CN114856481B - Oil recovery well head blowout preventer convenient to installation - Google Patents
Oil recovery well head blowout preventer convenient to installation Download PDFInfo
- Publication number
- CN114856481B CN114856481B CN202210219147.4A CN202210219147A CN114856481B CN 114856481 B CN114856481 B CN 114856481B CN 202210219147 A CN202210219147 A CN 202210219147A CN 114856481 B CN114856481 B CN 114856481B
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- seat
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- disc
- plugging
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- 238000009434 installation Methods 0.000 title claims abstract description 11
- 238000011084 recovery Methods 0.000 title description 2
- 230000002265 prevention Effects 0.000 claims abstract description 51
- 239000003921 oil Substances 0.000 claims abstract description 38
- 230000000903 blocking effect Effects 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract description 11
- 238000005056 compaction Methods 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 12
- 210000003027 ear inner Anatomy 0.000 claims description 7
- 238000009966 trimming Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Road Paving Machines (AREA)
- Actuator (AREA)
Abstract
The invention provides an oil extraction wellhead blowout preventer convenient to install, which comprises a pressing base, a protective frame, a fine tuning lug plate, a wellhead sleeve, a lateral blowout prevention cylinder, a tightening screw rod, an adjusting handle, a temporary mounting fine tuning pipe assembly, a lateral flange seat, a supporting rod, a locking nut, an upper plugging cylinder, an upper flange I, an upper flange II, a plugging compacting cylinder, a lifting lug plate, a locking bolt, a hydraulic cylinder protective cylinder, a protective seat, a hydraulic oil pipe oil inlet connection pipe, a hydraulic oil pipe oil outlet connection pipe, a blowout prevention clamping cylinder, a tightening hydraulic rod, a secondary plugging disc, a left blowout prevention disc and a right blowout prevention disc. The invention can finely adjust the shaking direction of the pressing base, thereby increasing the convenience and flexibility of installation; the concave arc-shaped blocking seat is utilized, the first cutting edge surface, the second cutting edge surface and the convex arc-shaped blocking seat are utilized to lift and intercept the oil pipe, and then the hydraulic rod and the secondary blocking disc are controlled to descend, so that the pipe orifice is blocked at the top.
Description
Technical Field
The invention belongs to the technical field of blowout prevention equipment of oil fields, and particularly relates to an oil extraction wellhead blowout prevention device convenient to install.
Background
The blowout preventer is used for closing a wellhead in the operation processes of oil testing, well repairing, well completion and the like, so as to prevent blowout accidents, combines 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 safety sealing wellhead device for preventing blowout commonly used in oil fields.
In the oil field exploitation process, when equipment in the oil well is damaged, the oil pipe is required to be plugged, blowout accidents are prevented from occurring, so that equipment is convenient to maintain, the existing blowout preventer for oil exploitation is mainly composed of a circular plate, a piston, a sealing ring, a flange, a bolt and the like, and workers fix the circular plate on the oil pipe through the bolt and the flange to plug.
In addition, the Chinese patent publication No. CN104314516A is named as an oil extraction wellhead blowout preventer, which is composed of a valve body and a valve ball, wherein the valve body is in a through cylinder shape, the valve ball is in a round cake structure, fixing rods are arranged on two axial sides of the valve ball, a valve seat is arranged on the upper part of the inner wall of the valve body, the valve ball is arranged in the valve body, a first baffle and a second baffle are respectively inserted into the fixing rods on two sides of the valve ball, a plurality of protruding sliding blocks are longitudinally arranged on the inner wall of the valve body, a plurality of sliding grooves matched with the sliding blocks are arranged at the edge of the valve ball, and the number of the sliding grooves is the same as that of the sliding blocks. But the problem that the existing oil extraction wellhead blowout prevention plugging is inconvenient to detach and install, and the plugging blowout prevention effect is poor and the plugging mode is single still exists.
In view of the above, it is necessary to provide a wellhead blowout preventer that is easy to install.
Disclosure of Invention
In order to solve the technical problems, the invention provides an oil extraction wellhead blowout preventer convenient to install, so as to solve the problems that the existing oil extraction wellhead blowout preventer is inconvenient to detach and install, the blowout preventer is poor in blowout preventer effect and the plugging mode is single.
