CN212614625U - Blowout prevention sealing device for oil extraction wellhead - Google Patents

Blowout prevention sealing device for oil extraction wellhead Download PDF

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Publication number
CN212614625U
CN212614625U CN202020891069.9U CN202020891069U CN212614625U CN 212614625 U CN212614625 U CN 212614625U CN 202020891069 U CN202020891069 U CN 202020891069U CN 212614625 U CN212614625 U CN 212614625U
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Prior art keywords
oil
butt joint
sealing
spouting
cover plates
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CN202020891069.9U
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Chinese (zh)
Inventor
黄智�
黄才中
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Jiangsu Yulong Forging Co ltd
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Jiangsu Yulong Forging Co ltd
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Abstract

The utility model discloses an oil recovery well head prevents spouting sealing device relates to oil recovery well technical field, for solving current oil recovery well head and lacking effectual preventing spouting seal structure at the in-process that uses, the phenomenon of oil spout appears easily in the in-process that leads to recovering oil, can not obtain effective sealed problem when not exploiting. The outer wall of oil well port is provided with prevents spouting the cover, the upper end of preventing spouting the cover is provided with out oil window, and goes out oil window and prevents spouting cover integrated into one piece setting, the inside of going out oil window is provided with two sealed apron, and two sealed apron all through hinge and play oil window swing joint, two the upper end of sealed apron all is provided with two and corresponds the screw rod, and four correspond screw rods and two sealed apron integrated into one piece settings, and adjacent two correspond and install the connection clamp plate between the screw rod, the both ends of connecting the clamp plate all are provided with the connecting hole, and the connecting hole sets up with connection clamp plate integrated into one piece.

