CN203847359U - Oil well pump and oil extraction system of submersible linear motor shaft - Google Patents
Oil well pump and oil extraction system of submersible linear motor shaft Download PDFInfo
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- CN203847359U CN203847359U CN201420169401.5U CN201420169401U CN203847359U CN 203847359 U CN203847359 U CN 203847359U CN 201420169401 U CN201420169401 U CN 201420169401U CN 203847359 U CN203847359 U CN 203847359U
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- oil
- pump
- oil well
- well pump
- drive unit
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Abstract
The embodiment of the utility model provides an oil well pump and an oil extraction system of a submersible linear motor shaft. The oil well pump comprises a pump cylinder, a plunger piston arranged on the inner side of the pump cylinder, a connection tripping device, a drive device, a movable valve, a fixed valve, a delivery connection and a sucker rod, wherein one end, where a clamping head is arranged, of the connection tripping device is clamped with or tripped out of the drive device of the oil well pump while the other end thereof is connected with the bottom end of the plunger piston; the drive device drives the plunger piston to do reciprocating motion for oil extraction through the connection tripping device; the movable valve is arranged on the upper part of the inner cavity of the plunger piston; the fixed valve is arranged at the top end of the plunger piston and in the inner cavity of the pump cylinder; the delivery connection is connected with the top end of the pump cylinder through a sealed locking device; the outer side of one end of the sucker rod is in screwed connection with the delivery connection; the sucker rod is used for providing an outer force for clamping connection or tripping of the one end where the clamping head is arranged and the drive device of the oil well pump. According to the embodiment of the utility model, the oil well pump is no longer directly and fixedly connected with the drive device, clamping connection or tripping of the oil well pump and the drive device at any time is realized through the connection tripping device, and pump inspection is enabled to be easier and more convenient.
Description
Technical field
The utility model relates to technical field of petroleum extraction, particularly the oil production system of a kind of oil well pump and oil immersion line motor well.
Background technique
At present, oil immersion line motor oil well pump, has mainly solved sucker rod that hole deviation causes and the problem of oil pipe eccentric wear, and next has the advantage such as energy-saving and environmental protection and intelligent menagement.
Oil immersion line motor oil well pump is mainly made up of oil immersion line motor system and the large system of oil well pump system two.Oil immersion line motor system directly changes electric energy into linear reciprocating motion, and shaft bottom liquid is given rise to well head by oil well pump system.In oil immersion line motor oil well pump, the mover push rod of oil immersion line motor system is directly connected with the plunger of oil well pump system, the stator of oil immersion line motor system is connected with the pump barrel of oil well pump system, be oil immersion line motor with oil well pump after ground is connected, use oil pipe G.I.H, what specifically, the type oil well pump technology adopted is tubing pump technology.
But the shortcoming of this oil immersion line motor oil well pump is exactly pump detection and workover difficulty.Oil well pump is a rapid wear system, life-span is short, when after operation a period of time, because wearing and tearing leakage, function reduction need to propose ground and overhaul, in inspection pump, for oil well pump is proposed to ground, oil pipe, oil immersion line motor and cable need to be proposed, expend man-hour, manpower, equipment, delay production.
Model utility content
The utility model embodiment provides the oil production system of a kind of oil well pump and oil immersion line motor well, has solved the technical problem of oil immersion line motor oil well pump pump detection and workover difficulty in prior art.
The utility model embodiment provides a kind of oil well pump, and this oil well pump comprises: pump barrel; Plunger, is arranged on described pump barrel inner side; Connecting-and-unconnecting device, described connecting-and-unconnecting device is provided with one end of dop and drive unit clamping or the disengagement of described oil well pump, the other end is connected with the bottom of described plunger, wherein, the power push-rod of described drive unit is along the axially reciprocating of described power push-rod, and drive unit is for driving described plunger to move reciprocatingly by described connecting-and-unconnecting device; Travelling valve, is arranged on the top of the inner chamber of described plunger; Standing valve, is arranged in the inner chamber of described plunger top, described pump barrel; Delivery connection, is connected with the top of described pump barrel by sealing-locking device; Sucker rod, the outside of described sucker rod one end and the inner side screwed connection of described delivery connection, sucker rod is provided with one end of dop and the drive unit clamping of described oil well pump or the external force of disengagement for providing by described connecting-and-unconnecting device.
In one embodiment, described connecting-and-unconnecting device is circlip type.
In one embodiment, described connecting-and-unconnecting device is stuck ball type.
In one embodiment, described sucker rod is electric heating rod.
In one embodiment, also comprise: positioning joint, is connected to the bottom of described pump barrel, for preventing that described plunger from deviating from described pump barrel.
In one embodiment, the external diameter of described pump barrel is less than the internal diameter of oil pipe.
