CN213684063U

CN213684063U - Automatic pressure relief blowout preventer of oil well

Info

Publication number: CN213684063U
Application number: CN202022855050.1U
Authority: CN
Inventors: 张鑫; 李呈祥
Original assignee: Yancheng Jinju Oil Machinery Manufacture Co ltd
Current assignee: Yancheng Jinju Oil Machinery Manufacture Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-07-13
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses an automatic pressure release blowout preventer of oil well, including preventing spouting the room, pressure relief room and burner port, prevent spouting the room and keep away from the one side fixed connection fixed joint of pressure relief room, prevent spouting room and fixed joint vertically one end fixed connection air chamber, prevent spouting the one side fixed connection grease chamber that the air chamber was kept away from to the room, the one end fixed connection who prevents spouting the room is kept away from to the grease chamber leads the hydraulic fluid port, the one side fixed connection gas pipeline that the air chamber is close to the grease chamber, the one side fixed connection gas pipeline valve of burner port is kept away from to the gas pipeline, the one side fixed connection liquid pipeline valve of burner port is kept away from to the grease chamber, the one side fixed connection gas-liquid pressure meter of burner port is kept away from to the liquid pipeline, the one side fixed connection oil well pipeline of. The device simple structure, the modern design can burn the waste gas that is given first place to by the natural gas that can not collect, can avoid the pollution to the environment, through spring and sealed piston, ensures that the device can automatic pressure release.

Description

Automatic pressure relief blowout preventer of oil well

Technical Field

The utility model relates to an automatic pressure release preventer technical field of oil well specifically is an automatic pressure release preventer of oil well.

Background

The blowout preventer is used for closing a wellhead in the operation processes of oil testing, well workover, well completion and the like to prevent blowout accidents, integrates the full sealing function and the half sealing function into a whole, has the characteristics of simple structure, easy operation, high pressure resistance and the like, and is a well mouth safety sealing device for preventing blowout commonly used in oil fields. When in specific use, the blowout preventer is installed on a wellhead casing head. When the pressure of oil gas in the well is very high, the blowout preventer can seal the well mouth. As shown in connection with the field of operation and the working principle, the blowout preventer needs a good sealing effect to ensure safety in use. However, after the existing blowout preventer is closed to a wellhead, once the pressure in the well is higher than the rated pressure of the blowout preventer, the potential explosion hazard can be caused, and the potential safety hazard can be brought to petroleum operation. Therefore, the automatic pressure relief blowout preventer for the oil well is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an automatic pressure release blowout preventer of oil well, including preventing spouting room, pressure relief room and burner port, prevent spouting the room and keep away from the one side fixed connection fixed joint of pressure relief room, prevent spouting room and fixed joint vertically one end fixed connection air chamber, prevent spouting the one side fixed connection grease chamber that the air chamber was kept away from to the room, the hydraulic fluid port is led to the one end fixed connection that the grease chamber was kept away from to the grease chamber, the one side fixed connection gas pipeline of burner port is kept away from to the air chamber, the one side fixed connection gas pipeline valve of burner port is kept away from to the gas pipeline, the one side fixed connection liquid pipeline valve of burner port is kept away from to the grease pipeline, the one side fixed connection gas-liquid pressure meter of burner port is kept away from to the liquid pipeline towards the one end fixed connection oil well pipeline of gas pipeline, the one side fixed.

As a preferred technical scheme of the utility model, the inside transmission of pressure release chamber connects sealed piston, sealed piston keeps away from the one side fixed connection spring of preventing spouting the room, the one end fixed connection pressure release room of preventing spouting the room is kept away from to the spring, the combustion seat hole is seted up to the one side that the pressure release room is close to the burner port.

As the utility model discloses a preferred technical scheme, the burner port is for extending the cylinder structure, the one end that the anti-spray chamber was kept away from to the burner port inlays establishes installation burning manometer, the one end that the burner port is close to the grease chamber inlays establishes installation combustion flap.

As an optimal technical scheme of the utility model, air chamber, grease chamber, fixed joint, oil well pipeline, liquid pipeline and gas piping are the pipe connection, prevent spouting room integral seal.

As an optimized technical scheme of the utility model, the built-in anti-return valve of burner port, the anti-return valve is connected in the combustion valve transmission.

As an optimized technical scheme of the utility model, liquid pipeline valve and gas pipeline valve protrusion blowout control room, liquid pipeline valve and gas pipeline valve and the sealed cushion of position installation of blowout control room outer wall joint.

As an optimized technical scheme of the utility model, the protruding blowout preventer surface of gas-liquid pressure gauge display surface, gas-liquid pressure gauge is circular structure.