The utility model provides a wellhead blowout preventer convenient to installation, including holding the base, the protection frame, fine setting otic placode, the well head sleeve pipe, the side direction prevents stifled section of thick bamboo, tight screw rod in top, adjustment handle, the fine setting pipe subassembly of just adorning, the side flange seat, the supporting seat, the bracing piece, lock nut, upper portion shutoff section of thick bamboo, upper portion flange one, upper portion flange two, shutoff compaction section of thick bamboo, hoist and mount otic placode, lock bolt, hydraulic cylinder section of thick bamboo that protects, the protection seat, hydraulic oil pipe advances oil take over, hydraulic oil pipe goes out oil take over, prevent spouting tight section of thick bamboo, tight hydraulic stem in top, secondary shutoff dish, left side blowout preventer and right side blowout preventer;
the protective frame is connected with the middle position of the upper part of the pressing base through bolts; the fine tuning lug plates are respectively connected with the left side and the right side of the upper part of the pressing base through bolts; one end of the wellhead sleeve penetrates through the middle position inside the protective frame and is welded with the inside of the pressing base, and the other end of the wellhead sleeve is connected with the middle position of the lower part of the blowout-preventing clamping cylinder through bolts; the lateral anti-blocking cylinders are respectively connected with the middle positions of the left side and the right side of the anti-spraying clamping cylinder by bolts and are communicated with the inside of the anti-spraying clamping cylinder; the jacking screw is movably embedded in the middle position inside the lateral anti-blocking cylinder and is clamped with the middle positions outside the left anti-spraying disc and the right anti-spraying disc; the adjusting handle is in threaded connection with the outer side of the jacking screw rod; the easy-to-install fine tuning pipe assembly is connected with the fine tuning ear plate; the side flange seats are respectively connected with the left side and the right side of the blowout prevention clamping cylinder in a threaded manner and cover the outer side of the lateral blowout prevention cylinder; the support seat is welded at the outer side of the lateral anti-blocking cylinder; the support rod is transversely connected between the side flange seat and the support seat in a threaded manner; the locking nut is in threaded connection with the outer surface of the supporting rod and is clamped on the outer side of the supporting seat; the upper plugging cylinder is welded at the middle position of the upper part of the blowout prevention clamping cylinder and is communicated with the inside of the blowout prevention clamping cylinder; the upper flange I is welded at the upper part of the upper plugging cylinder; the second upper flange is welded at the lower part of the plugging compaction cylinder; the lifting lug plates are respectively connected to the upper parts of the left side and the right side of the plugging compaction cylinder through bolts;
the locking bolt is in threaded connection with the upper part of the outer side of the plugging compaction cylinder; the hydraulic cylinder pile casing bolt is connected to the middle position of the upper part of the plugging compaction cylinder; the protection seat is connected to the top of the hydraulic cylinder protection cylinder through bolts; the oil inlet connecting pipe of the hydraulic oil pipe is connected to the right side of the upper part of the protection seat in a threaded manner and is inlaid with the tightening hydraulic rod; the oil outlet connecting pipe of the hydraulic oil pipe is in threaded connection with the left side of the upper part of the protection seat and is inlaid with the tightening hydraulic rod;
the jacking hydraulic rod is arranged in the plugging compaction cylinder and is connected with the top of the inner side of the hydraulic cylinder protection cylinder through bolts; the secondary plugging disc is connected with the output end of the jacking hydraulic rod through a bolt; the left blowout prevention disc and the right blowout prevention disc are respectively arranged at the left side and the right side of the interior of the blowout prevention clamping cylinder.
Preferably, the upper part of the left blowout prevention disc is die-cast with an inward concave arc-shaped blocking seat; the right side of the left blowout prevention disc is polished and provided with a first cutting edge surface; the concave arc-shaped blocking seat is arranged in an arc shape; the right side edge of the concave arc-shaped blocking seat is in blade-shaped arrangement.