The utility model embodiment also provides a kind of oil production system of oil immersion line motor well, and this system comprises: the oil well pump described in above-mentioned any one and drive unit.
In one embodiment, described drive unit is oil immersion line motor, described connecting-and-unconnecting device is provided with one end clamping or the disengagement of one end of dop and the power push-rod of oil immersion line motor, the other end of the power push-rod of described oil immersion line motor is connected with the mover of described oil immersion line motor, and described oil immersion line motor is for driving described plunger to move reciprocatingly by described connecting-and-unconnecting device.
In the utility model embodiment, oil well pump comprises pump barrel, and plunger is arranged on described pump barrel inner side, travelling valve, is arranged on the top of the inner chamber of described plunger, standing valve, is arranged in the inner chamber of described plunger top, described pump barrel, delivery connection, is connected with the top of described pump barrel by sealing-locking device, connecting-and-unconnecting device, described connecting-and-unconnecting device is provided with one end of dop and drive unit clamping or the disengagement of described oil well pump, the other end is connected with the bottom of described plunger, wherein, the power push-rod of described drive unit is along the axially reciprocating of described power push-rod, drive unit is for driving described plunger to move reciprocatingly to pump by described connecting-and-unconnecting device, sucker rod, the outside of described sucker rod one end and the inner side screwed connection of described delivery connection, sucker rod is provided with one end of dop and the drive unit clamping of described oil well pump or the external force of disengagement for providing by described connecting-and-unconnecting device.Having realized oil well pump is no longer directly fixedly connected with drive unit, can realize by connecting-and-unconnecting device clamping at any time or the disengagement of oil well pump and drive unit, in the time of inspection pump, only oil well pump need be proposed to ground, avoid oil pipe, drive unit and cable to propose ground, thereby made pump detection and workover easier, convenient.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the sectional drawing of a kind of oil well pump of providing of the utility model embodiment;
Fig. 2 is a kind of oil well pump of providing of the utility model embodiment and the sectional drawing of oil immersion line motor clamping;
Fig. 3 is the flow chart of the method for work of the oil production system of a kind of oil immersion line motor well of providing of the utility model embodiment.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with mode of execution and accompanying drawing, the utility model is described in further details.At this, exemplary embodiment of the present utility model and explanation thereof are used for explaining the utility model, but not as to restriction of the present utility model.
In the utility model embodiment, a kind of oil well pump is provided, as shown in Figure 1, this oil well pump comprises:
Pump barrel 10;
Plunger 6, is arranged on described pump barrel 10 inner sides;
Travelling valve, comprises travelling valve ball 9 and travelling valve seat 8, is arranged on the top of the inner chamber of described plunger 6;
Standing valve, determines valve ball 12 and standing valve seat 11, is arranged in the inner chamber of described plunger 6 tops, described pump barrel 10;
Delivery connection 14, is connected with the top of described pump barrel 10 by sealing-locking device 13;
Connecting-and-unconnecting device 7, described connecting-and-unconnecting device 7 is provided with one end of dop and drive unit clamping or the disengagement of described oil well pump, the other end is connected with the bottom of described plunger, wherein, the power push-rod of described drive unit is along the axially reciprocating of described power push-rod, and drive unit is for driving described plunger 6 to move reciprocatingly by described connecting-and-unconnecting device 7;
Sucker rod 15, the outside of described sucker rod 15 one end and the inner side screwed connection of described delivery connection 14, described sucker rod 15 is provided with one end of dop and the drive unit clamping of described oil well pump or the external force of disengagement for providing by described connecting-and-unconnecting device 7.
As shown in Figure 1, in the utility model embodiment, oil well pump comprises pump barrel, and plunger is arranged on described pump barrel inner side, travelling valve, is arranged on the top of the inner chamber of described plunger, standing valve, is arranged in the inner chamber of described plunger top, described pump barrel, delivery connection, is connected with the top of described pump barrel by sealing-locking device, connecting-and-unconnecting device, described connecting-and-unconnecting device (is for example provided with one end of dop and the drive unit of described oil well pump, oil immersion line motor) clamping or disengagement, the other end is connected with the bottom of described plunger, wherein, the power push-rod of described drive unit is along the axially reciprocating of described power push-rod, described drive unit is for driving described plunger to move reciprocatingly to pump by described connecting-and-unconnecting device, sucker rod, the outside of described sucker rod one end and the inner side screwed connection of described delivery connection, sucker rod is provided with one end of dop and the drive unit clamping of described oil well pump or the external force of disengagement for providing by described connecting-and-unconnecting device.Having realized oil well pump is no longer directly fixedly connected with drive unit, can realize by connecting-and-unconnecting device clamping at any time or the disengagement of oil well pump and drive unit, in the time of inspection pump, only oil well pump need be proposed to ground, avoid oil pipe, drive unit and cable to propose ground, reach motionless oil pipe and just can carry out the object of oil well pump maintenance, thereby made pump detection and workover easier, convenient.
