CN113983228A - Mechanical driving device, system and method for underwater well shut-in gate valve - Google Patents
Mechanical driving device, system and method for underwater well shut-in gate valve Download PDFInfo
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- CN113983228A CN113983228A CN202111322517.9A CN202111322517A CN113983228A CN 113983228 A CN113983228 A CN 113983228A CN 202111322517 A CN202111322517 A CN 202111322517A CN 113983228 A CN113983228 A CN 113983228A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 59
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 210000004907 gland Anatomy 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000013535 sea water Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to a mechanical driving device, a system and a method for an underwater well sealing gate valve. The device comprises: a rotational driving part having one end configured to be connected to the driving element and the other end configured to be connected to the lateral moving part and outputting a rotational motion as a linear motion; a lateral moving member configured to be able to laterally move the valve plate connecting member from one side to the other side of the apparatus; the valve plate connecting part is connected with the valve plate at one end, is a free end at the other end, and can be driven by the transverse moving part to move to the other side when the valve plate connecting part needs to move from one side to the other side of the device; and a seal outer peripheral member that seals the outer peripheries of the rotation driving member, the lateral movement member, and the valve plate connecting member. The device can realize that the well can be shut down smoothly through the mechanical driving device when the underwater well shut-in valve cannot be closed emergently due to the failure of the control system in the marine oil-gas operation process, thereby improving the safety of the marine oil-gas production operation.
Description
Technical Field
The invention relates to the technical field of offshore oil and gas drilling equipment, in particular to a mechanical driving device, a system and a method for an underwater well sealing gate valve.
Background
The underwater well shut-in gate valve is an important component device of an ocean well repairing and completing system, is widely applied to ocean oil and gas production equipment, and realizes the opening and closing of a fluid channel in an oil and gas well by means of the opening and closing of the gate valve. The manner of driving the shutter plate to move open and close is generally hydraulic operation, mechanical operation, etc.
The underwater well shut-in valve usually adopts a flat valve structure, and can drive a piston rod to push a valve plate to move towards the center of a borehole, so that the valve plate is matched with a valve seat to realize well shut-in. Because the ocean oil and gas production operation operating mode is complicated, the environment is abominable, and the requirement is higher to the security, and the conventional marine underwater well-sealing valve that is used for only adopts opening and closing of pure hydraulic control drive wafer valve, if meet hydraulic system trouble or hydraulic pressure pipeline, joint condition such as leaking will lead to unable smooth closing of underwater well-sealing valve, cause and can't shut in well when needing urgent well-sealing to lead to the increase of ocean oil and gas production risk.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a mechanical driving device, a system and a method for an underwater well sealing gate valve, so that the well sealing gate valve can be smoothly closed through the mechanical driving device when the underwater well sealing valve cannot be closed emergently due to the failure of a hydraulic system in the ocean well repairing and completing operation process, and the well is closed.
The invention firstly provides a mechanical driving device for an underwater well sealing gate valve, which comprises:
a rotational driving part having one end configured to be connected to the driving element and the other end configured to be connected to the lateral moving part and outputting a rotational motion as a linear motion;
a lateral moving member configured to be able to laterally move the valve plate connecting member from one side to the other side of the apparatus;
the valve plate connecting part is connected with the valve plate at one end, is a free end at the other end, and can be driven by the transverse moving part to move to the other side when the valve plate connecting part needs to move from one side to the other side of the device;
and a seal outer peripheral member that seals the outer peripheries of the rotation driving member, the lateral movement member, and the valve plate connecting member.
According to an embodiment of the present invention, the other end of the valve plate connecting component is provided with a radial protrusion, and one end of the lateral moving component is provided with a stopping portion extending towards the protrusion, and the stopping portion can stop the protrusion and drive the protrusion to move towards the other side of the device.
According to an embodiment of the present invention, the valve plate connecting member includes a stem having one end connected to the valve plate, and a stem nut provided on an outer periphery of the stem, the stem nut being the projection.
