CN220285710U - Efficient cable blowout preventer - Google Patents
Efficient cable blowout preventer Download PDFInfo
- Publication number
- CN220285710U CN220285710U CN202322082873.9U CN202322082873U CN220285710U CN 220285710 U CN220285710 U CN 220285710U CN 202322082873 U CN202322082873 U CN 202322082873U CN 220285710 U CN220285710 U CN 220285710U
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- CN
- China
- Prior art keywords
- exhaust valve
- steel ball
- exhaust
- blowout preventer
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 239000004519 grease Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses a high-efficiency cable blowout preventer, which comprises a conversion flange, a blowout preventer, a conversion joint, a clamp, an exhaust assembly and a grease injection control head which are connected with each other; the exhaust assembly comprises an exhaust valve body and an exhaust valve hydraulic cylinder which are connected with each other, the top of the exhaust valve hydraulic cylinder is connected with a right-angle joint, and the other end of the right-angle joint is connected with a quick joint male end; the inside of the exhaust valve hydraulic cylinder is provided with an exhaust valve piston, an exhaust valve spring is sleeved on the exhaust valve piston, the bottom of the exhaust valve piston is inserted into a horn-shaped cavity formed in the center position of the exhaust valve body, a steel ball is arranged below the exhaust valve piston, a ball seat is arranged below the steel ball, a one-way valve spring is arranged between the ball seat and the steel ball, and the top of the one-way valve spring is connected with the steel ball and places the steel ball at the necking position of the cavity. The hydraulic remote control system is simple in structure and convenient to install, can utilize hydraulic remote control, improves the traditional cable and steel wire operation modes, and effectively improves the safety of field operation.
Description
Technical Field
The utility model relates to the technical field of oilfield cable, steel wire and steel wire operation, in particular to a high-efficiency cable blowout preventer.
Background
When the cable of the oil field goes down the well, the cable blowout preventer is used for pressing the instrument to provide a buffer zone for pressure and a transition zone for the instrument to pass through, so that the wellhead can be sealed under static and dynamic conditions in the operation process, or the wellhead can be closed when overflow is not controlled and other unexpected conditions exist in the operation process, and blowout accidents are prevented.
After the cable blowout preventer is installed at the well head, pressure testing liquid is required to be added into the whole machine to carry out pressure testing, gas exists in the well head at the moment, the stability of the pressure testing process can be affected, and the sealing ring and the cavity can be damaged when serious. Therefore, it is necessary to invent a cable blowout preventer capable of realizing the exhaust function.
Disclosure of Invention
The utility model aims to provide a high-efficiency cable blowout preventer, which solves the problems.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to a high-efficiency cable blowout preventer, which comprises a conversion flange, a blowout preventer, a conversion joint, a clamping device, an exhaust assembly and a grease injection control head which are connected with each other, and is characterized in that: the exhaust assembly comprises an exhaust valve body and an exhaust valve hydraulic cylinder which are connected with each other, the top of the exhaust valve hydraulic cylinder is connected with a right-angle joint, and the other end of the right-angle joint is connected with a quick joint male end; the inside of discharge valve hydraulic cylinder is equipped with the discharge valve piston, the cover is equipped with the discharge valve spring on the discharge valve piston, the bottom of discharge valve piston is inserted in the loudspeaker form cavity of seting up on discharge valve body central point put, the below of discharge valve piston is equipped with the steel ball, the below of steel ball is equipped with the ball seat, be equipped with the check valve spring between ball seat and the steel ball, the top of check valve spring with the steel ball is connected and will the steel ball is arranged in the throat department of cavity, the steel ball with the inner wall of cavity is tangent.
Further, the exhaust valve body is connected with the exhaust valve hydraulic cylinder through an inner hexagonal cylindrical head screw.
Further, a filter plate is connected to the bottom of the exhaust valve body.
Further, a first O-shaped sealing ring is arranged on the outer side of the bottom of the exhaust valve body.
Further, an annular groove is formed in the outer wall of the top of the exhaust valve piston, and a second O-shaped sealing ring is arranged in the annular groove.
Further, an annular groove is formed in the inner wall of the top of the exhaust valve body, and a third O-shaped sealing ring is arranged in the annular groove.
Compared with the prior art, the utility model has the beneficial technical effects that:
the hydraulic remote control system is simple in structure and convenient to install, can utilize hydraulic remote control, improves the traditional cable and steel wire operation modes, and effectively improves the safety of field operation.
Drawings
The utility model is further described with reference to the following description of the drawings.
FIG. 1 is a schematic view of a high-efficiency cable blowout preventer of the present utility model;
FIG. 2 is a cross-sectional view of an exhaust assembly;
reference numerals illustrate: 1. a conversion flange; 2. lubricator; 3. a conversion joint; 4. a card grabber; 5. an exhaust assembly; 6. a fat injection control head; 7. an exhaust valve body; 8. an exhaust valve hydraulic cylinder; 9. right angle connector; 10. a male end of the quick connector; 11. an exhaust valve piston; 12. a steel ball; 13. a ball seat; 14. a check valve spring; 15. a filter plate; 16. a first O-ring seal; 17. a second O-ring seal; 18. a third O-ring seal; 19. an exhaust port; 20. and an exhaust valve spring.
Detailed Description
As shown in fig. 1-2, an efficient cable blowout preventer comprises a conversion flange 1, a blowout preventer 2, a conversion joint 3, a clamp 4, an exhaust assembly 5 and a grease injection control head 6 which are connected with each other.