In order to realize absorption, the lifting function of oil well pump to crude oil, as shown in Figure 1, in the inner chamber of described plunger top, described pump barrel, be provided with standing valve, this standing valve comprises standing valve ball 12 and standing valve seat 11; Top at the inner chamber of described plunger 6 is provided with travelling valve, and this travelling valve comprises travelling valve ball 9 and travelling valve seat 8.When plunger 6 is up, travelling valve is closed, and pump barrel 10 inner plunger 6 top fluid pressures increase, and under High Pressure, liquid backs down standing valve, in pump barrel 10, enters in oil pipe 17; When plunger 6 is descending, standing valve is closed, and pump barrel 10 inner plunger 6 top fluid pressures reduce, and under differential pressure action, liquid backs down travelling valve, enters in pump barrel 10 from oil pipe 17.
When concrete enforcement, above-mentioned connecting-and-unconnecting device 7 can be circlip type or stuck ball type.If connecting-and-unconnecting device 7 is circlip types, the jump ring of connecting-and-unconnecting device 7 is connected with the bottom of plunger 6, and drive unit clamping or the disengagement of the dop of connecting-and-unconnecting device 7 and oil well pump realize clamping or the disengagement of oil well pump and drive unit.If connecting-and-unconnecting device 7 is stuck ball types, the snap ring of connecting-and-unconnecting device 7 is connected with the bottom of plunger 6, and drive unit clamping or the disengagement of the dop of connecting-and-unconnecting device 7 and oil well pump realize clamping or the disengagement of oil well pump and drive unit.
When concrete enforcement, for can be easily by oil well pump G.I.H, or propose ground, provide described connecting-and-unconnecting device is provided with to one end of dop and the drive unit clamping of described oil well pump or the external force of disengagement by described sucker rod 15.For example, when concrete enforcement, first oil immersion line motor is hung to position with oil pipe G.I.H pump, then with sucker rod 15, oil well pump is passed through to oil pipe passage G.I.H, the power push-rod clamping of the dop of connecting-and-unconnecting device and oil immersion line motor, realizing oil immersion line motor drives plunger 6 to move reciprocatingly by connecting-and-unconnecting device 7 to pump, in the time that needs are examined pump, by upwards lifting sucker rod 15, oil well pump is proposed to ground, in the time upwards carrying sucker rod 15, sucker rod 15 drives pump barrel, plunger moves upward, rely on the dop of pulling force connecting-and-unconnecting device and the power push-rod of oil immersion line motor upwards to throw off, realizing oil well pump separates with oil immersion line motor.
In order to meet different application demand, above-mentioned sucker rod 15 can be electric heating rod.
When concrete enforcement, as shown in Figure 1, in the outside of described pump barrel 10, described pump barrel 10 is provided with sealing-locking device 13 with the joint of described delivery connection 14, seals described pump barrel 10 and oil pipe 17.In the time upwards lifting sucker rod 15, sealing-locking device 13 also can release.
In order to prevent that described plunger 6 from deviating from described pump barrel 10, as shown in Figure 1, be connected with positioning joint 16 in the bottom of described pump barrel 10.
When concrete enforcement, the external diameter of described pump barrel 10 is less than the internal diameter of oil pipe 17.
When concrete enforcement, described drive unit is oil immersion line motor.
In the utility model embodiment, a kind of oil production system of oil immersion line motor well is also provided, as shown in Figure 2, this system comprises: above-mentioned oil well pump and drive unit described in arbitrary, concrete, described drive unit is oil immersion line motor, and connecting-and-unconnecting device 7 is provided with one end clamping or the disengagement of one end of dop and the power push-rod of oil immersion line motor 3; The other end of power push-rod 3 and the mover of described oil immersion line motor 2 of described oil immersion line motor are connected, and described oil immersion line motor is for driving described plunger 6 to move reciprocatingly to pump by described connecting-and-unconnecting device 7.
In the utility model embodiment, as shown in Figure 3, the method comprises the method for work of the oil production system of above-mentioned oil immersion line motor well:
Step 301: by described sucker rod by predeterminated position in described oil well pump lower going-into-well, by described oil pump plunger piston bottom connect connecting-and-unconnecting device and the power push-rod clamping of drive unit;
Step 302: start described drive unit, the power push-rod of described drive unit drives described plunger to move reciprocatingly to pump by described connecting-and-unconnecting device.
