CN214403509U - High-thrust shear ram blowout preventer - Google Patents
High-thrust shear ram blowout preventer Download PDFInfo
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- CN214403509U CN214403509U CN202120313063.8U CN202120313063U CN214403509U CN 214403509 U CN214403509 U CN 214403509U CN 202120313063 U CN202120313063 U CN 202120313063U CN 214403509 U CN214403509 U CN 214403509U
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Abstract
The utility model discloses a high thrust shearing flashboard preventer, including flashboard subassembly and casing, the flashboard subassembly sets up in the casing, the flashboard subassembly includes left shearing flashboard and right shearing flashboard, casing both ends symmetry is provided with two hydraulic cylinder subassemblies, the hydraulic cylinder subassembly passes through the pneumatic cylinder connection pad and installs on the side door, the side door passes through bolt assembly and installs on the casing, left side shearing flashboard and left side the inboard piston shaft of pneumatic cylinder subassembly links together, right side shearing flashboard and right side the inboard piston shaft of pneumatic cylinder subassembly links together, the pneumatic cylinder subassembly drives respectively left side shearing flashboard right side shearing flashboard is in the casing removes in opposite directions. The utility model discloses a set up special construction's shearing flashboard, can cut off various drilling rods in the drilling operation, can cut off tubular column in the well fast, totally seal the well head, reduce accident time, reduce the loss of accident.
Description
Technical Field
The utility model relates to a preventer technical field especially relates to a high thrust shearing flashboard preventer.
Background
In the field of oil and gas fields in China at present, ultra-deep well drilling operation is more and more common, high-pressure high-yield wells are more and more frequent, the risk of drilling operation is higher and higher, if a blowout or kick accident occurs, a pipe column is required to be cut off to completely seal a well mouth, a shearing ram blowout preventer is required to be capable of cutting off the pipe column in the well, otherwise serious consequences and huge loss are caused, but a shearing ram blowout preventer in a conventional drilling blowout preventer can only cut off a drill pipe, and a conventional shearing ram blowout preventer is used for cutting off the pipe column in the well; therefore, the drilling operation of ultra-deep wells and high-yield wells has an unsolved risk point, a high-thrust shearing ram blowout preventer is urgently needed to ensure the safe operation in the drilling operation process, and after the risk is met, the safety accidents can be timely and quickly processed by means, the pipe column is cut off, and the well mouth is completely sealed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high thrust shearing flashboard preventer solves the problem that can't cut the tubular column among the prior art.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model discloses a high thrust shearing flashboard preventer, including flashboard subassembly and casing, the flashboard subassembly sets up in the casing, the flashboard subassembly includes left shearing flashboard and right shearing flashboard, casing both ends symmetry is provided with two hydraulic cylinder subassemblies, the hydraulic cylinder subassembly passes through the pneumatic cylinder connection pad and installs on the side door, the side door passes through bolt assembly to be installed on the casing, left side shearing flashboard and left side the inboard piston shaft of pneumatic cylinder subassembly links together, right side shearing flashboard and right side the inboard piston shaft of pneumatic cylinder subassembly links together, the pneumatic cylinder subassembly drives respectively left side shearing flashboard right side shearing flashboard is in the casing removes in opposite directions.
Further, the pneumatic cylinder subassembly includes cylinder cap, cylinder body, piston axle and pneumatic cylinder connection pad, the cylinder cap is installed to the one end of cylinder body, the pneumatic cylinder connection pad is installed to the other end of cylinder body, install in the cylinder body the piston with the piston axle.
Still further, two the piston shaft is close to the one end of casing runs through the pneumatic cylinder connection pad with behind the side door through the connecting pin respectively with left side shearing flashboard right side shearing flashboard is connected, the piston shaft is kept away from the one end of casing pass through the screw thread with the piston is connected.
Further, an indication rod convenient for observing the position of the flashboard assembly is arranged at the center position of the end face, far away from the shell, of the piston.
