CN215762194U - Oil-well pump fixed valve device convenient to disassemble - Google Patents
Oil-well pump fixed valve device convenient to disassemble Download PDFInfo
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- CN215762194U CN215762194U CN202121351799.0U CN202121351799U CN215762194U CN 215762194 U CN215762194 U CN 215762194U CN 202121351799 U CN202121351799 U CN 202121351799U CN 215762194 U CN215762194 U CN 215762194U
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Abstract
The utility model discloses an oil well pump fixed valve device convenient to disassemble, which comprises a fixed valve body, wherein the fixed valve body comprises a valve seat and a valve core arranged in the valve seat; the device also comprises a lower joint; the upper end of the lower joint is connected with the lower end of the valve seat; the lower joint is provided with a radial through hole. The outer wall of the lower joint is provided with a lap joint shoulder square. The fixed valve assembly of the existing oil well pump is improved, the lapping function is realized through the machined lapping shoulder, and the corresponding sieve mesh is machined to solve the problems that the oil well pump of an easily-produced sand well is easy to clamp a pump due to failure of a sand prevention measure and the like, so that the sand flow diversion function is realized.
Description
Technical Field
The utility model relates to the technical field of fixed valves of oil-well pumps for oil field production, in particular to an oil-well pump fixed valve device convenient to disassemble.
Background
In order to guarantee stable production of an oil field, the oil pumping machine well needs to be operated underground frequently, in order to master and define the reason of well lying, each well needs to carry out on-site anatomical analysis on the oil well pump which is lifted out, the work at least needs 2 persons for matching at each time, the fixed valve can be opened in the time of more than half an hour, and time and labor are wasted. How convenient and fast to accomplish, puzzled a ray of staff always, for this reason, hope to utilize current instrument to carry out the helping hand urgently, but the on-the-spot problem of disassembling is not considered to present pump barrel structure, can't satisfy the requirement of instrument such as overlap joint hydraulic tong, becomes the problem that awaits the solution in the production urgently, and to easily going out the sand well, the oil-well pump is because of the sand control measure inefficacy card pump easily, must carry out relevant technological improvement.
Retrieving approximate patent publication numbers: CN207315629U, patent name: the blowout prevention oil well pump fixes the valve. The patent relates to a fixed valve of an anti-spraying oil well pump. The problem of oil gas water in the well spills the blowout from well head or oil pipe upper portion under the pressure in the operation work progress in the main solution, causes the pollution to well site and surrounding environment. The method is characterized in that: a sliding sleeve is arranged in the upper joint, the upper part in the lower joint is connected with a tappet base, a circular hole with a screw thread is formed in the middle of the tappet base to be connected with a tappet, six release heads are arranged outside the tappet, and the head of the tappet is a sealing section; be equipped with the screw thread in the sliding sleeve cavity, the lower part is equipped with six and takes off and connects the claw in the sliding sleeve cavity, and the sliding sleeve base locking is on tappet release first upper portion, and the top connection passes through the spacer pin and connects the sliding sleeve, threaded connection ball valve seat in the sliding sleeve cavity, the ball valve seat overhead has the ball valve, and ball valve upper portion is equipped with the ball valve bonnet. The technical scheme is as follows: mainly comprises a polishing sleeve, a base, a pressing cap, filling sand, a packing, a polishing auxiliary sleeve and a bolt. In contrast to the present invention: the tool mainly solves the problem of on-site disassembly, and is obviously different from the tool in structure, principle and function.
Publication (bulletin) No.: CN204041427U, publication (public notice) day: 2014-12-24 discloses a fixed valve and a fixed valve seat assembly thereof, belonging to the field of coal bed gas development. The fixed valve comprises: the fixed valve seat assembly comprises a fixed valve seat and a fixed valve joint, one end of the fixed valve seat is fixedly connected with the fixed valve joint, and the fixed valve seat and the fixed valve ball are arranged in a cavity formed by the fixed valve seat and the fixed valve joint; the fixed valve also comprises a sand setting pipe; the fixed valve seat is a conical cylinder with openings at two ends, the large end of the fixed valve seat is hermetically connected with the fixed valve cover, and the small end of the fixed valve seat is hermetically connected with one end of the fixed valve joint; liquid inlet holes communicated with the pump pipe and the oil pipe are formed in the side wall of the fixed valve seat and the fixed valve joint, and sand settling holes communicated with the pump pipe and the sand settling pipe are formed in the fixed valve seat; one end of the sand setting pipe is connected with the fixed valve joint through the channel hole, and the other end of the sand setting pipe is closed.
