CN203175546U - Shear type screw pump pressure testing device - Google Patents
Shear type screw pump pressure testing device Download PDFInfo
- Publication number
- CN203175546U CN203175546U CN 201320039896 CN201320039896U CN203175546U CN 203175546 U CN203175546 U CN 203175546U CN 201320039896 CN201320039896 CN 201320039896 CN 201320039896 U CN201320039896 U CN 201320039896U CN 203175546 U CN203175546 U CN 203175546U
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- screw pump
- pressure testing
- testing device
- pump pressure
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Abstract
The utility model discloses a shear type screw pump pressure testing device. The shear type screw pump pressure testing device comprises a valve cover, a valve seat is arranged in the valve cover and fixed in the valve cover through shear pins, and a valve ball is arranged on the valve seat. By the adoption of the shear type screw pump pressure testing device, the problem of leakage of an oil pipe can be effectively solved in time, a rotor of a screw pump is smoothly arranged into a stator of the screw pump, and environmental pollution caused by top spraying operation is effectively avoided.
Description
Technical field
The utility model especially carries out the shearing screw pump pressure testing device that pressure testing detects relevant for being used in a kind of technical field of petroleum extraction to oil pipe relevant for a kind of screw pump pressure testing device.
Background technology
The screw pump oil production technology, have that system effectiveness height, energy consumption are low, the crude oil lifting steadily, advantages such as steady oil control water, sediment outflow, at present Gao Sheng oil recovery factory field popularization application 12 mouthfuls of wells, obtained effect preferably.But in actual applications because the screw pump oil production tubing string lacks corresponding pressure testing device, can not in time find oil pipe leakage problem, operation quality can not get guaranteeing, causes operation to do over again, and increases the oil well off-time, reduces oil well output, increases cost of production.
On-the-spot pressure testing mode commonly used is to install ball-and-seat additional in the screw pump bottom at present, can realize the pressure testing to tubing string, drain leaks problem, but in actual applications when the rotor of screw pump is lowered to stator, because ball-and-seat and rotor lower liquid can not in time be got rid of, rotor occurs and can not enter problem in the stator smoothly, and when the inspection pump since the check action of ball-and-seat can not finish oil pipe in the draining effect of crude oil, cause top spray operation that Jing Chang and surrounding environment are caused the certain environment pollution.
In addition, China Patent No. a kind of screw pump oil production tubing string pressure testing device that has been 03263839.6 patent disclosure, it can finish the draining effect to the pressure testing of screw pump oil production tubing string and oil pipe, but this apparatus structure complexity, complex operation, when using often owing to the shear pin motion, rotor is damaged, accelerate the wearing and tearing to rotor in the manufacturing process, shorten pump detection period.
Therefore, be necessary to provide a kind of novel screw pump pressure testing device, overcome above-mentioned defective.
The utility model content
The purpose of this utility model provides a kind of shearing screw pump pressure testing device, and it can get rid of oil pipe pipe leakage problem timely and effectively, and guarantees that the rotor of screw pump is lowered in the stator of screw pump smoothly, effectively avoids because of top spray operation pollution on the environment.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
The utility model provides a kind of shearing screw pump pressure testing device, and it comprises valve bonnet, is provided with valve seat in the described valve bonnet, and described valve seat is fixed in the described valve bonnet by shear pin, sits on the described valve seat and is provided with valve ball.
In preferred embodiment, between described valve bonnet and described valve seat, be provided with a plurality of sealing rings.
Characteristics and the advantage of shearing screw pump pressure testing device of the present utility model are: this shearing screw pump pressure testing device can be got rid of the oil pipe pipe timely and effectively and leak problem, and the rotor that guarantees screw pump is lowered in the stator of screw pump smoothly, effectively avoids because of top spray operation pollution on the environment.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view of shearing screw pump pressure testing device of the present utility model.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model provides a kind of shearing screw pump pressure testing device, and it comprises valve bonnet 1, is provided with valve seat 2 in the described valve bonnet 1, and described valve seat 2 is fixed in the described valve bonnet 1 by shear pin 3, sits on the described valve seat 2 and is provided with valve ball 4.
Specifically be, valve bonnet 1 is cylinder barrel shaped substantially, and it has through hole 11, valve seat 2 is fixedly connected in the through hole 11 of valve bonnet 1 by shear pin 3, in the utility model, between valve bonnet 1 and valve seat 2, be provided with a plurality of sealing rings 5, those sealing rings 5 are used for sealing valve bonnet 1 and valve seat 2.
The utility model is when the pressure testing operation of carrying out tubing string, the tubing string that at first valve bonnet 1 is connected progressive cavity pump bottom and be lowered in the oil well, throw valve ball 4 from well head afterwards, after treating that valve ball 4 seats are located on the valve seat 2, suppress in oil pipe, pressure is 20MPa, to detect in the oil pipe whether leak source is arranged, along with the increase shear pin 3 of pressure is cut off, valve ball 4 and valve seat 2 are fallen into the device of down-hole, thereby finish the pressure testing operation to the screw pump oil production tubing string.
Shearing screw pump pressure testing device of the present utility model, simple in structure, easy and simple to handle, can get rid of the problem that the screw rod pump line leaks timely and effectively, simultaneously can guarantee that also the rotor of screw pump can be lowered in the stator of screw pump smoothly, also realize the draining effect to oil pipe, avoided the pollution to environment.
The above only is several embodiment of the present utility model, and those skilled in the art can carry out various changes or modification to the utility model embodiment according to the disclosed content of application documents and not break away from spirit and scope of the present utility model.
Claims (2)
1. a shearing screw pump pressure testing device is characterized in that it comprises valve bonnet, is provided with valve seat in the described valve bonnet, and described valve seat is fixed in the described valve bonnet by shear pin, sits on the described valve seat and is provided with valve ball.
2. shearing screw pump pressure testing device as claimed in claim 1 is characterized in that, is provided with a plurality of sealing rings between described valve bonnet and described valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039896 CN203175546U (en) | 2013-01-24 | 2013-01-24 | Shear type screw pump pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039896 CN203175546U (en) | 2013-01-24 | 2013-01-24 | Shear type screw pump pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175546U true CN203175546U (en) | 2013-09-04 |
Family
ID=49072261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320039896 Expired - Fee Related CN203175546U (en) | 2013-01-24 | 2013-01-24 | Shear type screw pump pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827984A (en) * | 2019-04-19 | 2020-10-27 | 中国石油天然气股份有限公司 | Screw pump well abnormity detection device |
| CN113758687A (en) * | 2020-05-19 | 2021-12-07 | 中国石油天然气股份有限公司 | Pump pipe pressure testing device and method of screw pump |
-
2013
- 2013-01-24 CN CN 201320039896 patent/CN203175546U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827984A (en) * | 2019-04-19 | 2020-10-27 | 中国石油天然气股份有限公司 | Screw pump well abnormity detection device |
| CN113758687A (en) * | 2020-05-19 | 2021-12-07 | 中国石油天然气股份有限公司 | Pump pipe pressure testing device and method of screw pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20220124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |