CN217354697U - Sectional pressure testing device for tubular oil pump - Google Patents
Sectional pressure testing device for tubular oil pump Download PDFInfo
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- CN217354697U CN217354697U CN202123389346.XU CN202123389346U CN217354697U CN 217354697 U CN217354697 U CN 217354697U CN 202123389346 U CN202123389346 U CN 202123389346U CN 217354697 U CN217354697 U CN 217354697U
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Abstract
The utility model provides a tubing pump segmentation pressure test device, pipeline, oil-well pump barrel and oil-well pump plunger on the pump, characterized by: the pressure testing device on the pump is fixedly arranged between the pipeline on the pump and the oil well pump barrel, a pressure testing seat sealing ball is arranged on a valve seat in the pressure testing device on the pump, and the pressure testing seat sealing ball separates the pipeline between the pipeline on the pump and the oil well pump, so that the fault position is judged by pressurization. The valve seat inner hole can ensure that the plunger piston smoothly passes through, so the pump can be suitable for the integral cylinder pumps with various specifications, the application surface is wide, the conical guide surface can guide the plunger piston to pass through, the plunger piston and the valve seat are prevented from being damaged mutually due to collision, and the sealing surface is protected. The valve seat is made of a material with strong corrosion resistance and high hardness, so that the valve seat is prevented from being soaked in crude oil for a long time to cause corrosion failure, and also is prevented from causing collision damage failure caused by common falling objects, impurities and movement of the rod column in a well. The pressure test seat sealing ball is used for separating the oil path on the pump from the oil well pump, so that the workover treatment is more convenient and more targeted.
Description
Technical Field
The utility model relates to a field of oil-well pump, concretely relates to tubular oil-well pump segmentation pressure test device.
Background
The common pipe oil pump is the most common equipment in the crude oil rod oil production system, and is installed at the bottom of the oil pipeline, several kilometers away from the ground, and several hundreds of oil pipelines are under the bottom to form a totally-enclosed pipeline system. The whole pipeline bears multiple functions of crude oil liquid load, oil corrosion, grit impurity abrasion, motion load and the like underground. The pipeline sealing performance is reduced, the oil pumping efficiency is reduced, and even the oil is not out of order. When pipeline system broke down, need open the pump and overhauld, this operation engineering is numerous and diverse, for the convenience of finding out trouble position (pump oil pipe says and reveals or the oil-well pump reveals), designs pressure testing device on this pump, makes the operation of manhole more convenient, has more pointed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides tubular oil-well pump segmentation pressure test device solves the problem among the above-mentioned background art.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: including pipeline, oil-well pump barrel and oil-well pump plunger on the pump, characterized by: the pressure testing device on the pump is fixedly arranged between the pipeline on the pump and the oil well pump barrel, a pressure testing seat sealing ball is arranged on a valve seat in the pressure testing device on the pump, and the pressure testing seat sealing ball separates the pipeline between the pipeline on the pump and the oil well pump, so that the fault position is judged by pressurization.
In the preferred scheme, the two ends of the valve seat are provided with an upper coupling and a lower coupling, the end part of the upper coupling is in threaded connection with a pipeline on the pump, and the lower coupling is in threaded connection with a cylinder body of the oil well pump.
In the preferred scheme, the lower coupling is in threaded connection with the upper coupling, and the valve seat is fixed in the lower coupling through the upper coupling.
In the preferred scheme, be equipped with first toper guide surface in the lower coupling, be equipped with second toper guide surface in the upper coupling, first toper guide surface and second toper guide surface are used for guiding the oil-well pump plunger.
In the preferred scheme, when a pipeline fault system leaks, a pressure test seat seal ball is thrown into a well, so that the pressure test seat seal ball is abutted against a valve seat, a pipeline on a pump and a pipeline between an oil well pump cylinder and an oil well pump plunger are separated, after the pipeline is pressed again, if the leakage condition disappears, the oil well pump leaks, and otherwise, the pipeline on the pump leaks.
In the preferred scheme, the inner diameter of the valve seat is larger than the outer diameter of the oil well pump plunger, and the diameter of the pressure test seat sealing ball is larger than the inner diameter of the valve seat.
In the preferred scheme, the valve seat is made of a material with strong corrosion resistance and high hardness.