Publication (bulletin) No.: CN111425380A, publication (public notice) day: 2020-07-17 provide an oil-well pump and a valve structure, and relates to the technical field of oil exploitation. This valve structure includes valve cover, valve seat, shutoff spare, guide post and sealing member, wherein: the valve cover is provided with a first end and a second end which are communicated, a boss is arranged in the first end, a fixing part is arranged in the second end, and the fixing part is provided with a guide hole and an oil passing hole which are communicated along the axial direction of the valve cover; the valve seat is provided with a bottom end part and a top end part which are communicated, and the top end part is propped against one side of the boss far away from the second end; the blocking piece is arranged in the valve cover and comprises a bottom surface and a side surface surrounding the bottom surface, the side surface is movably abutted with the top end part of the valve seat, the bottom surface faces the second end, the radial size of the blocking piece is equal to the inner diameter of the boss, and the blocking piece is flush with one side of the boss close to the second end; one end of the guide post is connected with the bottom surface, and the other end of the guide post can slidably penetrate through the guide hole; the sealing element is sleeved outside the guide column and covers the bottom surface and one side of the boss close to the second end, and the sealing element is made of elastic materials.
In summary, the technical solutions of the above-disclosed technologies, the technical problems to be solved, and the advantageous effects thereof are all different from the present invention, and no technical inspiration exists in the above-disclosed technical documents for further technical features, technical problems to be solved, and advantageous effects thereof.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the oil well pump fixed valve device convenient to disassemble, the existing oil well pump fixed valve assembly is improved, the lapping function is realized through the machined lapping shoulder, and the corresponding sieve mesh is machined to realize the sand flow diversion function aiming at the problems that the oil well pump of an easily-going sand well is easy to clamp a pump due to the failure of a sand prevention measure and the like.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a fixed valve device of an oil well pump convenient to disassemble comprises a fixed valve body, wherein the fixed valve body comprises a valve seat and a valve core arranged in the valve seat;
the device also comprises a lower joint;
the upper end of the lower joint is connected with the lower end of the valve seat;
the lower joint is provided with a radial through hole;
the outer wall of the lower joint is provided with a lap joint shoulder square.
Furthermore, the upper end of the lower joint is in threaded connection with the lower end of the valve seat.
Further, the valve core comprises a valve ball and a ball seat;
the ball seat is arranged on the inner wall of the valve seat, the ball seat is annular, the inner diameter of the ball seat is smaller than the diameter of the valve ball, and the valve ball is used for sealing a channel in the ball seat.
Furthermore, the inner wall of the valve seat is provided with a reducing shoulder which is used as an axial upper limiting platform of the upper end surface of the ball seat.
Further, the upper end face of the lower joint serves as an axial lower limiting table of the lower end face of the ball seat.
Compared with the prior art, the utility model has the following beneficial effects:
during the production of going into the well, liquid gets into the pump barrel through the radial through-hole of fixed valve seat lower clutch, to easily going out the sand well, at the sand control measure initial stage that became invalid, when the sand content is less relatively, can play better fender sand filter sand function.
When pump checking operation is needed, the conventional oil well pump can only be moved to the ground due to the fact that the well mouth cannot be detached, and then the ground is broken off by more than 2 constructors in a matched mode. However, the lower joint disclosed by the utility model can be lapped and fastened loosely by using wrench tools such as well head hydraulic tongs and the like due to the fact that the lower joint is lengthened in size and is provided with the lapping shoulder, and the disassembly can be completed quickly.
Drawings
Fig. 1 is a schematic view of an oil well pump fixed valve device convenient to disassemble.
In the figure: 1. a valve seat; 2. a lower joint; 3. lapping shoulder square; 4. a radial through hole; 5. a Versailles ball; 6. a ball seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1, the present invention provides a technical solution:
an oil-well pump fixed valve device convenient to disassemble comprises a fixed valve body, wherein the fixed valve body comprises a valve seat 1 and a valve core arranged in the valve seat;
the device also comprises a lower joint 2;
the upper end of the lower joint is connected with the lower end of the valve seat;
the lower joint is provided with a radial through hole 4.
And the outer wall of the lower joint is provided with a lap joint shoulder square 3.
Furthermore, the upper end of the lower joint is in threaded connection with the lower end of the valve seat.
Further, the valve core comprises a valve ball 5 and a ball seat 6;
the ball seat is arranged on the inner wall of the valve seat, the ball seat is annular, the inner diameter of the ball seat is smaller than the diameter of the valve ball, and the valve ball is used for sealing a channel in the ball seat.
Furthermore, the inner wall of the valve seat is provided with a reducing shoulder which is used as an axial upper limiting platform of the upper end surface of the ball seat.
Further, the upper end face of the lower joint serves as an axial lower limiting table of the lower end face of the ball seat.
The upper part of the valve seat 1 is connected with the pump cylinder of the oil well pump, and the lower part is connected with the lower joint 2.
The lower joint 2 is used as a main improvement part, wherein the size of the lower joint is lengthened by more than 100mm compared with that of a conventional joint, the lower joint is provided with a lap joint shoulder square 3 for tool lap joint, the lap joint shoulder square is a square surface processed on the outer wall of the lower joint, and the lower joint 2 is provided with a plurality of radial through holes 4 for shunting and guiding foreign matters such as sand, wax and the like.
