automatically, it is characterized in that the lower piston center of going to the bottom is provided with piston rod, and piston-rod lower end is provided with recessed formula arcwall face, and the lower piston periphery is provided with sealing ring.
5. well casing gas level pressure according to claim 1 is arranged the getter device automatically, it is characterized in that pressure regulation bar upper end is provided with horizontal lever hole, and the bottom is provided with the centering ring that is slightly less than the inner valve body internal diameter, and the bottom is provided with the post of setting upright less than spring inside diameter.
6. well casing gas level pressure according to claim 1 is arranged the getter device automatically, it is characterized in that center, top on the upper piston is provided with the post of setting upright less than spring inside diameter, and periphery is provided with sealing ring.
7. well casing gas level pressure according to claim 1 is arranged the getter device automatically, it is characterized in that air inlet port links to each other with sleeve gate by pipeline, and the gas outlet links to each other by the later petroleum pipeline of pipeline and back pressure gate or with the getter jar.
CN2009202266625U 2009-09-12 2009-09-12 Constant-pressure automatic gas discharge/collecting device of oil well sleeve CN201502357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202266625U CN201502357U (en) 2009-09-12 2009-09-12 Constant-pressure automatic gas discharge/collecting device of oil well sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202266625U CN201502357U (en) 2009-09-12 2009-09-12 Constant-pressure automatic gas discharge/collecting device of oil well sleeve

Publications (1)

Publication Number Publication Date
CN201502357U true CN201502357U (en) 2010-06-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202266625U CN201502357U (en) 2009-09-12 2009-09-12 Constant-pressure automatic gas discharge/collecting device of oil well sleeve

Country Status (1)

Country Link
CN (1) CN201502357U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102877814A (en) * 2012-10-18 2013-01-16 蒙善祥 Composite sealing plug valve with automatic control and manual control double control functions
CN104047567A (en) * 2013-03-13 2014-09-17 中国石油天然气股份有限公司 Automatic oil well exhaust valve, gas purifying device and method
CN104358547A (en) * 2014-11-12 2015-02-18 中国石油天然气股份有限公司 Gas-liquid separation-type casing gas recycling device
CN104514521A (en) * 2013-09-27 2015-04-15 中国石油天然气股份有限公司 Access type associated gas recycling device
WO2018170952A1 (en) * 2017-03-20 2018-09-27 李金权 Novel oil hydraulic control valve device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102877814A (en) * 2012-10-18 2013-01-16 蒙善祥 Composite sealing plug valve with automatic control and manual control double control functions
CN104047567A (en) * 2013-03-13 2014-09-17 中国石油天然气股份有限公司 Automatic oil well exhaust valve, gas purifying device and method
CN104514521A (en) * 2013-09-27 2015-04-15 中国石油天然气股份有限公司 Access type associated gas recycling device
CN104358547A (en) * 2014-11-12 2015-02-18 中国石油天然气股份有限公司 Gas-liquid separation-type casing gas recycling device
WO2018170952A1 (en) * 2017-03-20 2018-09-27 李金权 Novel oil hydraulic control valve device

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100609

Termination date: 20100912