CN219101301U - Storm valve used in zero-time well sealing pipe column - Google Patents
Storm valve used in zero-time well sealing pipe column Download PDFInfo
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- CN219101301U CN219101301U CN202320558155.1U CN202320558155U CN219101301U CN 219101301 U CN219101301 U CN 219101301U CN 202320558155 U CN202320558155 U CN 202320558155U CN 219101301 U CN219101301 U CN 219101301U
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Abstract
The utility model discloses a storm valve used in a zero-time well sealing pipe column, which relates to the technical field of valve components, and comprises the following specific structures: the sealing shaft is provided with a concave ladder section at the outer side; the upper valve body is arranged at the outer side of the sealing shaft; the torque ring is arranged at the top of the upper valve body, and the top of the torque ring is matched with the bench section; the valve shaft is arranged in the sealing shaft, and the outer wall of the valve shaft is in contact with the outer wall of the upper valve body; the circulating body is arranged at the bottom of the upper valve body, and an accommodating cavity is formed in the circulating body; the valve core is arranged in the accommodating cavity, and the top of the valve core is matched with the bottom of the valve shaft; the lower valve body is arranged at the bottom of the circulating body; two check screws, one is installed on the circulation body, and the other is installed on the lower valve body; the piston connector is arranged at the bottom of the circulating body; and the piston is arranged in the piston connector. The utility model solves the technical problem of insufficient time-use safety caused by the existing storm valve structure.
Description
Technical Field
The utility model relates to the technical field of valve assemblies, in particular to a storm valve used in a zero-time well sealing tubular column.
Background
In the oil production process, the storm valve is mainly used above the mechanical packer to achieve the purpose of temporarily sealing the well, so that the well head can be fully controlled and protected without lifting a drill rod or an oil pipe.
The existing storm valve has defects due to the structure: when the storm valve is reversely buckled, corresponding parts such as a sealing shaft and the like can be reversely opened, so that underground accidents can be caused, and the operation safety is influenced; and the torque ring is easy to fall off and falls into the well, so that the safety is affected.
Disclosure of Invention
The utility model aims to provide a storm valve used in a zero-time well sealing pipe column, which solves the technical problem that the storm valve structure in the prior art is insufficient in safety in use.
The embodiment of the application discloses a storm valve for zero time in well string, include:
the sealing shaft is provided with a concave ladder section at the outer side;
the upper valve body is arranged at the outer side of the sealing shaft;
the torque ring is arranged at the top of the upper valve body, and the top of the torque ring is matched with the ladder section;
a valve shaft mounted inside the sealing shaft, and an outer wall of the valve shaft is in contact with an outer wall of the upper valve body;
the circulating body is arranged at the bottom of the upper valve body, and an accommodating cavity is formed in the circulating body;
the valve core is arranged in the accommodating cavity, and the top of the valve core is matched with the bottom of the valve shaft;
the lower valve body is arranged at the bottom of the circulation body;
two locking screws, one of which extends inwards from the top of the circulating body to the outer wall of the upper valve body, and the other of which extends inwards from the top of the lower valve body to the outer wall of the circulating body;
the piston connector is arranged at the bottom of the circulation body;
and the piston is arranged in the piston connector.
This application designs the structure, is provided with two and loosens the screw, further guarantees the stability of corresponding part, prevents promptly when the reverse seal axle, and parts such as last valve body, circulation body and lower valve body separate, influence follow-up assembly and use.
Based on the above technical solution, the embodiment of the present application may further be modified as follows:
further, at least one layer of first sealing ring is arranged between the inner wall of the upper valve body and the outer wall of the sealing shaft;
at least two layers of second sealing rings are arranged between the outer wall of the valve core and the inner wall of the circulating body, and the sealing performance can be guaranteed through the multi-layer sealing rings.
Further, the piston connector and the piston are connected with a shearing pin, and the beneficial effects of the method are that the stability of piston connection can be ensured through the shearing pin.
Further, the sealing device further comprises a mandrel fixer, wherein the mandrel fixer is arranged between the top of the valve shaft and the bottom of the sealing shaft, and the sealing device has the beneficial effect that the stability of the installation of the sealing shaft is ensured through the mandrel fixer.