Preferably, the upper part of the left side of the right side blowout prevention disc is provided with an outer convex arc-shaped blocking seat; the left side of the lower part of the right blowout prevention disc is provided with a second cutting edge surface; the convex arc-shaped blocking seat is arranged in a convex arc shape.
Preferably, the middle position screw of the inner wall of the wellhead sleeve is connected with an inner ear plate, the inner side shaft of the inner ear plate is connected with a side guard plate, and a clamping spring is connected between the side guard plate and the inner wall of the wellhead sleeve through screws.
Preferably, the easy-to-assemble fine tuning pipe assembly comprises a storage pipe, an adjusting pipe, an L-shaped hook, a universal ball and a handheld grab handle, wherein the adjusting pipe is in threaded connection with the lower side of the inner part of the storage pipe; the universal ball is welded at the top end of the L-shaped hook; the universal ball is movably embedded in the lower side position of the inner part of the adjusting pipe; the hand-held grab handle screw is connected to the upper end of the storage tube.
Preferably, the side guard plate and the side guard plate are arranged in a downward horn-shaped opening.
Preferably, the intersection of the receiving pipe and the adjusting pipe is in threaded connection with a positioning bolt.
Preferably, the L-shaped hook and the fine tuning lug plate are mutually connected in a hanging way.
Preferably, the first upper flange and the second upper flange are connected with each other through bolts.
Preferably, the right sides of the inner parts of the convex arc-shaped blocking seat and the concave arc-shaped blocking seat are mutually clamped and engaged.
Compared with the prior art, the invention has the beneficial effects that:
the oil extraction wellhead blowout preventer convenient to install is characterized in that when in use, the device is hoisted by hooking a hoisting lug plate through external hoisting equipment and sleeved on a wellhead pipe needing to be plugged and blowout-prevented, and in the process, the wellhead pipe penetrates through the lower part of a pressing base, penetrates through the inside of a wellhead sleeve and is clamped between the inner sides of side guard plates;
the adjusting handle is screwed clockwise to drive the tightening screw to rotate, so that the left blowout prevention disc and the right blowout prevention disc are pushed inwards, under the action of the concave arc blocking seat, the first cutting edge surface, the second cutting edge surface and the convex arc blocking seat, the oil pipe is lifted and cut off, and then the tightening hydraulic rod and the secondary plugging disc are controlled to descend, so that the pipe orifice is plugged at the top;
finally, the pressing base is fixed by the bolts, and in the hoisting process, the shaking direction of the pressing base is finely adjusted by holding the handheld grab handle, so that the convenience and the flexibility of installation are improved.
The invention has the advantages of simple installation and disassembly, easy operation, good blocking blowout prevention effect and popularization and application.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a partial cross-sectional structure of the present invention.
Fig. 3 is a schematic structural view of the left blowout prevention disc of the present invention.
Fig. 4 is a schematic structural view of the right blowout prevention disc of the present invention.
Figure 5 is a schematic cross-sectional view of the wellhead casing of the present invention.
Fig. 6 is a schematic structural view of the easy-to-install trim tube assembly of the present invention.