The utility model has the advantages that: this kind of automatic pressure release preventer of oil well, the combustion seat hole is seted up to the one side that the pressure release room is close to the burner port, when preventing the indoor atmospheric pressure of blowout, gas can promote the spring shrink, treat that sealed piston moves combustion seat hole top, gas can get into the burner port through the combustion seat hole, can ensure the atmospheric pressure in the device stable, the internal gas pressure of spring induction system, can play the function of automatic pressure release, the device's intelligence has been ensured, gas in the oil well mainly is the natural gas, the natural gas that can't collect can lead to the fact very big atmospheric pressure in the device, the device of burner port, can burn the natural gas that can't collect, ensure can not polluted environment, and combustion valve and burning manometer have guaranteed the accurate control of user to the device burning natural gas.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an automatic pressure relief blowout preventer for an oil well according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of the blowout preventer chamber of the automatic pressure relief blowout preventer for oil wells according to the present invention;

fig. 3 is the internal structure schematic diagram of the pressure relief chamber of the automatic pressure relief blowout preventer for oil wells.

In the figure: 1. an anti-spray chamber; 2. a pressure relief chamber; 3. an air chamber; 4. an oil chamber; 5. an oil guide port; 6. fixing the joint; 7. a combustion valve; 8. a burner port; 9. a combustion pressure gauge; 10. a liquid conduit; 11. a liquid line valve; 12. a gas-liquid pressure gauge; 13. a gas line valve; 14. a gas conduit; 15. an oil well pipe; 16. a sealing piston; 17. a spring; 18. a combustion seat bore.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to an automatic pressure relief blowout preventer for oil wells, which comprises a blowout prevention chamber 1, pressure relief room 2 and burner port 8, one side fixed connection fixed joint 6 that pressure relief room 2 was kept away from to blowout prevention room 1, blowout prevention room 1 and fixed joint 6 vertically one end fixed connection air chamber 3, one side fixed connection grease chamber 4 that air chamber 3 was kept away from to blowout prevention room 1, grease chamber 4 keeps away from blowout prevention room 1's one end fixed connection oil guide port 5, air chamber 3 is close to grease chamber 4's one side fixed connection gas pipeline 14, gas pipeline 14 keeps away from burner port 8's one side fixed connection gas pipeline valve 13, grease chamber 4 is close to air chamber 3's one side fixed connection liquid pipeline 10, liquid pipeline 10 keeps away from burner port 8's one side fixed connection liquid pipeline valve 11, liquid pipeline 10 is towards gas pipeline 14's one end fixed connection oil well pipeline 15, oil well pipeline 15 keeps away from burner port 8's one side fixed connection gas-liquid pressure meter 12.

Wherein, 2 internal gearing of pressure release chamber connects sealed piston 16, sealed piston 16 keeps away from one side fixed connection spring 17 of blowout prevention room 1, spring 17 keeps away from one end fixed connection pressure release chamber 2 of blowout prevention room 1, burning seat hole 18 is seted up to the one side that pressure release chamber 2 is close to burner port 8, when the internal gas pressure of blowout prevention room 1 is too big, gas can promote the spring 17 shrink, treat that sealed piston 16 removes to burning seat hole 18 top, gas can get into burner port 8 through burning seat hole 18, can ensure the atmospheric pressure in the device stable, the internal gas pressure of spring 17 induction system, can play the function of automatic pressure release, the intelligence of the device has been ensured.

Wherein, the burner port 8 is for extending the cylinder structure, the one end that the burner port 8 kept away from blowout prevention room 1 inlays and establishes installation burning manometer 9, the one end that burner port 8 is close to grease chamber 4 inlays and establishes installation combustion valve 7, gas in the grease chamber is mainly the natural gas, the natural gas that can't collect can lead to the fact very big atmospheric pressure in to the device, the device of burner port 8, can burn the natural gas that can't collect, ensure can not polluted environment, and combustion valve 7 and burning manometer 9 have guaranteed the accurate control of user to the device burning natural gas.

The gas chamber 3, the oil chamber 4, the fixed joint 6, the oil well pipeline 15, the liquid pipeline 10 and the gas pipeline 14 are all connected through pipelines, the blowout prevention chamber 1 is integrally sealed, the whole pipelines are connected, the sealing performance of the device is guaranteed, the possibility of gas-liquid leakage is reduced, and the safety of the device is guaranteed.

Wherein, the built-in anti-return valve of

burner port

8, 7 transmission connection anti-return valves of combustion valve, anti-return valve can guarantee when burning waste gas that flame can not burn back in the pipeline, causes the interior gas combustion explosion of device, has further ensured the security performance of device.