According to one embodiment of the invention, the rotary drive member is provided with a hollow cavity at least at one side thereof, the lateral movement member is of a hollow cylindrical structure, and the valve plate connecting member is adapted to move within the hollow portions of the rotary drive member and the lateral movement member.
According to one embodiment of the invention, the rotational drive member is threadedly engaged with the lateral shifting member.
According to one embodiment of the present invention, the lateral moving member includes a driving sleeve and an anti-rotation member, the internal thread of the driving sleeve is coupled with the driving thread of the lateral moving member, and the anti-rotation member is coupled with the driving sleeve to prevent the driving sleeve from rotating; preferably, the anti-rotation part is an anti-rotation pin, the periphery of the driving sleeve is provided with an anti-rotation groove extending along the axial direction, and the anti-rotation pin is installed in the anti-rotation groove in an adaptive mode.
According to one embodiment of the present invention, the rotation driving part comprises a driving end head and a driving shaft which are connected, the driving shaft is provided with the driving thread, and the driving end head is provided with a square driving interface; preferably, the rotation driving part further comprises a bearing, and the bearing is arranged on the periphery of the driving end head.
According to one embodiment of the present invention, the seal outer peripheral member includes an outer peripheral assembly and a seal assembly, the outer peripheral member includes an end cap, a drive housing and a side flange which are connected in sequence, the side flange is provided on the one side of the apparatus at the outer periphery of the valve plate connecting member, the drive housing is provided at the outer periphery of the laterally moving member and a part of the rotation drive member, and the end cap is provided at the outer periphery of the rotation drive member; preferably, the seal assembly comprises a sealing gasket, the sealing gasket being provided at each connection; preferably, the seal assembly further comprises a gland disposed at an outer periphery of the valve plate connecting member, the gland abutting the sealing gasket at the location in the axial direction.
The invention also provides an underwater well sealing gate valve system which comprises a well sealing valve body, a hydraulic driving device and the mechanical driving device for the underwater well sealing gate valve, wherein the hydraulic driving device and the mechanical driving device are both connected with the valve plate of the well sealing valve body.
The invention also provides a method for utilizing the underwater well sealing gate valve system, which comprises the following steps:
when the mechanical driving device works normally, the hydraulic driving device drives the valve plate of the well sealing valve body to open and close, and the valve plate connecting part of the mechanical driving device moves along with the movement of the valve plate;
when the valve plate of the well sealing valve body needs to be closed through the mechanical driving device, the rotary driving part of the mechanical driving device drives the transverse moving part to move and drives the valve plate connecting part to move, so that the valve plate is closed.
The device can realize that the well can be shut down smoothly through the mechanical driving device when the underwater well shut-in valve cannot be closed emergently due to the failure of the control system in the marine oil-gas operation process, thereby improving the safety of the marine oil-gas production operation.
Drawings
FIG. 1 is a schematic view of an embodiment of an underwater shut-in valve according to the present invention;
FIG. 2 is a schematic axial-side view of a mechanical drive apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a valve stem of a mechanical drive device according to an embodiment of the present invention in a retracted state;
FIG. 4 is a schematic view of an extended state of a valve stem of a mechanical drive device according to an embodiment of the present invention;
FIG. 5 is a schematic view of a driving sleeve according to an embodiment of the present invention;
in the figure: 1. the well sealing valve comprises a well sealing valve body, 2. a mechanical driving device, 3. a hydraulic driving device, 4. a connecting bolt I, 5. a connecting bolt II, 6. a driving end head, 7. a bolt hole I, 8. a connecting pin, 9. an end cover, 10. a positioning screw, 11. a seal I, 12. a driving sleeve, 13. a seal III, 14. an anti-rotation pin, 15. a driving shell, 16. a seal II, 17. a seal gland, 18. a grease injection hole, 19. a valve rod, 20. a side flange, 21. a combined seal I, 22. a bearing, 23. a driving shaft, 24. a driving thread, 25. a valve rod nut, 26. a connecting bolt III, 27. a combined seal II, 28. a seal ring groove and 29. an anti-rotation groove.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.
The technical scheme adopted by the invention is an underwater well-sealing gate valve system. As shown in figure 1, the system mainly comprises a well-sealing valve body 1, a mechanical driving device 2 and a hydraulic driving device 3. The hydraulic driving device and the mechanical driving device are both connected with the valve plate of the well sealing valve body. The back and forth movement of the valve plate can open or close the valve body.
In normal operation, the valve plate of the well sealing valve body can be driven to open and close by the hydraulic driving device 3, and the valve plate connecting part of the mechanical driving device moves along with the movement of the valve plate.
In an emergency, when the valve plate of the well sealing valve body 1 needs to be closed through the mechanical driving device 2, the rotation driving part of the mechanical driving device 2 drives the transverse moving part to move and drives the valve plate connecting part to move, so that the valve plate is closed.
The hydraulic driving device 3 can be driven by a conventional hydraulic cylinder, and is not described herein again.
The mechanical driving device 2 for the underwater well sealing gate valve mainly comprises:
a rotational driving part having one end configured to be connected to the driving element and the other end configured to be connected to the lateral moving part and outputting a rotational motion as a linear motion;
a lateral moving member configured to be able to laterally move the valve plate connecting member from one side to the other side of the apparatus;
the valve plate connecting part is connected with the valve plate at one end, is a free end at the other end, and can be driven by the transverse moving part to move to the other side when the valve plate connecting part needs to move from one side to the other side of the device;
and a seal outer peripheral member that seals the outer peripheries of the rotation driving member, the lateral movement member, and the valve plate connecting member.
According to the technical scheme, the mechanical driving device can be always connected with the well sealing valve body 1 and moves along with the well sealing valve body in normal work, and the driving element can be started immediately to drive the well sealing valve body to move actively in emergency, so that the valve body can be closed in a short time, actions such as reconnection or coupling of the mechanical driving device and the valve body are not needed in the process, the operation is convenient and timely, and the safety of system work is guaranteed.
When the mechanical drive 2 is driven by its own drive element to operate, according to one embodiment of the invention, said other end of the valve plate connection member is provided with a radial projection, said one end of the transverse moving member is provided with a stop extending towards the projection, which stop is able to stop the projection and drive it to move towards the other side of the device.
According to an embodiment of the present invention, as shown in fig. 3 and 4, the valve plate connecting member includes a valve stem 19 and a stem nut 25, one end of the valve stem 19 is connected to the valve plate, the stem nut 25 is provided on an outer periphery of the valve stem 19, and the stem nut 25 is the protrusion.
According to one embodiment of the invention, the rotary drive member is provided with a hollow cavity at least at one side thereof, the transverse moving member is of a hollow cylindrical structure, and the valve plate connecting member is adapted to move within the hollow portions of the rotary drive member and the transverse moving member.
According to one embodiment of the invention, the rotational drive member is threadedly engaged with the lateral shifting member.
According to one embodiment of the present invention, as shown in fig. 3 and 4, the lateral moving member includes a driving sleeve 12, and an anti-rotation member, the internal thread of the driving sleeve 12 is coupled with the driving thread of the lateral moving member, and the anti-rotation member is coupled with the driving sleeve 12 to prevent the driving sleeve 12 from rotating. Preferably, the anti-rotation member is an anti-rotation pin 14. As shown in fig. 5, the driving sleeve 12 is provided with an axially extending anti-rotation groove 29 on the outer periphery, and the anti-rotation pin 14 is fittingly mounted in the anti-rotation groove 29.
According to one embodiment of the invention, the rotational drive means comprises a drive head 6 and a drive shaft 24 connected to each other, the drive shaft 24 being provided with a drive thread and the drive head 6 being provided with a square drive interface. Preferably, the rotary drive means further comprise a bearing 22, the bearing 22 being provided at the outer periphery of the drive head 6.
