CN216554319U - Oil well pump structure for reverse work of oil well - Google Patents
Oil well pump structure for reverse work of oil well Download PDFInfo
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- CN216554319U CN216554319U CN202120413130.3U CN202120413130U CN216554319U CN 216554319 U CN216554319 U CN 216554319U CN 202120413130 U CN202120413130 U CN 202120413130U CN 216554319 U CN216554319 U CN 216554319U
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Abstract
The utility model provides a be used for reverse doing work oil-well pump structure of oil well, is applicable to the oil pumping of oil field oil well and does work in reverse, has broken the oil pumping unit of oil well and has gone up stroke oil extraction, the oil absorption of down stroke traditional oil recovery mode, adopts this structure, can accomplish the process of going up stroke oil absorption, down stroke oil extraction. The oil well pumping unit is difficult to start, the structure utilizes dead weight to discharge oil, the energy consumption of the motor is saved, and the oil extraction cost is reduced. The method is characterized in that: the sucker rod joint 1 is connected with the movable plunger 2, the plunger 2 is provided with a plurality of oil outlets, a sealing spacer 4 and an oil-resistant sealing ring 5 are arranged between the plunger 2 and the pump barrel 6, and the plunger and the sealing spacer form a cavity. The upper end of the sealing spacer sleeve is provided with a fixed ventilation mechanism 3 to ensure the positioning of the plunger, prevent eccentric running-in, exhaust and the like, the lower end of the plunger 2 is connected with a piston 8, a liquid outlet valve assembly 7 is arranged on the piston 8, and a liquid inlet valve assembly 9 is arranged at the lower end of an oil pipe. The upper end and the lower end of the oil pipe are connected by a special joint, and the joint of the sucker rod is connected with the sucker rod.
Description
Technical Field
The utility model relates to an oil extraction reverse oil pumping mechanism of an oil well pumping unit of an oil field, which changes the structure of the traditional oil well pump, adopts reverse work, saves energy consumption and reduces cost.
Technical Field
In oil field oil extraction equipment, an oil well pump is very important oil extraction equipment. The oil extraction efficiency is directly influenced by the quality of the oil well pump. The oil pump is composed of a pump cylinder, a plunger and an inlet and outlet valve group. For the oil well pump, when the plunger moves upwards, the movable valve group is closed, the space below the plunger generates a negative pressure area, the fixed valve group is opened, liquid enters the negative pressure area, meanwhile, the upper half part of the plunger and the closed movable valve group form a closed cavity, and the oil is discharged out of the well within a specified stroke range.
The gravity of the sucker rod and the original liquid phase part in the well needs to be overcome for the oil pumping unit, when the oil pumping unit runs up and down, the opportunity of doing work by the down stroke energy is wasted, and the energy consumption required by the up stroke is increased. The reverse acting oil pump is adopted, so that the down stroke acting is realized, the weight of the liquid phase part of the up stroke is reduced, and the excellent effect of reducing the power consumption of the motor of the oil pumping unit is achieved.
Disclosure of Invention
The utility model provides a reverse acting oil well pump structure for an oil well, which changes the traditional oil well pump structure, adopts reverse acting, saves energy consumption and reduces cost.
The utility model relates to a reverse acting oil well pump structure for an oil well, which comprises a sucker rod joint, a plunger, a fixed ventilation mechanism, a sealing spacer sleeve, an oil-resistant sealing ring, a pump cylinder, a liquid outlet valve assembly, a piston and a liquid inlet valve assembly.
The plunger pump cylinder is a hollow sleeve, a plurality of liquid outlets are formed in the lower end of the plunger pump cylinder, the plunger is connected with the sucker rod joint in a locking mode, and the outer side of the plunger is coated with a wear-resistant material within a stroke range.
The lower end of the plunger is connected with a piston, the lower end of the piston is conical hollow, and the piston moves in the pump cylinder in a sealing manner; the conical hollow of the piston and the self sealing ring play a role of forced sealing.
