CN219672610U - Soluble isolation plate valve - Google Patents
Soluble isolation plate valve Download PDFInfo
- Publication number
- CN219672610U CN219672610U CN202321369608.2U CN202321369608U CN219672610U CN 219672610 U CN219672610 U CN 219672610U CN 202321369608 U CN202321369608 U CN 202321369608U CN 219672610 U CN219672610 U CN 219672610U
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- Prior art keywords
- valve
- soluble
- isolation plate
- utility
- model
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- 238000002955 isolation Methods 0.000 title claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 239000003129 oil well Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 210000000664 rectum Anatomy 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The utility model discloses a soluble isolation plate valve, which belongs to the technical field of drilling equipment, and comprises an upper connector and a lower connector, wherein one end of the upper connector is inserted into one end of the lower connector and is fixedly connected with the upper connector through a set screw, a soluble fracturing valve is arranged at the joint of the upper connector and the lower connector, a first O-shaped gasket is arranged between the periphery of one end of the upper connector, which is positioned in the lower connector, and the inner wall of the lower connector, and can effectively isolate formation pressure by using soluble metal (coating treatment on the outer surface) as a valve plate.
Description
Technical Field
The utility model relates to the technical field of drilling equipment, in particular to a soluble isolation plate valve.
Background
An isolation valve is a valve in a fluid handling system that is used to block the flow of process media to a given location, typically for maintenance or safety purposes.
Based on the above, the present inventors found that: in the well completion operation, it is often necessary to design a seating joint above or below the packer to realize functions of well completion pipe string pressure test, wellbore isolation, packer seating, lower well completion isolation, etc., which requires multiple steel wire operations, and there is a certain risk.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the utility model aims to provide a soluble isolation plate valve which can effectively isolate formation pressure by using soluble metal (coating treatment on the outer surface) as a valve plate, after various pressure tests and tests are finished, the valve plate is sheared by improving the pressure of a shaft, so that the tool has full diameter, no necking is caused, the full diameter can be used for production, and the sheared valve plate is continuously dissolved into mud, so that the valve plate is more convenient for cyclic discharge, the use convenience of the valve plate is greatly improved, the multi-pass steel wire operation can be avoided, and the overall safety of the valve plate is improved.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a soluble isolation plate valve, includes top connection and lower clutch, top connection one end is pegged graft in lower clutch one end is inside to through holding screw fixed connection, top connection and lower clutch junction are provided with soluble fracturing valve, top connection is located and is provided with first O type packing ring between the inside one end periphery of lower clutch and the lower clutch inner wall.
Further, the soluble fracturing valve comprises a valve seat arranged inside one end of the lower joint, and a valve plate is arranged on one side of the valve seat.
Further, a second O-shaped gasket is arranged between the periphery of the valve seat and the inner wall of one end of the lower joint.
Further, the outer surface of the valve plate is coated and forms a protective barrier.
Further, threads are arranged on the periphery of the other end of the lower joint.
Further, the upper joint and the lower joint are communicated with the valve seat.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, the soluble metal is used as the valve plate to effectively isolate formation pressure, the outer surface coating treatment can ensure that operations such as seat sealing and pressure test can be effectively carried out before the tool is sheared, meanwhile, the shearing pressure is controlled by controlling the shearing thickness, and the shearing force can be regulated according to well conditions, so that the use safety is greatly improved, multi-pass steel wire operation is avoided, and the risk in the production process is reduced;
(2) This scheme, the device is generally installed at the oil pipe end or the lower limit of packer and is used for as pressure barrier, can carry out well completion tubular column pressure testing, set packer etc. after packer setting finishes and various pressure testing and test are accomplished, can directly cut the valve plate through improving pit shaft pressure, and the valve plate is cut the back, instrument full latus rectum, does not have any necking down, can produce full latus rectum to the valve plate after cutting constantly dissolves into mud form thing, more is convenient for circulate and discharges, simple structure, simple to operate, it is convenient to use.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
fig. 4 is an enlarged view of the B position in fig. 2 according to the present utility model.
The reference numerals in the figures illustrate:
1. an upper joint;
2. a lower joint;
3. a set screw;
4. a dissolvable frac valve; 41. a valve seat; 42. a valve plate;
5. a first O-ring;
6. a second O-ring.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
referring to fig. 1-4, a soluble isolation plate valve comprises an upper joint 1 and a lower joint 2, wherein one end of the upper joint 1 is inserted into one end of the lower joint 2 and is fixedly connected with the upper joint 1 through a set screw 3, a soluble fracturing valve 4 is arranged at the joint of the upper joint 1 and the lower joint 2, a first O-shaped gasket 5 is arranged between the periphery of one end of the upper joint 1 positioned in the lower joint 2 and the inner wall of the lower joint 2, the sealing performance between the upper joint 1 and the lower joint 2 can be achieved by utilizing the first O-shaped gasket 5, when the soluble isolation plate valve is used, the upper joint 1 is connected with the tail end of an oil pipe, the lower joint 2 is connected with the top end of the oil pipe, and the soluble fracturing valve 4 is matched to serve as a pressure barrier, so that functions of well completion pipe string pressure testing, packer setting and the like can be achieved.