According to one embodiment of the invention, the seal peripheral member comprises a peripheral assembly and a seal assembly, the peripheral assembly comprises an end cover 7, a drive housing 15 and a side flange 20 which are connected in sequence, the side flange 20 is arranged on one side of the device and is positioned on the periphery of the valve plate connecting part, the drive housing 15 is positioned on the periphery of the transverse moving part and part of the rotation driving part, and the end cover 7 is positioned on the periphery of the rotation driving part.
Preferably, the seal assembly comprises a sealing gasket, the sealing gasket being provided at each connection. Preferably, the sealing assembly further comprises a gland 17, the gland 17 being provided at the periphery of the valve plate connecting member, the gland 17 axially abutting the sealing gasket thereat.
The device can realize that the well can be shut down smoothly through the mechanical driving device when the underwater well shut-in valve cannot be closed emergently due to the failure of the control system in the marine oil-gas operation process, thereby improving the safety of the marine oil-gas production operation.
Examples
Referring to fig. 1, the invention is a schematic diagram of the appearance structure of an underwater well shut-in valve system, in the process of ocean well repairing and completing operation, the pressure of an oil-gas well channel can be controlled by opening and closing an underwater well shut-in valve, so that the occurrence of blowout accidents caused by overhigh pressure in a well in the process of repairing and completing operation can be prevented, in the process of normal operation, the underwater well shut-in valve is opened and closed by a hydraulic driving device 3, and once the hydraulic system fails, the mechanical driving device 2 can be operated by an ROV (remote operated vehicle) to close the underwater well shut-in valve, so that the oil-gas well channel is ensured to be closed.
As shown in fig. 3 and 4, the valve stem of the mechanical driving device of the invention is in a retracted state. The drive head 6 and the drive shaft 23 can be connected by a connecting pin 8, and the drive shaft 23 is provided with a drive thread 24, and is connected with the drive sleeve 12 by the drive thread 24. Drive end 6 is provided with square drive interface, can satisfy the ROV operation interface requirement under water, and drive end 6 is installed inside end cover 9, realizes sealedly through combination seal I21, avoids the entering of sea water, and is portable for guaranteeing the rotation of drive end 6 simultaneously, is provided with bearing 22 between drive end 6 and drive shaft 23, can reduce the resistance when rotating. The outer plane of end cover 9 is provided with bolt hole I7 and is connected with external guider, and the excircle terminal surface of end cover 9 passes through set screw 10 and realizes fixing with drive casing 15, realizes sealedly through sealed I11 between end cover 9 and the drive casing 15, and isolated external sea water gets into the drive arrangement inner chamber. The outer circumference of the driving housing 15 is provided with a stepped bolt hole through which the rotation preventing pin 14 is fitted into the rotation preventing groove 29 of the driving sleeve 12 for converting the rotational motion of the driving sleeve 12 into the linear motion when the driving shaft 23 rotates. The driving shell 15 is connected with the side flange 20 through a connecting bolt III 26, and one end face of the side flange 20 is provided with a sealing II 16 to be in contact with the driving shell 15 for sealing. The other end of the side flange 20 is connected with the well-sealing valve body 1 through a bolt I4, and a metal sealing gasket ring is arranged through a sealing gasket ring groove 28 to realize sealing between the mechanical driving device 2 and the well-sealing valve body.
Before the underwater well shut-in valve is put underwater for formal operation, the driving end 6 is rotated to reset the position of the driving sleeve 12 in the mechanical driving device 2 (as shown in fig. 3), so that the driving sleeve moves to the rightmost side of the inner cavity of the driving shell 15, and when the underwater well shut-in valve is normally opened and closed under the driving of the hydraulic driving device 3, the valve rod 19 is connected with the valve plate clamping groove and freely moves along with the opening and closing of the underwater well shut-in valve.