In the figure:
1. pressing and holding the base; 2. a protective frame; 3. fine tuning the ear plate; 4. a wellhead casing; 41. an inner ear plate; 42. a side guard plate; 43. a clamping spring; 5. a lateral anti-blocking cylinder; 6. tightly pushing the screw rod; 7. an adjusting handle; 8. a fine tuning pipe assembly is conveniently installed; 81. a storage tube; 82. an adjusting tube; 83. an L-shaped hook; 84. a universal ball; 85. a hand-held grab handle; 9. a side flange seat; 10. a support base; 11. a support rod; 12. a lock nut; 13. an upper plugging cylinder; 14. an upper flange I; 15. an upper flange II; 16. plugging the compaction cylinder; 17. lifting the ear plate; 18. a locking bolt; 19. a hydraulic cylinder casing; 20. a protective seat; 21. an oil inlet connecting pipe of the hydraulic oil pipe; 22. an oil outlet connecting pipe of the hydraulic oil pipe; 23. a blowout prevention clamping cylinder; 24. pressing the hydraulic rod tightly; 25. a secondary plugging disc; 26. a left blowout prevention plate; 261. a concave arc-shaped blocking seat; 262. cutting the first cutting edge surface; 27. a right blowout prevention plate; 271. cutting the second cutting edge surface; 272. the convex arc-shaped blocking seat.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples:
as shown in fig. 1 to 2, the invention provides an oil extraction wellhead blowout preventer convenient to install, which comprises a holding base 1, a protection frame 2, a fine tuning lug plate 3, a wellhead sleeve 4, a lateral blowout preventer cylinder 5, a tightening screw 6, an adjusting handle 7, a conveniently-installed fine tuning pipe assembly 8, a lateral flange seat 9, a supporting seat 10, a supporting rod 11, a locking nut 12, an upper plugging cylinder 13, an upper flange I14, an upper flange II 15, a plugging compaction cylinder 16, a lifting lug plate 17, a locking bolt 18, a hydraulic cylinder protective cylinder 19, a protection seat 20, a hydraulic oil pipe oil inlet connection pipe 21, a hydraulic oil pipe oil outlet connection pipe 22, a blowout preventer clamping cylinder 23, a tightening hydraulic rod 24, a secondary plugging disc 25, a left blowout preventer disc 26 and a right blowout preventer disc 27;
the protective frame 2 is connected with the middle position of the upper part of the pressing base 1 through bolts; the fine tuning ear plates 3 are respectively connected with the left side and the right side of the upper part of the pressing base 1 through bolts; one end of the wellhead sleeve 4 penetrates through the middle position inside the protective frame 2 and is welded with the inside of the pressing base 1, and the other end of the wellhead sleeve is connected with the middle position of the lower part of the blowout-preventing clamping cylinder 23 through bolts; the lateral anti-blocking cylinders 5 are respectively connected with the middle positions of the left side and the right side of the anti-spraying clamping cylinder 23 by bolts and are communicated with the inside of the anti-spraying clamping cylinder; the jacking screw rod 6 is movably embedded in the middle position inside the lateral anti-blocking cylinder 5 and is clamped with the middle positions outside the left anti-spraying disk 26 and the right anti-spraying disk 27; the adjusting handle 7 is in threaded connection with the outer side of the jacking screw rod 6; the easy-to-mount fine tuning pipe assembly 8 is connected with the fine tuning ear plate 3; the side flange seats 9 are respectively connected with the left side and the right side of the blowout prevention clamping cylinder 23 in a threaded manner and cover the outer side of the lateral blowout prevention cylinder 5; the supporting seat 10 is welded at the outer side of the lateral anti-blocking cylinder 5; the supporting rod 11 is transversely connected between the side flange seat 9 and the supporting seat 10 through threads; the locking nut 12 is in threaded connection with the outer surface of the supporting rod 11 and is clamped on the outer side of the supporting seat 10; the upper plugging cylinder 13 is welded at the upper middle position of the blowout prevention clamping cylinder 23 and is communicated with the inside of the blowout prevention clamping cylinder; the upper flange I14 is welded at the upper part of the upper plugging cylinder 13; the second upper flange 15 is welded at the lower part of the plugging compaction cylinder 16; the lifting lug plates 17 are respectively connected to the upper parts of the left side and the right side of the plugging compaction cylinder 16 through bolts;
the locking bolt 18 is in threaded connection with the upper position of the outer side of the plugging compaction cylinder 16; the hydraulic cylinder protective cylinder 19 is connected with the middle position of the upper part of the plugging compaction cylinder 16 through bolts; the protection seat 20 is connected to the top of the hydraulic cylinder protection barrel 19 through bolts; the oil inlet connecting pipe 21 of the hydraulic oil pipe is connected to the right side of the upper part of the protection seat 20 in a threaded manner and is embedded with the tightening hydraulic rod 24; the oil outlet connecting pipe 22 of the hydraulic oil pipe is connected to the left side of the upper part of the protection seat 20 in a threaded manner and is embedded with the tightening hydraulic rod 24;
the tightening hydraulic rod 24 is arranged in the plugging compaction cylinder 16 and is connected to the top of the inner side of the hydraulic cylinder protection cylinder 19 through bolts; the secondary plugging disc 25 is connected with the output end of the tightening hydraulic rod 24 through a bolt; the left blowout prevention disc 26 and the right blowout prevention disc 27 are respectively arranged at the left side and the right side of the inside of the blowout prevention clamping cylinder 23.