Wherein, the sealed cushion of liquid pipeline valve 11 and gas pipeline valve 13 protrusion blowout prevention chamber 1, the sealed cushion of position installation of liquid pipeline valve 11 and gas pipeline valve 13 and the outer wall joint of blowout prevention chamber 1, the manual control of user to the device has been guaranteed to the pipeline valve, can be when the device breaks down, can not influence production efficiency, the security performance of device has also further been guaranteed, the leakproofness of device has been guaranteed to the sealed cushion, can not cause the device weeping gas leakage because of rotating the valve.

Wherein, the gas-liquid pressure gauge 12 shows the surface protrusion and prevents the surface of room 1, and gas-liquid pressure gauge 12 is circular structure, has ensured the user to the control of the interior data of device, can be according to actual need, the governing valve.

The working principle is as follows: whether the device is normal at first, when the inspection finishes, fix fixed joint 6 on the oil well, burning seat hole 18 is seted up to the one side that pressure release chamber 2 is close to burner port 8, when 1 internal gas pressure of blowout preventer is too big, gas can promote the shrink of spring 17, treat that sealed piston 16 moves to burning seat hole 18 top, gas can get into burner port 8 through burning seat hole 18, can ensure that the atmospheric pressure in the device is stable, spring 17 induction system internal gas pressure, can play the function of automatic pressure release, the device's intellectuality has been ensured, gas in the oil well mainly is the natural gas, the natural gas that can't collect can lead to the fact very big atmospheric pressure in the device, burner port 8's device, can burn the natural gas that can't collect, ensure can not pollute the environment, and combustion valve 7 and burning manometer 9 have guaranteed the accurate control of user to the device burning natural gas.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The automatic pressure relief blowout preventer for the oil well comprises a blowout prevention chamber (1), a pressure relief chamber (2) and a combustion port (8), and is characterized in that one side of the blowout prevention chamber (1) far away from the pressure relief chamber (2) is fixedly connected with a fixed joint (6), the blowout prevention chamber (1) is fixedly connected with an air chamber (3) perpendicular to the fixed joint (6), one side of the blowout prevention chamber (1) far away from the air chamber (3) is fixedly connected with an oil chamber (4), one end of the oil chamber (4) far away from the blowout prevention chamber (1) is fixedly connected with an oil guide port (5), one side of the air chamber (3) near to the oil chamber (4) is fixedly connected with a gas pipeline (14), one side of the gas pipeline (14) far away from the combustion port (8) is fixedly connected with a gas pipeline valve (13), one side of the oil chamber (4) near to the air chamber (3) is fixedly connected with a liquid pipeline (10), one side of the liquid pipeline (10) far away from the combustion, one end, facing the gas pipeline (14), of the liquid pipeline (10) is fixedly connected with an oil well pipeline (15), and one surface, far away from the combustion port (8), of the oil well pipeline (15) is fixedly connected with a gas-liquid pressure gauge (12).

2. The automatic pressure relief blowout preventer for oil wells according to claim 1, characterized in that the inside of the pressure relief chamber (2) is in transmission connection with a sealing piston (16), a spring (17) is fixedly connected to one surface of the sealing piston (16) far away from the blowout prevention chamber (1), one end of the spring (17) far away from the blowout prevention chamber (1) is fixedly connected with the pressure relief chamber (2), and a combustion seat hole (18) is formed in one surface of the pressure relief chamber (2) close to the combustion port (8).

3. The blowout preventer according to claim 1, wherein the combustion port (8) is an extended cylinder structure, a combustion pressure gauge (9) is embedded and installed at one end of the combustion port (8) far away from the blowout prevention chamber (1), and a combustion valve (7) is embedded and installed at one end of the combustion port (8) close to the oil chamber (4).

4. The blowout preventer according to claim 1, wherein the air chamber (3), the oil chamber (4), the fixed joint (6), the oil well pipe (15), the liquid pipe (10) and the gas pipe (14) are all connected by pipes, and the blowout preventer (1) is integrally sealed.

5. The blowout preventer according to claim 3, wherein the combustion port (8) is internally provided with a backflow prevention valve, and the combustion valve (7) is in transmission connection with the backflow prevention valve.

6. The blowout preventer according to claim 1, wherein the liquid pipeline valve (11) and the gas pipeline valve (13) protrude from the blowout prevention chamber (1), and sealing cushions are installed at the joint positions of the liquid pipeline valve (11) and the gas pipeline valve (13) and the outer wall of the blowout prevention chamber (1).

7. The blowout preventer according to claim 1, wherein the display surface of the gas-liquid pressure gauge (12) protrudes out of the surface of the blowout preventer (1), and the gas-liquid pressure gauge (12) is of a circular structure.