The utility model provides a tubing pump segmentation pressure test device, the disk seat hole can guarantee that the plunger passes through smoothly, consequently can be applicable to the whole section of thick bamboo pump of many specifications, and the applicable face is extensive, and the toper is led the face and can be guided the plunger and pass through, avoids plunger and disk seat because of the damage of each other of bumping, the sealed face of protection. The valve seat is made of a material with strong corrosion resistance and high hardness, so that corrosion failure caused by long-time soaking in crude oil is prevented, and common falling objects, impurities and collision damage failure caused by movement of the rod column in a well are also prevented. The pressure test seat sealing ball is used for separating the oil path on the pump from the oil well pump, so that the workover treatment is more convenient and more targeted.
Drawings
The invention will be further described with reference to the following drawings and examples:
FIG. 1 is an overall structure of the present invention;
FIG. 2 is a front sectional view of the pressure testing device on the pump of the present invention;
in the figure: a pump-on line 1; a pressure testing device 2 is arranged on the pump; an upper collar 201; a lower collar 202; a valve seat 203; a first tapered guide surface 204; a second tapered guide surface 205; a pressure testing seat sealing ball 3; a cylinder 4 of the oil well pump; and an oil pump plunger 5.
Detailed Description
Example 1
As shown in fig. 1-2, the device for testing the segment pressure of the tubing pump comprises a pump upper pipeline 1, an oil pump cylinder 4 and an oil pump plunger 5, and is characterized in that: the on-pump pressure testing device 2 is fixedly arranged between the on-pump pipeline 1 and the oil well pump barrel 4, a pressure testing seat sealing ball 3 is arranged on a valve seat 203 in the on-pump pressure testing device 2, and the pressure testing seat sealing ball 3 separates the pipeline between the on-pump pipeline 1 and the oil well pump, so that the fault position is judged by pressurization. From this structure, after the pipeline breaks down and leaks, can drop into the pipeline with pressure testing seat seal ball 3, pressure testing seat seal ball 3 supports and leans on sealed on disk seat 203 to separate pipeline 1 and oil-well pump on the pump, after continuing to pressurize, look over whether leak exists, if exist then leak the position and lie in pipeline 1 on the pump, if do not then leak the position and lie in the oil-well pump, thereby can be more for having corresponding overhauls the maintenance to leaking the position, improve maintenance repair efficiency greatly.
In the preferred scheme, valve seat 203 both ends are equipped with collar 201 and lower collar 202, and upper collar 201 tip and pump upper line 1 threaded connection, lower collar 202 and the threaded connection of oil-well pump barrel 4. With the structure, the threaded connection is simple and convenient to install and disassemble.
In a preferred scheme, the lower collar 202 is in threaded connection with the upper collar 201, and the valve seat 203 is fixed in the lower collar 202 through the upper collar 201. With the structure, the valve seat 203 is pressed between the lower collars 202 through the upper collars 201, and the installation and the disassembly are simple and convenient.
In a preferable scheme, a first tapered guide surface 204 is arranged in the lower coupling 202, a second tapered guide surface 205 is arranged in the upper coupling 201, and the first tapered guide surface 204 and the second tapered guide surface 205 are used for guiding the oil well pump plunger 5. With the structure, no matter the oil pump plunger 5 is placed down or lifted up along with the rod, the guiding function can be achieved, the oil pump plunger 5 and the valve seat 203 are prevented from being damaged mutually due to collision, and the sealing surface is protected.
In the preferred scheme, when a pipeline fault system leaks, the pressure test seat sealing ball 3 is thrown into a well, so that the pressure test seat sealing ball 3 abuts against the valve seat 203, the pipeline between the pipeline 1 on the pump and the oil well pump cylinder 4 and the oil well pump plunger 5 is separated, after the pipeline is pressed again, if the leakage condition disappears, the oil well pump leaks, otherwise, the pipeline 1 on the pump leaks.
In the preferred scheme, the internal diameter of valve seat 203 is greater than the external diameter of oil-well pump plunger 5, and the diameter of pressure testing seat ball 3 is greater than the internal diameter of valve seat 203. With the structure, the size of the inner hole of the valve seat 203 can reach phi 47mm, and the plungers of phi 32, phi 38 and phi 44 can smoothly pass through the valve seat, so that the valve seat can be commonly used in common whole-barrel pumps with the specifications of phi 32, phi 38 and phi 44, and has a wide application range.