As shown in fig. 3, in the above embodiment, specifically, the upper portion of the left blowout prevention plate 26 is die-cast with a concave arc-shaped blocking seat 261; the right side of the left blowout prevention disc 26 is polished and provided with a first cutting edge surface 262; the concave arc-shaped blocking seat 261 is arranged in an arc shape; the right side edge of the concave arc-shaped blocking seat 261 is in a blade shape.
As shown in fig. 4, in the above embodiment, specifically, the upper left side of the right blowout prevention plate 27 is provided with a convex arc-shaped blocking seat 272; the left side of the lower part of the right blowout prevention disc 27 is provided with a second cutting edge surface 271; the convex arc blocking seat 272 is arranged in a convex arc shape.
As shown in fig. 5, in the foregoing embodiment, specifically, the middle position of the inner wall of the wellhead housing 4 is screwed with an inner ear plate 41, the inner side of the inner ear plate 41 is pivoted with a side guard plate 42, and a clamping spring 43 is screwed between the side guard plate 42 and the inner wall of the wellhead housing 4.
As shown in fig. 6, in the above embodiment, specifically, the toilet fine tuning pipe assembly 8 includes a receiving pipe 81, an adjusting pipe 82, an l-shaped hook 83, a universal ball 84 and a hand-held grip 85, wherein the adjusting pipe 82 is screwed on the inner lower side of the receiving pipe 81; the universal ball 84 is welded at the top end of the L-shaped hook 83; the universal ball 84 is movably embedded at the inner lower side position of the adjusting pipe 82; the hand-held grab handle 85 is connected with the upper end of the containing tube 81 by screws.
In the above embodiment, specifically, the side guard 42 and the side guard 42 are disposed with a downward horn-shaped opening therebetween.
In the above embodiment, specifically, the intersection of the receiving tube 81 and the adjusting tube 82 is screwed with a positioning bolt; the L-shaped hook 83 and the fine tuning lug plate 3 are mutually connected in a hanging way.
In the above embodiment, specifically, the upper flange one 14 and the upper flange two 15 are connected by bolts; the right sides of the inner parts of the convex arc-shaped blocking seat 272 and the concave arc-shaped blocking seat 261 are mutually clamped and engaged.
Principle of operation
When the device is used, the external hoisting equipment is used for hooking the hoisting lug 17 to hoist the device, the device is sleeved on a wellhead pipe which needs to be plugged and prevented from being blown, and in the process, the wellhead pipe penetrates through the lower part of the pressing base 1, penetrates through the inside of the wellhead sleeve 4 and is clamped between the inner sides of the side guard plates 42;
the adjusting handle 7 is screwed clockwise to drive the tightening screw 6 to rotate, so that the left blowout prevention disc 26 and the right blowout prevention disc 27 are pushed inwards, and under the actions of the concave arc blocking seat 261, the first cutting edge face 262, the second cutting edge face 271 and the convex arc blocking seat 272, the oil pipe is lifted and cut off, and then the descending of the tightening hydraulic rod 24 and the secondary blocking disc 25 is controlled, so that the pipe orifice is blocked at the top;
finally, the pressing base 1 is fixed by the bolts, and in the hoisting process, the shaking direction of the pressing base 1 is finely adjusted by holding the handheld grab handle 85, so that the convenience and the flexibility of installation are improved.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The oil extraction wellhead blowout preventer convenient to install is characterized by comprising a pressing base (1), a protection frame (2), a fine adjustment lug plate (3), a wellhead sleeve (4), a lateral anti-blocking cylinder (5), a jacking screw (6), an adjusting handle (7), a convenient fine adjustment pipe assembly (8), a side flange seat (9), a supporting seat (10), a supporting rod (11), a lock nut (12), an upper blocking cylinder (13), an upper flange I (14), an upper flange II (15), a blocking compacting cylinder (16), a lifting lug plate (17), a locking bolt (18), a hydraulic cylinder protection cylinder (19), a protection seat (20), a hydraulic oil pipe oil inlet connecting pipe (21), a hydraulic oil pipe oil outlet connecting pipe (22), a blowout prevention clamping cylinder (23), a jacking hydraulic rod (24), a secondary blocking disc (25), a left blowout prevention disc (26) and a right blowout prevention disc (27);