Referring to fig. 4, the valve rod of the mechanical driving device of the invention is in an extending state, the underwater well sealing valve is opened, and in a normal well repairing and completing operation stage, the driving sleeve 12 is still positioned at the rightmost side of the inner cavity of the driving shell 15. If meet emergency work condition and need carry out the operation of sealing the well under water this moment, accessible ROV operation mechanical drive device's drive end 6, thereby drive shaft 23 rotates, because the effect of stop pin 14 will restrict drive sleeve 12 and rotate, make the rotary motion of drive sleeve 12 convert the rectilinear direction motion, and make the lower bellied backstop portion (workable being the step) of drive sleeve 12 right-hand member can with the valve rod nut butt on the valve rod 19, step pulling valve rod 19 and valve rod nut 25 through drive sleeve 12 move toward the left side, realize closing of sealing the well valve under water, ensure the safety of ocean workover.
The mechanical driving device can be provided with an ROV operation standard interface, and when the hydraulic driver cannot be opened and closed to emergently close the underwater well sealing valve due to the failure of a hydraulic system in the process of ocean well repairing and completing operation, the ROV operation mechanical driving device can be used for closing the underwater well sealing gate valve, closing the well and ensuring the safety of ocean oil and gas production operation.
It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the system or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In addition, in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing embodiments are merely illustrative of the present invention, and various components and devices of the embodiments may be changed or eliminated as desired, not all components shown in the drawings are necessarily required, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application is not limited to the embodiments described herein, and all equivalent changes and modifications based on the technical solutions of the present invention should not be excluded from the scope of the present invention.
Claims (10)
1. A mechanical drive for an underwater shut-in gate valve, the device comprising:
a rotational driving part having one end configured to be connected to the driving element and the other end configured to be connected to the lateral moving part and outputting a rotational motion as a linear motion;
a lateral moving member configured to be able to laterally move the valve plate connecting member from one side to the other side of the apparatus;
the valve plate connecting part is connected with the valve plate at one end, is a free end at the other end, and can be driven by the transverse moving part to move to the other side when the valve plate connecting part needs to move from one side to the other side of the device;
and a seal outer peripheral member that seals the outer peripheries of the rotation driving member, the lateral movement member, and the valve plate connecting member.
2. The mechanical driving device for an underwater well-sealing gate valve as claimed in claim 1, wherein said other end of said valve plate connecting member is provided with a radial protrusion, and one end of said laterally moving member is provided with a stopper portion extending toward said protrusion, said stopper portion being capable of stopping said protrusion and driving said protrusion to move toward the other side of the device.
3. The mechanical driving device for the underwater well sealing gate valve as claimed in claim 2, wherein the valve plate connecting member includes a valve rod and a stem nut, one end of the valve rod is connected to the valve plate, the stem nut is disposed on an outer circumference of the valve rod, and the stem nut is the protrusion.
4. The mechanical driving device for an underwater gate sealing valve according to claim 1, 2 or 3, wherein said rotary driving member is provided with a hollow cavity at least at one side thereof, said lateral moving member is a hollow cylindrical structure, and said valve plate connecting member is adapted to move in the hollow portions of said rotary driving member and said lateral moving member.
5. The mechanical drive device for the subsea shut-in gate valve according to claim 1, 2 or 3, characterized in that said rotary drive member is screw-fittingly connected to said laterally moving member.
6. The mechanical driving device for the underwater well sealing gate valve as claimed in claim 5, wherein the lateral moving member includes a driving sleeve and a rotation preventing member, the internal thread of the driving sleeve is coupled with the driving thread of the lateral moving member, and the rotation preventing member is coupled with the driving sleeve to prevent the driving sleeve from rotating; preferably, the anti-rotation part is an anti-rotation pin, the periphery of the driving sleeve is provided with an anti-rotation groove extending along the axial direction, and the anti-rotation pin is installed in the anti-rotation groove in an adaptive mode.
7. The mechanical driving device for the underwater well sealing gate valve as claimed in claim 5, wherein the rotary driving part comprises a driving end head and a driving shaft which are connected, the driving shaft is provided with the driving thread, and the driving end head is provided with a square driving interface; preferably, the rotation driving part further comprises a bearing, and the bearing is arranged on the periphery of the driving end head.