Further, the inner diameter of the torque ring is smaller than the outer diameter of the sealing shaft, and the beneficial effect of the method is that the torque ring falls into the well.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. the anti-loose screw is arranged, so that the anti-loose screw cannot be opened from other parts during back-off, underground accidents are caused, and the operation safety is improved;
2. the application designs the torque ring, specifically controls the hole diameter of the torque ring, avoids the torque ring to fall into the well.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a storm valve for use in a zero-time well string according to an embodiment of the utility model;
1-sealing a shaft; 2-upper valve body; 3-torque rings; 4-a valve shaft; 5-a loop body; 6-valve core; 7-a lower valve body; 8-a locking screw; 9-piston connector; 10-a piston; 11-a first sealing ring; 12-a second sealing ring; 13-shearing pins; 14-a mandrel holder;
101-a ladder section;
501-receiving chamber.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
In the description of the present application, it should be understood that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Examples:
as shown in fig. 1, the embodiment of the application discloses a storm valve used in a zero-time well-sealing pipe column, when typhoons come to temporarily or overhaul wellhead equipment, pipe column plugging can be realized through the storm valve, zero-time well sealing is completed, and blowout is prevented;
the concrete structure comprises:
the sealing shaft 1, the outside of the sealing shaft 1 is provided with a concave terrace section 101, and a thread section is arranged below the terrace section of the outer wall of the sealing shaft and is matched with the subsequent upper valve body 2 to finish connection;
the upper valve body 2 is arranged outside the sealing shaft 1, and a specific mode can be a sleeving mode;
the torque ring 3 is arranged at the top of the upper valve body 2, the top of the torque ring 3 is matched with the ladder section 101, and threads are arranged on the ladder section 101, so that connection between the sealing shaft 1 and the upper valve body 2 is conveniently achieved;
a valve shaft 4 mounted inside the sealing shaft 1, wherein an outer wall of the valve shaft 4 contacts with an outer wall of the upper valve body 2, a top of the valve shaft 4 is matched with a bottom inner wall of the sealing shaft 1, and a middle outer wall is matched with the upper valve body 2;
the circulating body 5 is arranged at the bottom of the upper valve body 2, a containing cavity 501 is formed in the circulating body 5, a circulating hole is formed in the outer wall of the circulating body 5, meanwhile, the longitudinal section of the circulating body 5 is in a Z-like shape, and meanwhile, a stepped section is formed in the outer wall of the bottom of the upper valve body 2 and is matched with the top of the circulating body 5, so that assembly is completed;
the valve core 6 is arranged in the accommodating cavity 501, the top of the valve core 6 is matched with the bottom of the valve shaft 4, the valve core 6 is matched with the valve shaft 4, and the outer wall of the valve core 6 is matched with the inner wall of the circulating body 5;
the lower valve body 7 is arranged at the bottom of the circulation body 5, and the concrete installation mode can be threaded connection or screw connection;
two set screws 8, one set screw 8 extends inwards from the top of the circulation body 5 to the outer wall of the upper valve body 2, and the set screw 8 is assembled on the top of the circulation body 5; another locking screw 8 extends inwards from the top of the lower valve body 7 to the outer wall of the circulating body 5, and the locking screw 8 is positioned at the bottom of the upper valve body 2 and at the top of the lower valve body 7; the two anti-loose screws 8 in the application are high-strength anti-loose screws, so that the anti-loose screws can be effectively prevented from being opened when the shaft 1 is reversely sealed, and the assembly of the whole device is prevented from being influenced;
a piston connector 9 mounted to the bottom of the circulation body 5, the piston connector 9 being located at the bottom of the circulation body 5 for assembling a subsequent piston;
a piston 10 is provided inside the piston connector 9, and a subsequent corresponding operation can be performed by the piston 10.
In an embodiment, at least one layer of first sealing ring 11 is disposed between the inner wall of the upper valve body 2 and the outer wall of the sealing shaft 1, and the first sealing ring 11 may be two layers, i.e. located on the upper side and the lower side, respectively, so as to ensure tightness;
at least two layers of second sealing rings 12 are arranged between the outer wall of the valve core 6 and the inner wall of the circulating body 5, and the second sealing rings 12 are used for realizing sealing and also ensuring tightness.