Referring to fig. 4, the soluble fracturing valve 4 comprises a valve seat 41 arranged inside one end of the lower joint 2, a valve plate 42 is arranged on one side of the valve seat 41, when the soluble fracturing valve is used, the valve plate 42 is made of soluble metal, the outer surface of the valve plate is coated, the soluble fracturing valve can be used as a barrier for effectively isolating formation pressure, and after the valve plate 42 is sheared, the soluble fracturing valve can be continuously dissolved into mud, is more convenient to circularly discharge, effectively avoids blockage inside a pipeline, has no necking, and can be produced in a full-path.
Referring to fig. 4, a second O-ring 6 is provided between the outer periphery of the valve seat 41 and the inner wall of one end of the lower joint 2, and in use, the sealing property between the valve seat 41 and the inner wall of the lower joint 2 can be improved by the second O-ring 6.
Referring to fig. 2, the outer surface of the valve plate 42 is coated to form a protective barrier, and in use, the coating of the outer surface of the valve plate 42 ensures that the tool can effectively perform operations such as sealing, pressure test, etc. before shearing.
Referring to fig. 1, the other end of the lower joint 2 is provided with threads on the outer circumference, so that the quick connection of the oil pipe can be facilitated by using the threads on the outer circumference.
Referring to fig. 2, the upper joint 1 and the lower joint 2 are communicated with the valve seat 41, and in use, the upper joint 1 and the lower joint 2 are communicated with the valve seat 41, so that after the valve plate 42 is sheared, the full diameter of the tool can be realized, no necking is generated, and the full diameter can be used for production.
When in use: the upper joint 1 is connected with the tail end of the oil pipe, the lower joint 2 is connected with the top end of the oil pipe, and the upper joint is used as a part of a pipe column and matched with the soluble fracturing valve 4, so that the upper joint can be used as a pressure barrier, and the functions of pressure test of a well completion pipe column, packer setting and the like can be realized. When the packer is set, various pressure tests and tests are completed, and the task of the soluble isolation plate valve is completed. At this time, the valve plate 42 can be sheared by improving the pressure of a shaft, so that the use safety is greatly improved, multi-pass steel wire operation is avoided, the risk in the production process is reduced, and when the valve plate 42 is sheared, the tool has full-diameter without any necking, and the production can be carried out in full-diameter. The sheared valve plate 42 is continuously dissolved into mud, so that the mud is more convenient to circularly discharge, the internal blockage of a pipeline is effectively avoided, the structure is simple, the installation is convenient, and the use convenience is improved.
Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between 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.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides a soluble isolation plate valve, includes top connection (1) and lower clutch (2), its characterized in that: the utility model discloses a high-pressure oil well fracturing device, including top connection (1), bottom connection (2), top connection (1), holding screw (3), top connection (1) one end is pegged graft in bottom connection (2) one end is inside to through holding screw (3) fixed connection, top connection (1) are provided with soluble fracturing valve (4) with bottom connection (2) junction, top connection (1) are located and are provided with first O type packing ring (5) between bottom connection (2) inner wall) and the inside one end periphery of bottom connection (2).
2. A soluble-isolation plate valve according to claim 1, wherein: the soluble fracturing valve (4) comprises a valve seat (41) arranged inside one end of the lower joint (2), and a valve plate (42) is arranged on one side of the valve seat (41).
3. A soluble-isolation plate valve according to claim 2, wherein: a second O-shaped gasket (6) is arranged between the periphery of the valve seat (41) and the inner wall of one end of the lower joint (2).
4. A soluble-isolation plate valve according to claim 2, wherein: the outer surface of the valve plate (42) is coated and forms a protective barrier.
5. A soluble-isolation plate valve according to claim 1, wherein: the periphery of the other end of the lower joint (2) is provided with threads.
6. A soluble-isolation plate valve according to claim 1, wherein: the upper joint (1) and the lower joint (2) are communicated with the valve seat (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369608.2U CN219672610U (en) | 2023-06-01 | 2023-06-01 | Soluble isolation plate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369608.2U CN219672610U (en) | 2023-06-01 | 2023-06-01 | Soluble isolation plate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219672610U true CN219672610U (en) | 2023-09-12 |
Family
ID=87891754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321369608.2U Active CN219672610U (en) | 2023-06-01 | 2023-06-01 | Soluble isolation plate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219672610U (en) |
-
2023
- 2023-06-01 CN CN202321369608.2U patent/CN219672610U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |