CN2779108Y - Solid plunger rod type oil-well pump - Google Patents
Solid plunger rod type oil-well pump Download PDFInfo
- Publication number
- CN2779108Y CN2779108Y CN 200520012245 CN200520012245U CN2779108Y CN 2779108 Y CN2779108 Y CN 2779108Y CN 200520012245 CN200520012245 CN 200520012245 CN 200520012245 U CN200520012245 U CN 200520012245U CN 2779108 Y CN2779108 Y CN 2779108Y
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- CN
- China
- Prior art keywords
- oil
- plunger
- solid
- valve
- solid plunger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a solid plunger rod type oil-well pump for extracting oil in an oil field. The utility model is composed of a pump cylinder, a solid plunger, an oil pipe, an extension pipe, a connecting pipe, a joint, an oil outlet valve, an oil inlet valve, a sealed fixing device and a sealed fixing base. When a pumping rod drives the solid plunger to move upwards, the volume of a cavity on the lower part of the solid plunger is enlarged, the inner pressure declines, the oil inlet valve is open, and crude oil in the well enters the cavity on the lower part of the solid plunger. When the pumping rod drives the solid plunger to move downwards, the volume of the cavity on the lower part of the solid plunger is reduced, the inner pressure rises, the oil inlet valve is closed, and the crude oil in the cavity opens the oil outlet valve to be expelled to the annular space of the oil outlet valve and the connecting pipe. Then the crude oil is expelled to the ground. The plunger of the solid plunger rod type oil-well pump is solid, so the crude oil never flows into the plunger, and the flow passage of the crude oil is changed. The plunger is not provided with the oil outlet valve, so the diameter of a valve ball can not be influenced by the diameter of the pump. The diameter of the valve ball can be enlarged, and the quality of the valve ball is increased, so the valve ball works agilely, and the rod type oil-well pump works reliably.
Description
One, technical field
The utility model is the solid post stopper rod formula oil well pump that a kind of oil field machinery oil is used.
Two, background technique
The pump barrel of rod-type pumping unit and oiling valve can be lowered to or be proposed by sucker rod, therefore, the well of following rod-type pumping unit is when operation inspection pump, only need to propose the purpose that whole sucker rods just can be realized the inspection pump, do not need to propose oil pipe, the work operations amount is few, and the darker oil well of following pump more can embody its superiority, but the darker oil well of following pump generally all is the very low oil well of oil output, under oil well pump also less, in existing rod-type pumping unit, all be that outlet valve is installed on plunger, fluid passes through from plunger, when the oil well pump diameter hour, be subjected to size restrictions, valve ball, runner is less, valve ball can be malfunctioning, causes air pump inoperative.
Three, summary of the invention
The purpose of this utility model is a kind of solid post stopper rod formula oil well pump of design, makes its valve ball diameter not be subjected to the oil well pump diameter restrictions by changing runner, can increase the valve ball diameter, improves the reliability of rod-type pumping unit.
The purpose of this utility model is achieved in that it is made up of pump barrel, solid plunger, oil pipe, extension pipe, connecting tube, joint, outlet valve, oiling valve, sealed fixing device, sealing and fixing seat.Oil pipe, connecting tube, sealing and fixing seat connect from top to bottom successively, pump barrel, extension pipe, joint, outlet valve, oiling valve, sealed fixing device connect from top to bottom successively, sealed fixing device is installed in the sealing and fixing seat, solid plunger is in pump barrel, the extension pipe, and pump barrel, extension pipe are in the oil pipe.Solid plunger cooperates with pump barrel and seals.Oil pipe top connects oil pipe on the pump, and solid plunger upper part connects sucker rod.