Description

Blowout prevention sealing device for oil extraction wellhead
Technical Field
The utility model relates to an oil recovery well technical field specifically is an oil recovery well head prevents spouting sealing device.
Background
The oil production well is a hole drilled according to a well arrangement system planned for oil field development for the purpose of oil production, the oil rises from the bottom of the well to a passage at the top of the well, and the oil production well is a hole drilled by a drilling method. After drilling oil layer, the oil production well is put into the casing pipe, and the cement is injected into the annular space between the casing pipe and well wall to maintain well wall and seal oil, gas and water layer, then the oil layer is jetted by a perforating gun according to the requirement of oil field development to form a channel, and the oil pipe is put into the channel.
The existing oil extraction well head lacks an effective blowout prevention sealing structure in the using process, the oil injection phenomenon easily occurs in the oil extraction process, and the effective sealing can not be obtained when the oil extraction is not carried out, so that the oil extraction well head blowout prevention sealing device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil recovery well head prevents spouting sealing device to the current oil recovery well head that proposes in solving above-mentioned background lacks effectual seal structure of preventing spouting in the in-process that uses, leads to the in-process of oil recovery to appear the phenomenon of oil spout easily, obtains effectively sealed problem when not exploiting.
In order to achieve the above object, the utility model provides a following technical scheme: an oil extraction well mouth blowout prevention sealing device comprises an oil well port, wherein an anti-blowout cover is arranged on the outer wall of the oil well port, an oil outlet window is arranged at the upper end of the anti-blowout cover, the oil outlet window and the anti-blowout cover are integrally formed, two sealing cover plates are arranged inside the oil outlet window, the two sealing cover plates are movably connected with the oil outlet window through hinges, two corresponding screw rods are arranged at the upper ends of the two sealing cover plates, the four corresponding screw rods and the two sealing cover plates are integrally formed, a connecting pressing plate is arranged between every two adjacent corresponding screw rods, connecting holes are arranged at the two ends of the connecting pressing plate and are integrally formed with the connecting pressing plate, the connecting pressing plate is connected with the two adjacent corresponding screw rods through the connecting holes, pressing nuts are arranged at the two ends of the connecting pressing plate, and are arranged on the corresponding screw rods through threads, and the two compression nuts are respectively tightly attached to the two ends of the connecting pressing plate.
Preferably, the lower extreme border position of blowout prevention cover is provided with the bottom layer board, and bottom layer board and blowout prevention cover integrated into one piece set up, the lower extreme of bottom layer board is provided with the oil well frame, and the outer wall welded connection of oil well frame and oil well port.
Preferably, twelve connecting screws are installed in the inner connecting holes of the bottom supporting plate and the oil well frame, locking nuts are installed at two ends of each connecting screw, and the locking nuts are tightly attached to the outer walls of the bottom supporting plate and the oil well frame.
Preferably, two the upper surface of sealed apron all is provided with built-in handle, and built-in handle and sealed apron integrated into one piece setting, two the sealed size of covering is greater than the bead size of oil outlet window, and two sealed apron are located the upper end of oil outlet window bead.
Preferably, two the one end of sealed apron all is provided with the Z type and docks the groove, and the Z type is docked groove and sealed apron integrated into one piece setting, two the size in Z type butt joint groove equals, and two sealed apron pass through Z type and dock groove sealing connection.
Preferably, be provided with the sealing strip on the inner wall in Z type butt joint groove, and the sealing strip passes through viscose fixed connection, two with Z type butt joint groove the sealed butt joint of sealing strip.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a pulling built-in handle is opened two sealed apron, during the oil recovery, prevent spouting the oil recovery that the cover can great degree prevents spouting, after the oil recovery, cover two sealed apron, make two sealed apron pass through Z type butt joint groove sealing connection, two Z types butt joint groove pass through the sealed butt joint of sealing strip, overcome current oil recovery well head and lack effectual seal structure of preventing spouting in the in-process that uses, the phenomenon of oil spout appears easily in the in-process that leads to the oil recovery, can not obtain effective sealed problem when not exploiting.
2. The connecting pressing plate is connected with the two adjacent corresponding screw rods through the connecting holes, and then the compression nuts are screwed and installed on the corresponding screw rods, so that the compression nuts are compressed on the upper end of the connecting pressing plate, and the purpose of reinforcing the sealing strength of the sealing cover plate is achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of the overall structure of the present invention;
FIG. 3 is an enlarged schematic view of part A of the present invention;
in the figure: 1. an oil well port; 2. an oil well frame; 3. connecting a screw rod; 4. a lock nut; 5. a spray shield; 6. a hinge; 7. an oil outlet window; 8. sealing the cover plate; 9. corresponding to the screw rod; 10. connecting the pressing plate; 11. a bottom pallet; 12. connecting holes; 13. a compression nut; 14. a built-in handle; 15. a Z-shaped butt-joint groove; 16. a sealing strip.
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.
Referring to fig. 1-3, the present invention provides an embodiment: an oil extraction wellhead blowout prevention sealing device comprises an oil well port 1, an anti-spraying cover 5 is arranged on the outer wall of the oil well port 1, an oil outlet window 7 is arranged at the upper end of the anti-spraying cover 5, the oil outlet window 7 and the anti-spraying cover 5 are integrally formed, two sealing cover plates 8 are arranged inside the oil outlet window 7, the two sealing cover plates 8 are movably connected with the oil outlet window 7 through hinges 6, two corresponding screw rods 9 are arranged at the upper ends of the two sealing cover plates 8, the four corresponding screw rods 9 and the two sealing cover plates 8 are integrally formed, a connecting pressing plate 10 is arranged between every two adjacent corresponding screw rods 9, connecting holes 12 are arranged at the two ends of the connecting pressing plate 10, the connecting holes 12 and the connecting pressing plate 10 are integrally formed, the connecting pressing plate 10 is connected with the two adjacent corresponding screw rods 9 through the connecting holes 12, nuts 13 are tightly pressed at the two ends of, the compression nuts 13 are installed on the corresponding screw rods 9 through threads, and the two compression nuts 13 are tightly attached to the two ends of the connecting pressing plate 10 respectively.
Further, the lower extreme border position of preventing spouting cover 5 is provided with bottom layer board 11, and bottom layer board 11 sets up with preventing spouting cover 5 integrated into one piece, and the lower extreme of bottom layer board 11 is provided with oil well frame 2, and oil well frame 2 and the outer wall welded connection of oil well port 1, and bottom layer board 11 that the lower extreme border position of preventing spouting cover 5 set up plays the effect of being convenient for prevent spouting cover 5 and oil well frame 2 reinforced connection.
Furthermore, twelve connecting screw rods 3 are installed in the internal connecting holes of the bottom supporting plate 11 and the oil well frame 2, locking screw nuts 4 are installed at two ends of each connecting screw rod 3, the locking screw nuts 4 are tightly attached to the outer walls of the bottom supporting plate 11 and the oil well frame 2, and the twelve connecting screw rods 3 installed in the internal connecting holes of the bottom supporting plate 11 and the oil well frame 2 play a role in reinforcing and connecting the blowout prevention cover 5.
Further, the upper surfaces of two sealed apron 8 all are provided with built-in handle 14, and built-in handle 14 sets up with sealed apron 8 integrated into one piece, and two sealed apron 8's size is greater than the bead size of oil outlet window 7, and two sealed apron 8 are located the upper end of oil outlet window 7 bead, and the built-in handle 14 that two sealed apron 8's upper surface all set up plays the effect of being convenient for pull sealed apron 8.
Further, two sealed 8 one ends of apron all are provided with the Z type and dock groove 15, and the Z type docks groove 15 and sealed 8 integrated into one piece settings of apron, and two Z types dock the size in groove 15 and equal, and two sealed 8 of apron dock groove 15 sealing connection through the Z type, and the Z type that two sealed 8 one ends of apron all set up docks the groove 15 and plays the effect of being convenient for two sealed 8 built-up connections of apron.
Further, be provided with sealing strip 16 on the inner wall of Z type butt joint groove 15, and sealing strip 16 and Z type butt joint groove 15 pass through viscose fixed connection, and two Z type butt joint grooves 15 pass through sealing strip 16 sealed butt joints, and sealing strip 16 that sets up on the inner wall of Z type butt joint groove 15 plays the effect of being convenient for two Z type butt joint grooves 15 sealed butt joints.
The working principle is as follows: during the use, open two sealed apron 8 through the built-in handle 14 of pulling, during the oil recovery, the blowout prevention cover 5 can be great degree prevent spouting the oil recovery, after the oil recovery, cover two sealed apron 8, make two sealed apron 8 through Z type butt joint groove 15 sealing connection, two Z type butt joint grooves 15 pass through sealing strip 16 sealing butt joint, sealing connection accomplishes the back, will connect clamp plate 10 and connect on two adjacent corresponding screw rods 9 through connecting hole 12, then twist gland nut 13 and move and install on corresponding screw rod 9, make gland nut 13 compress tightly the upper end at connecting clamp plate 10, reach the purpose of consolidating 8 sealing strength of sealed apron, accomplish the use work that the oil recovery well head prevented spouting sealing device.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a sealing device is prevented spouting by oil recovery well head, includes oil well port (1), its characterized in that: the outer wall of the oil well port (1) is provided with an anti-spraying cover (5), the upper end of the anti-spraying cover (5) is provided with an oil outlet window (7), the oil outlet window (7) and the anti-spraying cover (5) are integrally formed, two sealing cover plates (8) are arranged inside the oil outlet window (7), the two sealing cover plates (8) are movably connected with the oil outlet window (7) through hinges (6), two corresponding screw rods (9) are arranged at the upper ends of the two sealing cover plates (8), the four corresponding screw rods (9) and the two sealing cover plates (8) are integrally formed, a connecting pressing plate (10) is arranged between the two adjacent corresponding screw rods (9), connecting holes (12) are arranged at the two ends of the connecting pressing plate (10), the connecting holes (12) and the connecting pressing plate (10) are integrally formed, the connecting pressing plate (10) is connected with the two adjacent corresponding screw rods (9) through the connecting holes (12), compression nut (13) are all installed at the both ends of connecting clamp plate (10), compression nut (13) are installed on corresponding screw rod (9) through the screw thread, and two compression nut (13) closely laminate with the both ends of connecting clamp plate (10) respectively.
2. The blowout preventer seal apparatus of an oil recovery wellhead according to claim 1, wherein: the lower extreme border position of preventing spouting cover (5) is provided with bottom layer board (11), and bottom layer board (11) and prevent spouting cover (5) integrated into one piece setting, the lower extreme of bottom layer board (11) is provided with oil well frame (2), and the outer wall welded connection of oil well frame (2) and oil well port (1).
3. The blowout preventer seal apparatus of an oil recovery wellhead according to claim 2, wherein: twelve connecting screw rods (3) are installed in the inner connecting holes of the bottom supporting plate (11) and the oil well frame (2), locking screw caps (4) are installed at two ends of each connecting screw rod (3), and the locking screw caps (4) are tightly attached to the outer walls of the bottom supporting plate (11) and the oil well frame (2).
4. The blowout preventer seal apparatus of an oil recovery wellhead according to claim 1, wherein: the upper surface of the two sealing cover plates (8) is provided with a built-in handle (14), the built-in handle (14) and the sealing cover plates (8) are integrally formed, the size of the two sealing cover plates (8) is larger than the size of the edge of the oil outlet window (7), and the two sealing cover plates (8) are located at the upper end of the edge of the oil outlet window (7).
5. The blowout preventer seal apparatus of an oil recovery wellhead according to claim 1, wherein: two the one end of sealed apron (8) all is provided with Z type butt joint groove (15), and Z type butt joint groove (15) and sealed apron (8) integrated into one piece setting, two the size in Z type butt joint groove (15) equals, and two sealed apron (8) are through Z type butt joint groove (15) sealing connection.
6. The production wellhead blowout preventer seal apparatus according to claim 5, wherein: be provided with sealing strip (16) on the inner wall of Z type butt joint groove (15), and sealing strip (16) and Z type butt joint groove (15) pass through viscose fixed connection, two Z type butt joint groove (15) are through sealing strip (16) sealed butt joint.
CN202020891069.9U 2020-05-25 2020-05-25 Blowout prevention sealing device for oil extraction wellhead Active CN212614625U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020891069.9U CN212614625U (en) 2020-05-25 2020-05-25 Blowout prevention sealing device for oil extraction wellhead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020891069.9U CN212614625U (en) 2020-05-25 2020-05-25 Blowout prevention sealing device for oil extraction wellhead

Publications (1)

Publication Number Publication Date
CN212614625U true CN212614625U (en) 2021-02-26

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ID=74751999

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Application Number Title Priority Date Filing Date
CN202020891069.9U Active CN212614625U (en) 2020-05-25 2020-05-25 Blowout prevention sealing device for oil extraction wellhead

Country Status (1)

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CN (1) CN212614625U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113352142A (en) * 2021-05-28 2021-09-07 宁夏共享机床辅机有限公司 Splicing sealing mechanism, splicing method and machine tool
CN113482575A (en) * 2021-05-18 2021-10-08 杨彪 Well head safety device for mine exploration

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113482575A (en) * 2021-05-18 2021-10-08 杨彪 Well head safety device for mine exploration
CN113352142A (en) * 2021-05-28 2021-09-07 宁夏共享机床辅机有限公司 Splicing sealing mechanism, splicing method and machine tool

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