CN211115901U - Wellhead oil extraction sealing device - Google Patents

Wellhead oil extraction sealing device Download PDF

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Publication number
CN211115901U
CN211115901U CN201922344801.0U CN201922344801U CN211115901U CN 211115901 U CN211115901 U CN 211115901U CN 201922344801 U CN201922344801 U CN 201922344801U CN 211115901 U CN211115901 U CN 211115901U
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sealing
pressure
pipeline
sealed tube
oil recovery
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CN201922344801.0U
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Chinese (zh)
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任皓洁
许文赟
白鹤
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Abstract

The utility model discloses a well head oil recovery sealing device, including the sealed tube, the sealed tube is provided with the sealing ring with the surface of oil recovery well head, the sealed lid of fixing bolt fixedly connected with is passed through on the top of sealed tube, the lateral wall of sealed tube is fixedly connected with pressure measurement mechanism and pressure relief mechanism respectively, pressure measurement mechanism includes the pressure measurement pipeline of fixedly connected at the sealed tube lateral wall through the screw thread nail, the first ring flange of one end fixedly connected with of sealed tube is kept away from to the pressure measurement pipeline. This well head oil recovery sealing device can make sealed tube and oil well be linked together through the sealing ring, when sealed, open the pressure-measuring valve, watch the inside atmospheric pressure change of oil well that the pressure-measuring meter can be very convenient, when the inside atmospheric pressure of oil well is too big, can arrange the inside atmospheric pressure of oil well through pressure release pipeline and connecting pipe and carry out the pressure release in relevant treatment facility through opening the relief valve, thereby reached the effect that reduces the inside atmospheric pressure of oil well, the security around the oil well has been improved.

Description

Wellhead oil extraction sealing device
Technical Field
The utility model relates to an oil recovery import seals technical field, specifically is a well head oil recovery sealing device.
Background
The oil extraction engineering is a general term for various engineering technical measures taken on an oil reservoir through a production well and an injection well according to development targets in the oil field exploitation process, is used as a comprehensive application subject, and researches theories, engineering design methods and implementation technologies of the engineering technical measures which can economically and effectively act on the oil reservoir to improve the yield of the oil well and the recovery ratio of crude oil.
At current oil recovery in-process, need dig and establish the oil recovery well head, the transportation of oil recovery well head mainly makes things convenient for underground petroleum, when the oil recovery well head need not use, need seal it up, prevents that the inside gas leakage that has of oil well from having the flammability, leads to large-scale conflagration or explosion very easily, and complete sealed atmospheric pressure grow that leads to the oil well inside very easily has very big potential safety hazard.
The utility model provides a well head oil recovery sealing device.
Disclosure of Invention
An object of the utility model is to provide a well head oil recovery sealing device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a well head oil recovery sealing device, includes the sealed tube, the sealed tube is provided with the sealing ring with the surface of oil recovery well head, the sealed lid of fixing bolt fixedly connected with is passed through on the top of sealed tube, the lateral wall of sealed tube is fixedly connected with pressure measurement mechanism and pressure release mechanism respectively, pressure measurement mechanism includes the pressure measurement pipeline of fixed connection at the sealed tube lateral wall through the screw, the first ring flange of one end fixedly connected with of sealed tube is kept away from to the pressure measurement pipeline, the one end flange joint that the pressure measurement pipeline was kept away from to first ring flange has the pressure measurement stop valve, the upper surface of pressure measurement stop valve is provided with the.
The pressure relief mechanism includes the pressure relief pipeline of fixedly connected at the sealed tube lateral wall through the screw nail, the one end fixedly connected with second ring flange of sealed tube is kept away from to the pressure relief pipeline, the one end flange joint that the pressure relief pipeline was kept away from to the second ring flange has the connecting pipe.
Preferably, the sealing ring is formed by rotationally connecting two half rings through a rotating shaft, and a clamping bolt is connected to the joint of the sealing ring in a threaded manner.
Preferably, a sealing gasket is arranged between the top end of the sealing pipe and the lower surface of the sealing cover, and the same sealing gasket is arranged at the flange joint of the first flange plate and the second flange plate.
Preferably, the inner wall of sealing ring is provided with the sealing washer, be provided with the same sealing washer between the bottom of sealing tube and the upper surface of oil recovery well head.
Preferably, the outer surface of the pressure measuring pipeline is provided with a pressure measuring valve, and the outer surface of the pressure releasing pipeline is provided with a pressure releasing valve.
Preferably, the sealing pipe, the sealing cover, the pressure measuring pipeline and the pressure relief pipeline are all made of seamless steel pipes, and the sealing gasket and the sealing ring are made of rubber.
Advantageous effects
The utility model provides a well head oil recovery sealing device possesses following beneficial effect:
1. this well head oil recovery sealing device can make sealed tube and oil well be linked together through the sealing ring, when sealed, open the pressure-measuring valve, watch the inside atmospheric pressure change of oil well that the pressure-measuring meter can be very convenient, when the inside atmospheric pressure of oil well is too big, can arrange the inside atmospheric pressure of oil well through pressure release pipeline and connecting pipe and carry out the pressure release in relevant treatment facility through opening the relief valve, thereby reached the effect that reduces the inside atmospheric pressure of oil well, the security around the oil well has been improved.
2. This well head oil recovery sealing device, the junction of chucking sealed tube and oil recovery import that can be fine through the sealing ring, through sealed the phenomenon that the oil recovery well head that prevents that can be fine appears leaking of filling up and sealing washer to well head oil recovery sealed effect has been reached.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;
fig. 3 is a schematic view of the top view structure of the present invention.
In the figure: 1 sealed tube, 2 sealing rings, 3 fixing bolt, 4 sealed lids, 5 screw nails, 6 pressure measurement pipelines, 7 first ring flange, 8 pressure measurement stop valves, 9 pressure gauges, 10 pressure release pipelines, 11 second ring flange, 12 connecting pipes, 13 pivot, 14 chucking bolts, 15 sealed pads, 16 sealing rings, 17 pressure measurement valves, 18 relief valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a well head oil recovery sealing device, including sealed tube 1, sealed tube 1 is provided with sealing ring 2 with the surface of oil recovery well head, sealing ring 2 is rotated through pivot 13 by two semi-rings and connects the formation, and the junction threaded connection of sealing ring 2 has chucking bolt 14, the inner wall of sealing ring 2 is provided with sealing washer 16, be provided with the same sealing washer 16 between the bottom of sealed tube 1 and the upper surface of oil recovery well head, utilize sealing ring 2 to fix sealed tube 1 at the upper surface of oil recovery well head, utilize the junction of 14 chucking sealed tubes 1 of chucking bolt and oil recovery well head, the phenomenon of leakage appears in the oil recovery well head that prevents that sealed pad 15 and sealing washer 16 can be fine.
Sealed lid 4 of 3 fixedly connected with of fixing bolt is passed through on the top of sealed tube 1, be provided with sealed pad 15 between the top of sealed tube 1 and the lower surface of sealed lid 4, the lateral wall of sealed tube 1 is fixedly connected with pressure measurement mechanism and pressure release mechanism respectively, pressure measurement mechanism includes the pressure measurement pipeline 6 of 5 fixed connection at the sealed tube 1 lateral wall through the screw thread, the surface of pressure measurement pipeline 6 is provided with pressure measurement valve 17, open pressure measurement valve 17 and can make the inside atmospheric pressure of oil well pass through pressure measurement pipeline 6 flow direction pressure gauge 9.