In a preferred embodiment, the valve seat 203 is made of a material with high corrosion resistance and high hardness. By the structure, corrosion failure caused by long-time soaking in crude oil is prevented, and collision damage failure caused by common falling objects, impurities and movement of the rod column in a well is also prevented.
Example 2
As shown in FIGS. 1-2, the following description is further provided in conjunction with example 1: the upper coupling 201 is connected with the lower coupling 202, the valve seat 203 is tightly pressed, then the whole body is arranged on the upper portion of the oil well pump, the oil well pump is lowered to a fixed position in the well along with the oil well pump, and the upper portion of the pressure testing device 2 on the pump is connected with an oil pipe till the ground. The oil well pump starts to work normally under the well. When a ground working diagram shows that a pipeline has a fault and a system is suspected to be leaked, and the pipeline needs to be started for maintenance, the pressure testing device 2 on the pump is used for carrying out sectional pressure testing, and whether oil well pump equipment or an oil pipe 1 on the pump is leaked is judged.
Firstly, the plunger 5 of the oil well pump is lifted out of the ground along with the oil pumping rod, then the pressure testing seat sealing ball 3 is thrown into the well from the ground, the pressure testing seat sealing ball 3 slowly sinks in oil along an oil pipeline until the pressure testing seat sealing ball 3 is placed on a valve seat 203, the pipeline above the oil well pump is sealed at the moment, the oil well is pressed into the pipe at the well mouth, and if the working diagram shows that leakage still exists, the fault of the pipeline 1 on the pump can be judged; if the leakage condition disappears, the oil well pump equipment can be judged to be in fault. This allows updating for faulty sites.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and equivalents including technical features in the technical solutions described in the claims. I.e., equivalent alterations and modifications within the scope of the invention, are also intended to be covered by the scope of this invention.
Claims (6)
1. The sectional pressure testing device for the tubing pump comprises a pump upper pipeline (1), an oil pump cylinder (4) and an oil pump plunger (5), and is characterized in that: the pressure testing device (2) on the pump is fixedly arranged between the pipeline (1) on the pump and the oil well pump barrel (4), a pressure testing seat sealing ball (3) is arranged on a valve seat (203) in the pressure testing device (2) on the pump, and the pressure testing seat sealing ball (3) separates the pipeline between the pipeline (1) on the pump and the oil well pump, so that the fault position is judged by pressurization.
2. The tubing pump segment pressure testing device of claim 1, wherein: an upper coupling (201) and a lower coupling (202) are arranged at two ends of the valve seat (203), the end part of the upper coupling (201) is in threaded connection with the pump upper pipeline (1), and the lower coupling (202) is in threaded connection with the oil well pump barrel body (4).
3. The tubing pump segment pressure testing device of claim 2, wherein: the lower collar (202) is in threaded connection with the upper collar (201), and the valve seat (203) is fixed in the lower collar (202) through the upper collar (201).
4. The tubing pump segment pressure testing device of claim 3, wherein: a first conical guide surface (204) is arranged in the lower coupling (202), a second conical guide surface (205) is arranged in the upper coupling (201), and the first conical guide surface (204) and the second conical guide surface (205) are used for guiding the oil pump plunger (5).
5. The tubing pump segment pressure testing device of claim 1, wherein: the inner diameter of the valve seat (203) is larger than the outer diameter of the oil pump plunger (5), and the diameter of the pressure testing seat sealing ball (3) is larger than the inner diameter of the valve seat (203).
6. The tubing pump segment pressure testing device of claim 1, wherein: the valve seat (203) is made of a material having high corrosion resistance and high hardness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123389346.XU CN217354697U (en) | 2021-12-30 | 2021-12-30 | Sectional pressure testing device for tubular oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123389346.XU CN217354697U (en) | 2021-12-30 | 2021-12-30 | Sectional pressure testing device for tubular oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217354697U true CN217354697U (en) | 2022-09-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123389346.XU Active CN217354697U (en) | 2021-12-30 | 2021-12-30 | Sectional pressure testing device for tubular oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217354697U (en) |
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2021
- 2021-12-30 CN CN202123389346.XU patent/CN217354697U/en active Active
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