The sealing spacer bush is fixedly connected with the pump barrel to prevent the liquid at the upper end of the pump body and the upper end of the oil pipe from being communicated, and is provided with a vent hole, an oil discharge hole, a spring and a binding device, and oil discharge and fixed ventilation are matched for use.
The fixed ventilation mechanism is matched with the sealing spacer bush for use, so that the fixed ventilation mechanism is closed during the upstroke and forms a cavity with the pump barrel, and liquid is convenient to store; the valve is opened in the down stroke, and the liquid phase is partially discharged into the cavity under the action of the plunger and the piston.
The upper end of the piston is connected with the plunger, the lower end of the piston is provided with a tapered hole, the outer side of the piston is sealed by an oil-resistant sealing ring, and when the piston works in the down stroke, the tapered hole plays a role in tensioning under the action of pressure, so that the sealing performance is improved.
The lower end of the plunger is connected with a piston, the lower end of the piston is conical hollow, the upper end of the plunger is provided with a sucker rod joint, and the piston and the pump cylinder move in a sealing and relative manner; when the piston is in the upper stroke, the liquid inlet valve is opened to feed liquid, when the piston is in the lower stroke, the liquid inlet valve is closed, meanwhile, the liquid phase part is pressed into the pump body and the cavity of the pump barrel through the pressure of the piston, and the liquid phase pushes the liquid outlet valve open and then enters the oil pipe.
The fixed ventilation mechanism and the pump barrel are locked by threads, 8 springs and 8 steel balls are arranged in the fixed ventilation mechanism, the pump barrel is ventilated and discharged, meanwhile, the liquid phase part in the oil pipe is prevented from being interconnected with the pump body, and the liquid inlet is ensured to be sufficient by utilizing the space of the pump body.
This reverse oil-well pump sets up the piston, can be according to oil pipe diameter, design different diameter specifications, is lower extreme toper hollow structure moreover, the plunger specification with correspond, piston area and annular cavity area ratio are greater than 1.5 times, guarantee oil-well pump oil extraction effect.
The utility model changes the traditional oil well pump structure, adopts reverse work, saves energy consumption and reduces cost.
Drawings
Fig. 1 is a schematic diagram of a reverse acting oil well pump.
The main structure name of the oil-well pump with reverse work in figure 1 is as follows: the oil pumping rod joint 1, the plunger 2, the fixed ventilation mechanism 3, the sealing spacer 4, the oil-proof sealing ring 5, the pump cylinder 6, the liquid outlet valve assembly 7, the piston 8 and the liquid inlet valve assembly 9.
Detailed Description
The utility model is further illustrated with reference to fig. 1: in the figure of the utility model, a pump cylinder 6 is different according to different specifications of a well head, the diameters of the related pump cylinders and upper and lower connecting joints are also different, and the pump cylinder is connected with an oil pipe through a connecting joint and then connected with underground accessory equipment; the upper end of the plunger 2 is connected with the sucker rod joint 1, and the lower end is connected with the piston 8; the lower end of the piston 8 is of a conical hollow structure, the upper end of the piston is connected with the plunger 2, and the liquid outlet valve assembly 3 is connected with the cylinder 6 and is indirectly connected with an oil pipe; the upper end of the pump barrel 6 is provided with a sealing spacer bush 4, and the sealing spacer bush 4 and the pump barrel 6 are sealed by an oil-resistant sealing ring 5 and move relatively; the circumference of the sealing spacer 4 is provided with 8 vent holes and oil drain holes, the upper end of the sealing spacer is blocked by a steel ball, a spring and a gland, and the structure is generally called as a fixed ventilation mechanism 3; when the plunger 2 and the piston 8 move upwards, the liquid inlet valve assembly 9 is opened, and the liquid phase part enters the negative pressure cavity to finish the oil absorption process; when the sucker rod, the plunger 2 and the piston 8 move downwards, the liquid inlet valve assembly 9 is closed, the liquid outlet valve assembly 7 is opened, the liquid phase part is pressed into the cylinder body 6 by the piston 8 and the plunger 2 and then is discharged into an oil pipe and is discharged out of a wellhead.
Claims (6)
1. A structure of an oil well pump for reverse work of an oil well comprises a sucker rod joint (1), a plunger (2), a fixed ventilation mechanism (3), a sealing spacer sleeve (4), an oil-resistant sealing ring (5), a pump barrel (6), a liquid outlet valve assembly (7), a piston (8) and a liquid inlet valve assembly (9), and is characterized in that the pump barrel (6) of the plunger pump adopts a hollow barrel, the circumferential part of the lower end of the plunger pump is provided with a plurality of liquid outlets, the lower end of the plunger (2) is connected with the piston (8), the lower end of the piston (8) is conical hollow, the sucker rod joint (1) is arranged at the upper end of the plunger (2), the piston (8) and the pump barrel (6) are sealed and relatively moved, the fixed ventilation mechanism (3) and the pump barrel (6) are locked by screw threads, 8 springs and steel balls are arranged in the fixed ventilation mechanism (3), the liquid outlet valve assembly (7) is connected with the pump barrel (6), the sealing spacer sleeve (4) is arranged on the pump barrel (6), the sealing spacer bush (4) and the pump barrel (6) are sealed by an oil-proof sealing ring (5) and move relatively, 8 vent holes and oil discharge holes are formed in the circumference of the sealing spacer bush (4), and the upper end of the sealing spacer bush is blocked by a steel ball and a gland.
2. The structure of claim 1, wherein the pump is configured to apply work in the reverse direction: the plunger pump barrel (6) is a hollow sleeve, a plurality of liquid outlets are formed in the lower end of the plunger pump barrel, the plunger (2) is connected with the sucker rod joint (1) in a locking mode, the outer side of the plunger (2) is in a stroke range, and wear-resistant materials are plated on the surface of the plunger pump barrel.
3. The structure of claim 1, wherein the pump is configured to apply work in the reverse direction: the lower end of the plunger (2) is connected with a piston (8), the lower end of the piston (8) is conical and hollow, and the piston (8) moves in a sealing way in the pump cylinder (6); the conical hollow of the piston (8) and the self sealing ring play a role of forced sealing.
4. The structure of claim 1, wherein the pump is configured to apply work in the reverse direction: the sealing spacer sleeve (4) is fixedly connected with the pump barrel (6) to prevent the liquid at the upper end of the pump body and the oil pipe from being communicated, and the sealing spacer sleeve (4) is provided with a vent hole, an oil discharge hole, a spring and a binding device for matching oil discharge and fixed ventilation.
5. The structure of claim 1, wherein the pump is configured to apply work in the reverse direction: the fixed ventilation mechanism (3) is matched with the sealing spacer bush (4) for use, so that the sealing spacer bush is closed during the upstroke, and forms a cavity with the pump cylinder (6) to facilitate the storage of liquid; the valve is opened in the down stroke, and the liquid phase part is discharged into the cavity under the action of the plunger (2) and the piston (8).
6. The structure of claim 1, wherein the pump is configured to apply work in the reverse direction: the upper end of the piston (8) is connected with the plunger (2), the lower end of the piston (8) is provided with a conical hole, the outer side oil-resistant sealing ring (5) is sealed, and when the piston works on the downstroke, the conical hole plays a role in tensioning under the action of pressure, so that the sealing performance is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120413130.3U CN216554319U (en) | 2021-02-25 | 2021-02-25 | Oil well pump structure for reverse work of oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120413130.3U CN216554319U (en) | 2021-02-25 | 2021-02-25 | Oil well pump structure for reverse work of oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216554319U true CN216554319U (en) | 2022-05-17 |
Family
ID=81536302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120413130.3U Active CN216554319U (en) | 2021-02-25 | 2021-02-25 | Oil well pump structure for reverse work of oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216554319U (en) |
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2021
- 2021-02-25 CN CN202120413130.3U patent/CN216554319U/en active Active
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