The exhaust assembly 5 comprises an exhaust valve body 7 and an exhaust valve hydraulic cylinder 8 which are mutually connected through hexagon socket head cap screws, a filter plate 15 is connected to the bottom of the exhaust valve body 7, sundries in a cavity are prevented from entering the valve body, a sealing surface is prevented from being damaged, and a first O-shaped sealing ring 16 is arranged on the outer side of the bottom of the exhaust valve body 7. The top of discharge valve hydraulic cylinder 8 is connected with right angle joint 9, the other end of right angle joint 9 is connected with quick-operation joint male end 10.
The inside of discharge valve hydraulic cylinder 8 is equipped with discharge valve piston 11, the annular channel has been seted up on the top outer wall of discharge valve piston 11, be equipped with second O type sealing washer 17 in the annular channel, through second O type sealing washer 17 makes seal between discharge valve hydraulic cylinder 8 and the discharge valve piston 11. The exhaust valve piston 11 is sleeved with an exhaust valve spring 20, the bottom of the exhaust valve piston 11 is inserted into a horn-shaped cavity formed in the center of the exhaust valve body 7, a steel ball 12 is arranged below the exhaust valve piston 11, a ball seat 13 is arranged below the steel ball 12, a one-way valve spring 14 is arranged between the ball seat 13 and the steel ball 12, the top of the one-way valve spring 14 is connected with the steel ball 12 and places the steel ball 12 at a necking part of the cavity, and the steel ball 12 is tangent with the inner wall of the cavity.
An annular groove is formed in the top inner wall of the exhaust valve body 7, a third O-shaped sealing ring 18 is arranged in the annular groove, and the exhaust valve body 7 and the exhaust valve piston 11 are sealed through the third O-shaped sealing ring 18.
The exhaust assembly adopts threaded connection, through O type sealing washer is sealed, but remote liquid accuse operation opens gas vent 19 at annotating the liquid in-process, with intracavity air follow gas vent 19 exhaust blowout preventer, protection cable and get rid of the potential safety hazard, install in the upper end of the blowout preventer that needs the pressure testing, the check valve structure, realize sealing through the hard seal between steel ball 12 and the discharge valve body 7, ball seat 13 holds up steel ball 12, prevent its position deviation, check valve spring 14 provides the pretightning force for steel ball 12, guarantee that its low pressure can seal annotate liquid, discharge valve body 7 bottom has filter plate 15, prevent intracavity debris entering valve body, damage sealed face.
The action process of the utility model is as follows:
the exhaust valve piston 11 pushes the steel ball 12 through hydraulic pressure, and gas flows out from the exhaust hole 19 of the exhaust valve body 7, so that the exhaust function is realized, after the exhaust is finished, the pressure is released, the exhaust valve spring 12 pushes the exhaust valve piston 11 to return to the initial position, and the steel ball 12 is also pushed to the sealing surface position by the one-way valve spring 14, so that the sealing is realized again.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (6)
1. The utility model provides an efficient cable blowout preventer, includes interconnect's flange (1), lubricator (2), crossover sub (3), grabs card ware (4), exhaust assembly (5) and annotates fat control head (6), its characterized in that: the exhaust assembly (5) comprises an exhaust valve body (7) and an exhaust valve hydraulic cylinder (8) which are connected with each other, the top of the exhaust valve hydraulic cylinder (8) is connected with a right-angle joint (9), and the other end of the right-angle joint (9) is connected with a quick joint male end (10); the inside of discharge valve hydraulic cylinder (8) is equipped with discharge valve piston (11), the cover is equipped with discharge valve spring (20) on discharge valve piston (11), the bottom of discharge valve piston (11) is inserted in the loudspeaker form cavity of seting up on discharge valve body (7) central point put, the below of discharge valve piston (11) is equipped with steel ball (12), the below of steel ball (12) is equipped with ball seat (13), be equipped with check valve spring (14) between ball seat (13) and steel ball (12), the top of check valve spring (14) with steel ball (12) are connected and will steel ball (12) are arranged in the throat department of cavity, steel ball (12) with the inner wall of cavity is tangent.
2. The efficient cable blowout preventer of claim 1, wherein: the exhaust valve body (7) is connected with the exhaust valve hydraulic cylinder (8) through hexagon socket head cap screws.
3. The efficient cable blowout preventer of claim 1, wherein: the bottom of the exhaust valve body (7) is connected with a filter plate (15).
4. The efficient cable blowout preventer of claim 1, wherein: the outer side of the bottom of the exhaust valve body (7) is provided with a first O-shaped sealing ring (16).
5. The efficient cable blowout preventer of claim 1, wherein: an annular groove is formed in the outer wall of the top of the exhaust valve piston (11), and a second O-shaped sealing ring (17) is arranged in the annular groove.
6. The efficient cable blowout preventer of claim 1, wherein: an annular groove is formed in the inner wall of the top of the exhaust valve body (7), and a third O-shaped sealing ring (18) is arranged in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322082873.9U CN220285710U (en) | 2023-08-04 | 2023-08-04 | Efficient cable blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322082873.9U CN220285710U (en) | 2023-08-04 | 2023-08-04 | Efficient cable blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220285710U true CN220285710U (en) | 2024-01-02 |
Family
ID=89336860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322082873.9U Active CN220285710U (en) | 2023-08-04 | 2023-08-04 | Efficient cable blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220285710U (en) |
-
2023
- 2023-08-04 CN CN202322082873.9U patent/CN220285710U/en active Active
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