Furthermore, a V-shaped knife edge is arranged at the front end of the left shear gate plate, and outer guide grooves are arranged on two sides of the left shear gate plate; the front end of right side shearing flashboard be provided with circular-arc guide way with V type sword mouth, the both sides of right side shearing flashboard are provided with the interior guide way with left side shearing flashboard matched with, the bottom of right side shearing flashboard is provided with the groove of removing sand.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses a high thrust shearing flashboard preventer, including flashboard subassembly and casing, the flashboard subassembly sets up in the casing, the flashboard subassembly includes left shearing flashboard and right shearing flashboard, casing both ends symmetry is provided with two hydraulic cylinder subassemblies, the hydraulic cylinder subassembly passes through the pneumatic cylinder connection pad and installs on the side door, the side door passes through bolt assembly to be installed on the casing, left side shearing flashboard and left side the inboard piston shaft of pneumatic cylinder subassembly links together, right side shearing flashboard and right side the inboard piston shaft of pneumatic cylinder subassembly links together, the pneumatic cylinder subassembly drives respectively left side shearing flashboard right side shearing flashboard is in the casing removes in opposite directions. The utility model discloses a set up special construction's shearing flashboard, can cut off various drilling rods in the drilling operation, can cut off tubular column in the well fast, totally seal the well head, reduce accident time, reduce the loss of accident.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a front view (partially cut away) of a high thrust shear ram blowout preventer of the present invention;
FIG. 2 is a top cross-sectional view of the high thrust shear ram blowout preventer of the present invention;
FIG. 3 is an exploded view of the high thrust shear ram blowout preventer of the present invention;
fig. 4 is a schematic view illustrating the installation of the shutter assembly of the present invention;
FIG. 5 is a schematic structural view of the left shear ram of the present invention;
fig. 6 is a schematic structural view of the right shear shutter according to the present invention.
Description of reference numerals: 1. a housing; 2. a side door; 3. a hydraulic cylinder connecting plate; 4. a cylinder body; 5. a cylinder cover; 6. an indication lever; 7. a piston; 8. a piston shaft; 9. closing the oil chamber; 10. opening an oil cavity; 11. closing the oil port; 12. opening the oil port; 13. a left shear ram; 14. a right shear ram; 15. connecting pins; 1301. a knife edge; 1302. an outer guide groove; 1401. a guide port; 1402. an inner guide groove; 1403. a sand cleaning groove; 16. and (4) a pipe column.
Detailed Description
As shown in fig. 1 to 6, a high thrust shear ram blowout preventer comprises a ram assembly and a housing 1, wherein the ram assembly is arranged in the housing 1, the ram assembly comprises a left shear ram 13 and a right shear ram 14, specifically, a V-shaped knife edge 1301 is arranged at the front end of the left shear ram 13, and outer guide grooves 1302 are arranged on two sides of the left shear ram 13; the front end of the right shear ram plate 14 is provided with an arc-shaped guide opening 1401 and the V-shaped knife edge 1301, two sides of the right shear ram plate 14 are provided with inner guide grooves 1402 matched with the left shear ram plate, the bottom of the right shear ram plate 14 is provided with a sand cleaning groove 1403, the specially designed shear ram plate can cut the pipe column 16 fast and efficiently, and two hydraulic cylinder assemblies are symmetrically arranged at two ends of the shell 1.
Specifically, the pneumatic cylinder subassembly includes cylinder cap 5, cylinder body 4, piston 7, piston shaft 8 and pneumatic cylinder connection pad 3, cylinder cap 5 is installed to the one end of cylinder body 4, pneumatic cylinder connection pad 3 is installed to the other end of cylinder body 4, install in the cylinder body 4 the piston 7 with piston shaft 8, two piston shaft 8 is close to the one end of casing 1 runs through pneumatic cylinder connection pad 3 with 2 backs of side door through connecting pin 15 respectively with left side shearing flashboard 13 the right side shearing flashboard 14 is connected, piston shaft 8 is kept away from the one end of casing 1 pass through the screw thread with piston 7 is connected, and the pneumatic cylinder provides powerful thrust for the shearing of flashboard preventer.
Hydraulic cylinder subassembly passes through hydraulic cylinder connection pad 3 and installs on side door 2, side door 2 passes through bolt assembly mounting on the casing 1, left side shear flashboard 13 and left side the inboard piston shaft 8 of hydraulic cylinder subassembly links together, right side shear flashboard 13 and right side the inboard piston shaft 8 of hydraulic cylinder subassembly links together, hydraulic cylinder subassembly drives respectively left side shear flashboard 13 right side shear flashboard 14 is in the relative movement in the casing 1, piston 7 is kept away from the terminal surface central point of casing 1 puts and is provided with the pilot lever 6 of being convenient for observe the flashboard subassembly position. The utility model discloses a set up special construction's shearing flashboard, can cut off various drilling rods in the drilling operation, can cut off tubular column in the well fast, totally seal the well head, reduce accident time, reduce the loss of accident.
The utility model discloses the theory of operation as follows:
1) well sealing: the utility model provides a ground preventer controlling means oil feed, fluid is through closing oil port 11 respectively to the oil feed in the closed oil pocket 9 of the left and right sides, and the left and right sides is followed respectively to fluid casing 1 the side door 2 the pneumatic cylinder connection pad 3 with the interior concealed oil circuit of cylinder body 4 enters into the closed oil pocket 9 of the left and right sides, promotes the left and right sides respectively piston 7 is to being close to the direction of casing 1 removes, the piston 7 of the left and right sides promotes respectively corresponding piston shaft 8, left side piston shaft 8 drives left side shearing flashboard 13 to casing 1 center removes, right side piston shaft 8 drives right side shearing flashboard 14 to casing 1 center removes, left side shearing flashboard 13 with right side shearing flashboard 14 mutually supports and cuts off in the perpendicular latus rectum tubular column 16 realizes the well shut-in operation.
2) Opening a well: the oil supply of ground preventer controlling means, fluid are through opening hydraulic fluid port 12 respectively to the left and right sides open in the oil pocket 10 oil feed, and the left and right sides is followed respectively to fluid casing 1 the side door 2 the pneumatic cylinder connection pad 3 with the interior concealed oil circuit of cylinder body 4 enters into the opening oil pocket 10 of the left and right sides, promotes the left and right sides respectively piston 7 is to keeping away from 1 direction of casing removes, the piston 7 of the left and right sides promotes respectively corresponding piston shaft 8, left side piston shaft 8 drives left side shearing flashboard 13 is to keeping away from 1 center of casing removes, right side piston shaft 8 drives right side shearing flashboard 14 is to keeping away from 1 center of casing removes, realizes the operation of opening the well.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. A high thrust shear ram blowout preventer, its characterized in that: including flashboard subassembly and casing (1), the flashboard subassembly sets up in casing (1), the flashboard subassembly includes left shear flashboard (13) and right shear flashboard (14), casing (1) both ends symmetry is provided with two hydraulic cylinder subassemblies, hydraulic cylinder subassembly passes through hydraulic cylinder connection pad (3) and installs on side door (2), side door (2) are in through bolt unit mount on casing (1), left side shear flashboard (13) and left side piston shaft (8) inboard of hydraulic cylinder subassembly link together, right side shear flashboard (14) and right side piston shaft (8) inboard of hydraulic cylinder subassembly link together, the hydraulic cylinder subassembly drives respectively left side shear flashboard (13) right side shear flashboard (14) are in the casing (1) is inside to the removal.
2. The high thrust shear ram blowout preventer of claim 1, wherein: the hydraulic cylinder subassembly includes cylinder cap (5), cylinder body (4), piston (7), piston axle (8) and pneumatic cylinder connection pad (3), cylinder cap (5) are installed to the one end of cylinder body (4), pneumatic cylinder connection pad (3) are installed to the other end of cylinder body (4), install in cylinder body (4) piston (7) with piston axle (8).
3. The high thrust shear ram blowout preventer of claim 2, wherein: two piston shaft (8) are close to the one end of casing (1) is run through pneumatic cylinder connection pad (3) with behind side door (2) through connecting pin (15) respectively with left side shear ram (13) right side shear ram (14) are connected, piston shaft (8) are kept away from the one end of casing (1) pass through the screw thread with piston (7) are connected.
4. The high thrust shear ram blowout preventer of claim 2, wherein: the piston (7) is far away from the central position of the end face of the shell (1) and is provided with an indicating rod (6) convenient for observing the position of the flashboard assembly.
5. The high thrust shear ram blowout preventer of claim 1, wherein: the front end of the left shear gate plate (13) is provided with a V-shaped knife edge (1301), and two sides of the left shear gate plate (13) are provided with outer guide grooves (1302); the front end of the right shear gate plate (14) is provided with an arc-shaped guide opening (1401) and a V-shaped knife edge (1301), two sides of the right shear gate plate (14) are provided with inner guide grooves (1402) matched with the left shear gate plate, and the bottom of the right shear gate plate (14) is provided with a sand cleaning groove (1403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120313063.8U CN214403509U (en) | 2021-02-03 | 2021-02-03 | High-thrust shear ram blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120313063.8U CN214403509U (en) | 2021-02-03 | 2021-02-03 | High-thrust shear ram blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214403509U true CN214403509U (en) | 2021-10-15 |
Family
ID=78020617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120313063.8U Active CN214403509U (en) | 2021-02-03 | 2021-02-03 | High-thrust shear ram blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214403509U (en) |
-
2021
- 2021-02-03 CN CN202120313063.8U patent/CN214403509U/en active Active
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