The length of the connector is increased by more than 10mm on the basis of the existing fixed valve connector, and a sand guide function in the production process is realized by processing a sand control sieve mesh on the connector. During the production of going into the well, liquid gets into the pump barrel through radial through-hole 4 of fixed valve seat lower clutch, to easily going out the sand well, at the sand control measure initial stage that became invalid, when the sand content is less relatively, can play better fender sand filter sand function.
The valve fixing connector is lengthened by more than 10mm on the basis of the existing valve fixing connector, and the function of disassembling the valve fixing connector on site by using power tools such as wellhead hydraulic tongs is realized by processing a lap joint shoulder on the connector. When pump checking operation is needed, the conventional oil well pump can only be moved to the ground due to the fact that the well mouth cannot be detached, and then the ground is broken off by more than 2 constructors in a matched mode. However, the lower joint 2 disclosed by the utility model is lengthened in size and provided with the lap joint shoulder, so that lap joint tightness and fastening can be realized by using a wellhead hydraulic tong, and disassembly can be quickly completed.
Example 2:
referring to fig. 1, the present invention provides a technical solution:
an oil-well pump fixed valve device convenient to disassemble comprises a fixed valve body, wherein the fixed valve body comprises a valve seat 1 and a valve core arranged in the valve seat;
the device also comprises a lower joint 2;
the upper end of the lower joint is connected with the lower end of the valve seat;
the lower joint is provided with a radial through hole 4.
And the outer wall of the lower joint is provided with a lap joint shoulder square 3.
Furthermore, the upper end of the lower joint is in threaded connection with the lower end of the valve seat.
Further, the valve core comprises a valve ball 5 and a ball seat 6;
the ball seat is arranged on the inner wall of the valve seat, the ball seat is annular, the inner diameter of the ball seat is smaller than the diameter of the valve ball, and the valve ball is used for sealing a channel in the ball seat.
Example 3:
referring to fig. 1, the present invention provides a technical solution:
an oil-well pump fixed valve device convenient to disassemble comprises a fixed valve body, wherein the fixed valve body comprises a valve seat 1 and a valve core arranged in the valve seat;
the device also comprises a lower joint 2;
the upper end of the lower joint is connected with the lower end of the valve seat;
the lower joint is provided with a radial through hole 4.
And the outer wall of the lower joint is provided with a lap joint shoulder square 3.
In a word, the utility model can realize that the fixed valve can be rapidly disassembled by utilizing tools such as hydraulic pliers and the like on site, and the sand flow guiding function in the production process is realized through the sand control sieve pores.
Although fig. 1 is used for all the above embodiments, it is obvious to those skilled in the art that a separate drawing is not shown as long as the parts or structural features missing in the embodiments are removed from the drawing. As will be clear to the skilled person. Of course, the embodiments with more components or structural features are only the best embodiments, and the embodiments with fewer components are the basic embodiments, but the basic objects of the utility model can also be achieved, so all the modified embodiments are within the protection scope of the utility model.
All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," 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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer 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.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A fixed valve device of an oil well pump convenient to disassemble comprises a fixed valve body, wherein the fixed valve body comprises a valve seat and a valve core arranged in the valve seat;
it is characterized by also comprising a lower joint;
the upper end of the lower joint is connected with the lower end of the valve seat;
the lower joint is provided with a radial through hole;
the outer wall of the lower joint is provided with a lap joint shoulder square.
2. The oil well pump fixed valve device convenient to disassemble as claimed in claim 1, wherein the upper end of the lower joint is connected with the lower end of the valve seat in a threaded manner.
3. The oil well pump fixed valve device convenient to disassemble as claimed in claim 1 or 2, wherein the valve core comprises a valve ball and a ball seat;
the ball seat is arranged on the inner wall of the valve seat, the ball seat is annular, the inner diameter of the ball seat is smaller than the diameter of the valve ball, and the valve ball is used for sealing a channel in the ball seat.
4. The oil well pump fixed valve device convenient to disassemble as claimed in claim 3, wherein the inner wall of the valve seat is provided with a reducing shoulder which is used as an axial upper limiting platform of the upper end surface of the ball seat.
5. The oil well pump fixed valve device convenient to disassemble as claimed in claim 4, wherein the upper end face of the lower joint is used as an axial lower limiting platform of the lower end face of the ball seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121351799.0U CN215762194U (en) | 2021-06-17 | 2021-06-17 | Oil-well pump fixed valve device convenient to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121351799.0U CN215762194U (en) | 2021-06-17 | 2021-06-17 | Oil-well pump fixed valve device convenient to disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215762194U true CN215762194U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121351799.0U Active CN215762194U (en) | 2021-06-17 | 2021-06-17 | Oil-well pump fixed valve device convenient to disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215762194U (en) |
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2021
- 2021-06-17 CN CN202121351799.0U patent/CN215762194U/en active Active
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