8. The mechanical driving device for the underwater well-sealing gate valve according to claim 1, 2, 3, 6 or 7, wherein the sealing peripheral member comprises a peripheral assembly and a sealing assembly, the peripheral member comprises an end cover, a driving shell and a side flange which are connected in sequence, the side flange is arranged at one side of the device and is positioned at the periphery of the valve plate connecting member, the driving shell is positioned at the periphery of the transverse moving member and part of the rotating driving member, and the end cover is positioned at the periphery of the rotating driving member; preferably, the seal assembly comprises a sealing gasket, the sealing gasket being provided at each connection; preferably, the seal assembly further comprises a gland disposed at an outer periphery of the valve plate connecting member, the gland abutting the sealing gasket at the location in the axial direction.
9. An underwater shut-in gate valve system, characterized in that the system comprises a shut-in valve body, a hydraulic driving device and a mechanical driving device for the underwater shut-in gate valve according to any one of claims 1 to 8, wherein the hydraulic driving device and the mechanical driving device are both connected with a valve plate of the shut-in valve body.
10. A method of using the subsea well shut-in gate valve system of claim 9, the method comprising:
when the mechanical driving device works normally, the hydraulic driving device drives the valve plate of the well sealing valve body to open and close, and the valve plate connecting part of the mechanical driving device moves along with the movement of the valve plate;
when the valve plate of the well sealing valve body needs to be closed through the mechanical driving device, the rotary driving part of the mechanical driving device drives the transverse moving part to move and drives the valve plate connecting part to move, so that the valve plate is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111322517.9A CN113983228A (en) | 2021-11-09 | 2021-11-09 | Mechanical driving device, system and method for underwater well shut-in gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111322517.9A CN113983228A (en) | 2021-11-09 | 2021-11-09 | Mechanical driving device, system and method for underwater well shut-in gate valve |
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| Publication Number | Publication Date |
|---|---|
| CN113983228A true CN113983228A (en) | 2022-01-28 |
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|---|---|---|---|
| CN202111322517.9A Pending CN113983228A (en) | 2021-11-09 | 2021-11-09 | Mechanical driving device, system and method for underwater well shut-in gate valve |
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| CN (1) | CN113983228A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2551759Y (en) * | 2002-05-23 | 2003-05-21 | 河北华北石油荣盛机械制造有限公司 | Gate jet preventing device for drilling well |
| CN1539066A (en) * | 2001-08-09 | 2004-10-20 | ����� | Valve system and method |
| CN203640667U (en) * | 2013-12-18 | 2014-06-11 | 纽威石油设备（苏州）有限公司 | Manual flashboard type sucker-rod blowout preventer |
| CN105756604A (en) * | 2014-09-22 | 2016-07-13 | Zp因特莱茨有限责任公司 | Multi-stage Blowout Preventer And Method Of Using Same |
| CN210118114U (en) * | 2019-06-21 | 2020-02-28 | 天津翎瑞石油机械有限公司 | Wellhead blowout control device for oil and gas field |
-
2021
- 2021-11-09 CN CN202111322517.9A patent/CN113983228A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1539066A (en) * | 2001-08-09 | 2004-10-20 | ����� | Valve system and method |
| CN101373024A (en) * | 2001-08-09 | 2009-02-25 | 环球油田机械公司 | Valve system and method |
| CN2551759Y (en) * | 2002-05-23 | 2003-05-21 | 河北华北石油荣盛机械制造有限公司 | Gate jet preventing device for drilling well |
| CN203640667U (en) * | 2013-12-18 | 2014-06-11 | 纽威石油设备（苏州）有限公司 | Manual flashboard type sucker-rod blowout preventer |
| CN105756604A (en) * | 2014-09-22 | 2016-07-13 | Zp因特莱茨有限责任公司 | Multi-stage Blowout Preventer And Method Of Using Same |
| CN210118114U (en) * | 2019-06-21 | 2020-02-28 | 天津翎瑞石油机械有限公司 | Wellhead blowout control device for oil and gas field |
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