Oil pipe, connecting tube, sealing and fixing seat are earlier with oil pipe G.I.H on the pump, pump barrel, extension pipe, joint, outlet valve, oiling valve, sealed fixing device are lowered in the oil pipe with sucker rod again, under the rod weight effect, sealed fixing device is pressed in the sealing and fixing seat, and oil well pump just can be worked.When sucker rod drive solid post was gone beyond the Great Wall, the cavity volume of solid plunger bottom increased, and the pressure in it descends, and oiling valve is opened, and the interior crude oil of well enters in the cavity of solid plunger bottom through the lateral access of oiling valve and outlet valve.Sucker rod drives solid plunger when descending, the cavity volume of solid plunger bottom reduces, pressure in it rises, oiling valve cuts out, crude oil in the cavity is upwards opened the annular space that outlet valve is expelled to outlet valve and connecting tube from the central passage of outlet valve downwards again through the lateral access of outlet valve, is discharged to ground then.
The beneficial effects of the utility model are: the plunger of solid post stopper rod formula oil well pump is solid, crude oil does not flow in plunger, changed runner, uneasiness takes on fuel tap on the plunger, make its valve ball diameter not be subjected to the pump diameter restrictions, can increase the valve ball diameter, the valve ball quality increases, thereby valve ball work is flexible, the rod-type pumping unit reliable operation.
Four, description of drawings
Accompanying drawing is a solid post stopper rod formula oil well pump embodiment erection drawing.
Five, embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described.
As shown in the figure, the 1st, pump barrel, the 2nd, solid plunger, the 3rd, oil pipe, the 4th, extension pipe, the 5th, connecting tube, the 6th, joint, the 7th, outlet valve, the 8th, oiling valve, the 9th, sealed fixing device, the 10th, sealing and fixing seat.Be that the utility model is made up of pump barrel 1, solid plunger 2, oil pipe 3, extension pipe 4, connecting tube 5, joint 6, outlet valve 7, oiling valve 8, sealed fixing device 9, sealing and fixing seat 10.Oil pipe 3, connecting tube 5, sealing and fixing seat 10 connect from top to bottom successively, pump barrel 1, extension pipe 4, joint 6, outlet valve 7, oiling valve 8, sealed fixing device 9 connect from top to bottom successively, sealed fixing device 9 is installed in the sealing and fixing seat 10, solid plunger 2 is in pump barrel 1, the extension pipe 4, and pump barrel 1, extension pipe 4 are in the oil pipe 3.Solid plunger 2 cooperates with pump barrel 1 and seals.Oil pipe 3 tops connect oil pipe on the pump, and solid plunger 2 tops connect sucker rod.
Claims (1)
1, a kind of solid post stopper rod formula oil well pump, by pump barrel (1), solid plunger (2), oil pipe (3), extension pipe (4), connecting tube (5), joint (6), outlet valve (7), oiling valve (8), sealed fixing device (9), sealing and fixing seat (10) is formed, it is characterized in that: oil pipe (3), connecting tube (5), sealing and fixing seat (10) connects from top to bottom successively, pump barrel (1), extension pipe (4), joint (6), outlet valve (7), oiling valve (8), sealed fixing device (9) connects from top to bottom successively, sealed fixing device (9) is installed in the sealing and fixing seat (10), solid plunger (2) is in pump barrel (1), in the extension pipe (4), pump barrel (1), extension pipe (4) is in the oil pipe (3), and solid plunger (2) cooperates with pump barrel (1) and seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520012245 CN2779108Y (en) | 2005-03-30 | 2005-03-30 | Solid plunger rod type oil-well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520012245 CN2779108Y (en) | 2005-03-30 | 2005-03-30 | Solid plunger rod type oil-well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779108Y true CN2779108Y (en) | 2006-05-10 |
Family
ID=36753196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520012245 Expired - Fee Related CN2779108Y (en) | 2005-03-30 | 2005-03-30 | Solid plunger rod type oil-well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779108Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117449798A (en) * | 2023-12-22 | 2024-01-26 | 中国石油集团渤海钻探工程有限公司 | Injection and production gas well back-insertion sealing device and application method thereof |
-
2005
- 2005-03-30 CN CN 200520012245 patent/CN2779108Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117449798A (en) * | 2023-12-22 | 2024-01-26 | 中国石油集团渤海钻探工程有限公司 | Injection and production gas well back-insertion sealing device and application method thereof |
| CN117449798B (en) * | 2023-12-22 | 2024-02-23 | 中国石油集团渤海钻探工程有限公司 | Injection and production gas well back-insertion sealing device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060510 |