the protective frame (2) is connected with the middle position of the upper part of the pressing base (1) through bolts; the fine tuning lug plates (3) are respectively connected with the left side and the right side of the upper part of the pressing base (1) through bolts; one end of the wellhead sleeve (4) penetrates through the middle position inside the protective frame (2) and is welded with the inside of the pressing base (1), and the other end of the wellhead sleeve is connected with the middle position of the lower part of the blowout-preventing clamping cylinder (23) through bolts; the lateral anti-blocking cylinders (5) are respectively connected with the middle positions of the left side and the right side of the anti-spraying clamping cylinder (23) through bolts and are communicated with the inside of the anti-spraying clamping cylinder; the jacking screw (6) is movably embedded in the middle position inside the lateral anti-blocking cylinder (5) and is clamped with the middle positions outside the left anti-spraying disc (26) and the right anti-spraying disc (27); the adjusting handle (7) is in threaded connection with the outer side of the jacking screw rod (6); the easy-to-install fine tuning pipe assembly (8) is connected with the fine tuning ear plate (3); the side flange seats (9) are respectively connected with the left side and the right side of the blowout prevention clamping cylinder (23) in a threaded manner and cover the outer side of the lateral anti-blocking cylinder (5); the support seat (10) is welded at the outer side of the lateral anti-blocking cylinder (5); the support rod (11) is transversely connected between the side flange seat (9) and the support seat (10) in a threaded manner; the locking nut (12) is in threaded connection with the outer surface of the supporting rod (11) and is clamped on the outer side of the supporting seat (10); the upper plugging cylinder (13) is welded at the upper middle position of the blowout prevention clamping cylinder (23) and is communicated with the inside of the blowout prevention clamping cylinder; the upper flange I (14) is welded at the upper part of the upper plugging cylinder (13); the upper flange II (15) is welded at the lower part of the plugging compaction cylinder (16); the lifting lug plates (17) are respectively connected to the upper parts of the left side and the right side of the plugging compaction cylinder (16) through bolts;
the locking bolt (18) is in threaded connection with the upper position of the outer side of the plugging compaction cylinder (16); the hydraulic cylinder protective cylinder (19) is connected with the middle position of the upper part of the plugging compaction cylinder (16) through bolts; the protection seat (20) is connected to the top of the hydraulic cylinder protection cylinder (19) through bolts; the oil inlet connecting pipe (21) of the hydraulic oil pipe is connected to the right side of the upper part of the protection seat (20) in a threaded manner and is embedded with the tightening hydraulic rod (24); the oil outlet connecting pipe (22) of the hydraulic oil pipe is connected to the left side of the upper part of the protection seat (20) in a threaded manner and is embedded with the tightening hydraulic rod (24);
the jacking hydraulic rod (24) is arranged in the plugging compaction cylinder (16) and is connected to the top of the inner side of the hydraulic cylinder casing (19) through bolts; the secondary plugging disc (25) is connected with the output end of the tightening hydraulic rod (24) through a bolt; the left blowout prevention disc (26) and the right blowout prevention disc (27) are respectively arranged at the left side and the right side of the inside of the blowout prevention clamping cylinder (23).
2. The wellhead blowout preventer for easy installation of claim 1, wherein the upper portion of the left blowout preventer (26) is die-cast with a concave arc-shaped blocking seat (261); the right side of the left blowout prevention disc (26) is polished and provided with a first cutting edge surface (262); the concave arc-shaped blocking seat (261) is arranged in an arc shape; the right side edge of the concave arc-shaped blocking seat (261) is arranged in a blade shape.
3. The blowout preventer of the oil extraction wellhead convenient to install according to claim 1, wherein the upper left side of the right blowout preventer (27) is provided with a convex arc-shaped blocking seat (272); the left side of the lower part of the right blowout prevention disc (27) is provided with a second cutting edge surface (271); the convex arc-shaped blocking seat (272) is arranged in a convex arc shape.
4. The wellhead blowout preventer convenient to install according to claim 1, wherein the middle position of the inner wall of the wellhead casing (4) is connected with an inner ear plate (41) through screws, the inner shaft of the inner ear plate (41) is connected with a side guard plate (42), and a clamping spring (43) is connected between the side guard plate (42) and the inner wall of the wellhead casing (4) through screws.
5. The wellhead blowout preventer of easy-to-install oil extraction as claimed in claim 1, wherein the easy-to-install trim tube assembly (8) comprises a receiving tube (81), an adjusting tube (82), an L-shaped hook (83), a universal ball (84) and a hand-held grip (85), wherein the adjusting tube (82) is in threaded connection with the inner lower side of the receiving tube (81); the universal ball (84) is welded at the top end of the L-shaped hook (83); the universal ball (84) is movably embedded in the lower side position of the inner part of the adjusting pipe (82); the hand-held grab handle (85) is connected with the upper end of the containing tube (81) through screws.
6. The wellhead blowout preventer of claim 4, wherein the skirt (42) and skirt (42) are flared downwardly therebetween.
7. The wellhead blowout preventer for easy installation as recited in claim 5, wherein the intersection of the receiving tube (81) and the adjusting tube (82) is threadably connected with a positioning bolt.
8. The wellhead blowout preventer for easy installation according to claim 5, wherein the L-shaped hooks (83) are connected to the trimming lugs (3).
9. The wellhead blowout preventer for easy installation according to claim 1, wherein the upper flange one (14) and the upper flange two (15) are bolted to each other.
10. A wellhead blowout preventer for easy to install as claimed in any one of claims 2 and 3, wherein the inner right sides of the male arc-shaped blocking seat (272) and the female arc-shaped blocking seat (261) are arranged in a snap fit engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210219147.4A CN114856481B (en) | 2022-03-08 | 2022-03-08 | Oil recovery well head blowout preventer convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210219147.4A CN114856481B (en) | 2022-03-08 | 2022-03-08 | Oil recovery well head blowout preventer convenient to installation |
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| Publication Number | Publication Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6223819B1 (en) * | 1999-07-13 | 2001-05-01 | Double-E Inc. | Wellhead for providing structure when utilizing a well pumping system |
| CN105089542A (en) * | 2014-05-09 | 2015-11-25 | 中国石油化工股份有限公司 | Hydraulic self-locking quick-mounting blowout prevention device and method |
| RU167756U1 (en) * | 2016-03-03 | 2017-01-10 | Закрытое акционерное общество "Научно-производственное предприятие "Сибтехноцентр" | HYDRAULIC DOUBLE PRE-PRESSOR WITH TECHNOLOGICAL CONE |
| CN112177540A (en) * | 2020-08-19 | 2021-01-05 | 北京捷杰西石油设备有限公司 | Automatic drilling rod blowout-prevention button cleaning machine |
| CN214171003U (en) * | 2020-12-31 | 2021-09-10 | 江苏翔力重工科技有限公司 | Bidirectional hydraulic oil cylinder |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6223819B1 (en) * | 1999-07-13 | 2001-05-01 | Double-E Inc. | Wellhead for providing structure when utilizing a well pumping system |
| CN105089542A (en) * | 2014-05-09 | 2015-11-25 | 中国石油化工股份有限公司 | Hydraulic self-locking quick-mounting blowout prevention device and method |
| RU167756U1 (en) * | 2016-03-03 | 2017-01-10 | Закрытое акционерное общество "Научно-производственное предприятие "Сибтехноцентр" | HYDRAULIC DOUBLE PRE-PRESSOR WITH TECHNOLOGICAL CONE |
| CN112177540A (en) * | 2020-08-19 | 2021-01-05 | 北京捷杰西石油设备有限公司 | Automatic drilling rod blowout-prevention button cleaning machine |
| CN214171003U (en) * | 2020-12-31 | 2021-09-10 | 江苏翔力重工科技有限公司 | Bidirectional hydraulic oil cylinder |
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