A shear pin 13 is connected between the piston connector 9 and the piston 10, whereby a stable assembly of the piston 10 can be ensured by means of the shear pin 13.
Wherein, it still includes dabber fixer 14, dabber fixer 14 sets up between the valve shaft 4 top and sealing shaft 1 bottom to this guarantees sealing shaft 1 connection's stability.
Wherein, the internal diameter of moment ring 3 is less than the external diameter of sealed axle 1, effectively prevents moment ring and falls into the well.
The specific operation process of the application is as follows:
the weight of the drilling tool above the storm valve is lifted up, so that the stress at the tool of the storm valve is zero, the drill string is rotated anticlockwise, a mandrel (insertion tube) at the lower end of a sealing shaft assembly (short for short, comprising a sealing shaft, a valve shaft and a mandrel fixer) drives a valve core 6 to move upwards, the valve core 6 is misplaced with a valve hole on a circulation body 5, two groups of sealing rings at the lower end of the valve core 6 seal the circulation hole on the circulation body 5 to realize closing, and at the moment, the sealing shaft 1 is separated from an upper valve body 2 to finish releasing action. The riser string is pulled up to the run-in/tieback nipple.
After typhoon is over, when the tool is needed to be recovered, the typhoon is put into the feeding/recovering nipple. The pipe is drilled down to the top of the storm valve, the recovery nipple is slowly inserted into the storm valve tool, the positive rotation pipe column is in butt joint with the storm valve body, the valve core moves downwards, the valve core 6 is aligned with the valve hole on the circulating body 5, opening is achieved, and at the moment, the inner channel of the connection of the sealing shaft and the storm valve body is opened. Lifting the pipe column to unseal, and lifting the pipe column.
In the description of the present utility model, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (5)
1. A storm valve for use in a zero time shut-in string comprising:
the sealing shaft is provided with a concave ladder section at the outer side;
the upper valve body is arranged at the outer side of the sealing shaft;
the torque ring is arranged at the top of the upper valve body, and the top of the torque ring is matched with the ladder section;
a valve shaft mounted inside the sealing shaft, and an outer wall of the valve shaft is in contact with an outer wall of the upper valve body;
the circulating body is arranged at the bottom of the upper valve body, and an accommodating cavity is formed in the circulating body;
the valve core is arranged in the accommodating cavity, and the top of the valve core is matched with the bottom of the valve shaft;
the lower valve body is arranged at the bottom of the circulation body;
two locking screws, one of which extends inwards from the top of the circulating body to the outer wall of the upper valve body, and the other of which extends inwards from the top of the lower valve body to the outer wall of the circulating body;
the piston connector is arranged at the bottom of the circulation body;
and the piston is arranged in the piston connector.
2. The storm valve of claim 1 wherein at least one layer of a first seal ring is disposed between an inner wall of said upper valve body and an outer wall of said seal shaft;
at least two layers of second sealing rings are arranged between the outer wall of the valve core and the inner wall of the circulating body.
3. The storm valve of claim 1 wherein a shear pin is connected between said piston connector and said piston.
4. The storm valve of claim 1 further comprising a mandrel retainer disposed between said valve shaft top and said seal shaft bottom.
5. The storm valve of claim 1 wherein said torque ring has an inner diameter less than an outer diameter of said seal shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320558155.1U CN219101301U (en) | 2023-03-21 | 2023-03-21 | Storm valve used in zero-time well sealing pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320558155.1U CN219101301U (en) | 2023-03-21 | 2023-03-21 | Storm valve used in zero-time well sealing pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219101301U true CN219101301U (en) | 2023-05-30 |
Family
ID=86462465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320558155.1U Active CN219101301U (en) | 2023-03-21 | 2023-03-21 | Storm valve used in zero-time well sealing pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219101301U (en) |
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2023
- 2023-03-21 CN CN202320558155.1U patent/CN219101301U/en active Active
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