The one end fixedly connected with first ring flange 7 of sealed tube 1 is kept away from to pressure measurement pipeline 6, the flange joint department of first ring flange 7 and second ring flange 11 is provided with the sealed pad 15 of the same, the one end flange joint that pressure measurement pipeline 6 was kept away from to first ring flange 7 has pressure measurement stop valve 8, the upper surface of pressure measurement stop valve 8 is provided with manometer 9, through watching the inside atmospheric pressure change of oil well that manometer 9 can be very convenient, prevent that the inside atmospheric pressure of oil well from leading to too big having the potential safety hazard.
Pressure relief mechanism includes the pressure release pipeline 10 through 5 fixed connection of screw nail at 1 lateral wall of sealed tube, the surface of pressure release pipeline 10 is provided with relief valve 18, the one end fixedly connected with second ring flange 11 of sealed tube 1 is kept away from to pressure release pipeline 10, the one end flange connection that pressure release pipeline 10 was kept away from to second ring flange 11 has connecting pipe 12, sealed tube 1, sealed lid 4, pressure measurement pipeline 6 and pressure release pipeline 10's material is seamless steel pipe, seamless steel pipe is made by the monoblock metal, the steel pipe that does not have the seam on the surface, the material of sealed pad 15 and sealing washer 16 is rubber, rubber has good leakproofness.
The working principle is as follows: when the oil recovery well head needs to be sealed, move the device to the oil recovery well head directly over, utilize sealing ring 2 to fix sealed tube 1 at the upper surface of oil recovery well head, utilize the junction of 14 chucking sealed tubes 1 of chucking bolt and oil recovery well head, when sealed, open pressure-measuring valve 17, through watching the inside atmospheric pressure change of oil well that can be very convenient of pressure-measuring meter 9, when the inside atmospheric pressure of oil well is too big, can open relief valve 18 and arrange the inside atmospheric pressure of oil well through pressure release pipeline 10 and connecting pipe 12 and carry out the pressure release in the relevant treatment facility, thereby reached the effect that reduces the inside atmospheric pressure of oil well, the security around the oil well has been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a well head oil recovery sealing device, includes sealing tube (1), its characterized in that: the sealing device comprises a sealing pipe (1), a sealing ring (2) is arranged on the outer surface of the sealing pipe (1) and the outer surface of an oil extraction well head, the top end of the sealing pipe (1) is fixedly connected with a sealing cover (4) through a fixing bolt (3), the side wall of the sealing pipe (1) is respectively and fixedly connected with a pressure measuring mechanism and a pressure relief mechanism, the pressure measuring mechanism comprises a pressure measuring pipeline (6) fixedly connected to the side wall of the sealing pipe (1) through a threaded nail (5), one end, far away from the sealing pipe (1), of the pressure measuring pipeline (6) is fixedly connected with a first flange plate (7), one end, far away from the pressure measuring pipeline (6), of the first flange plate (7) is connected with a pressure measuring stop valve (8);
pressure release mechanism includes pressure release pipeline (10) through screw nail (5) fixed connection at sealed tube (1) lateral wall, the one end fixedly connected with second ring flange (11) of sealed tube (1) are kept away from in pressure release pipeline (10), the one end flange connection that pressure release pipeline (10) were kept away from in second ring flange (11) has connecting pipe (12).
2. A wellhead oil recovery sealing device as claimed in claim 1, wherein: the sealing ring (2) is formed by rotationally connecting two semi-rings through a rotating shaft (13), and a clamping bolt (14) is connected to the joint of the sealing ring (2) in a threaded manner.
3. A wellhead oil recovery sealing device as claimed in claim 1, wherein: a sealing gasket (15) is arranged between the top end of the sealing pipe (1) and the lower surface of the sealing cover (4), and the same sealing gasket (15) is arranged at the flange connection position of the first flange plate (7) and the second flange plate (11).
4. A wellhead oil recovery sealing device as claimed in claim 1, wherein: the inner wall of sealing ring (2) is provided with sealing washer (16), be provided with same sealing washer (16) between the upper surface of bottom and the oil recovery well head of sealed tube (1).
5. A wellhead oil recovery sealing device as claimed in claim 1, wherein: the outer surface of the pressure measuring pipeline (6) is provided with a pressure measuring valve (17), and the outer surface of the pressure releasing pipeline (10) is provided with a pressure releasing valve (18).
6. A wellhead oil recovery sealing device as claimed in claim 3, wherein: the material of sealing tube (1), sealed lid (4), pressure measurement pipeline (6) and pressure release pipeline (10) is seamless steel pipe, the material of sealed pad (15) and sealing washer (16) is rubber.
CN201922344801.0U 2019-12-24 2019-12-24 Wellhead oil extraction sealing device Active CN211115901U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922344801.0U CN211115901U (en) 2019-12-24 2019-12-24 Wellhead oil extraction sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922344801.0U CN211115901U (en) 2019-12-24 2019-12-24 Wellhead oil extraction sealing device

Publications (1)

Publication Number Publication Date
CN211115901U true CN211115901U (en) 2020-07-28

Family

ID=71697848

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922344801.0U Active CN211115901U (en) 2019-12-24 2019-12-24 Wellhead oil extraction sealing device

Country Status (1)

Country Link
CN (1) CN211115901U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112523722A (en) * 2020-11-27 2021-03-19 徐小林 Wedge-shaped throttle valve structure capable of being mechanically sealed for gas injection and oil extraction well head of oil field
CN113294112A (en) * 2021-07-14 2021-08-24 李宝娟 Single pipe flow device for wellhead of oil production well

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112523722A (en) * 2020-11-27 2021-03-19 徐小林 Wedge-shaped throttle valve structure capable of being mechanically sealed for gas injection and oil extraction well head of oil field
CN113294112A (en) * 2021-07-14 2021-08-24 李宝娟 Single pipe flow device for wellhead of oil production well

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