While specifically carrying out pump detection and workover, in the utility model embodiment, also comprise: lift described sucker rod, the connecting-and-unconnecting device that described oil pump plunger piston bottom is connected and the power push-rod of drive unit are thrown off; Lift described sucker rod, described oil well pump is proposed to ground and carry out pump detection and workover.
In the utility model embodiment, oil well pump is the two-part that separate with drive unit, directly be not fixedly connected with, oil well pump and oil immersion line motor are realized clamping or disengagement at any time by connecting-and-unconnecting device 7, in the time of described oil well pump G.I.H, the dop of connecting-and-unconnecting device and drive unit are (for example, oil immersion line motor) one end clamping of power push-rod, realize linking of oil well pump and drive unit, oil immersion line motor drives the plunger 6 of oil well pump to move reciprocatingly by connecting-and-unconnecting device 7, realizes absorption and the lifting of crude oil; In the time of inspection pump, described oil well pump is proposed to ground, throw off one end of the dop of connecting-and-unconnecting device and the power push-rod of described drive unit, realize separating of oil well pump and drive unit, avoid oil pipe, oil immersion line motor and cable to propose ground, make pump detection and workover easier, convenient, also for the lifting technology application of oil immersion line motor well provides good technical support.
When concrete enforcement, as shown in Figure 2, the upper end of the stator 1 of oil immersion line motor is connected with the screen casing 5 of oil pipe 17, and the lower end of mover push rod 3 is provided with Sealing 4, sealing mover push rod 3 and stator 1.
When concrete enforcement, by following steps by oil immersion line motor G.I.H:
1) original pit shaft production tube is proposed to pit shaft, drifting, sand washing, well-flushing, keep pit shaft clean.
2) be lowered to tail pipe.
3) be lowered to oil-submersible motor and cable.At well head, tail pipe is connected with the stator 1 of oil immersion line motor.
4) at well head, the stator of oil immersion line motor 1 is connected with screen casing 5, is lowered to screen casing 5.
5) by oil pipe, pump predetermined oil immersion line motor G.I.H is hung to position.
6) boll-weevil hanger is installed.
By following steps by oil well pump G.I.H:
1) with sucker rod 15, oil well pump is lowered into precalculated position in well, sucker rod 15 need not propose.
2) well head is installed.
3) start oil immersion line motor, on the mover 2 of oil immersion line motor, move, mover push rod 3 clampings of connecting-and-unconnecting device 7 and oil immersion line motor.
4) go into operation.
By following steps, oil well pump is proposed to ground:
1) carry sucker rod 15, sealing-locking device 13 deblockings.
2) start oil immersion line motor, the mover 2 of controlling oil immersion line motor moves downwards, and connecting-and-unconnecting device 7 departs from mover push rod 3.
3) on, carry sucker rod 15, oil well pump is proposed to well head, closing well overhauls.
In the utility model embodiment, oil well pump comprises pump barrel, and plunger is arranged on described pump barrel inner side; Travelling valve, is arranged on the top of the inner chamber of described plunger; Standing valve, is arranged in the inner chamber of described plunger top, described pump barrel; Delivery connection, is connected with the top of described pump barrel by sealing-locking device; Connecting-and-unconnecting device, described connecting-and-unconnecting device is provided with one end of dop and drive unit clamping or the disengagement of described oil well pump, the other end is connected with the bottom of described plunger, wherein, the power push-rod of described drive unit is along described power push-rod axially reciprocating, drive unit is for driving described plunger to move reciprocatingly to pump by described connecting-and-unconnecting device, sucker rod, the outside of described sucker rod one end and the inner side screwed connection of described delivery connection, sucker rod is provided with one end of dop and the drive unit clamping of described oil well pump or the external force of disengagement for providing by described connecting-and-unconnecting device.Having realized oil well pump is no longer directly fixedly connected with drive unit, can realize by connecting-and-unconnecting device clamping at any time or the disengagement of oil well pump and drive unit, in the time of inspection pump, only oil well pump need be proposed to ground, avoid oil pipe, drive unit and cable to propose ground, thereby made pump detection and workover easier, convenient.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model embodiment can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. an oil well pump, is characterized in that, comprising:
Pump barrel;
Plunger, is arranged on described pump barrel inner side;
Connecting-and-unconnecting device, described connecting-and-unconnecting device is provided with one end of dop and drive unit clamping or the disengagement of described oil well pump, the other end is connected with the bottom of described plunger, wherein, the power push-rod of described drive unit is along the axially reciprocating of described power push-rod, and drive unit is for driving described plunger to move reciprocatingly by described connecting-and-unconnecting device;
Travelling valve, is arranged on the top of the inner chamber of described plunger;
Standing valve, is arranged in the inner chamber of described plunger top, described pump barrel;
Delivery connection, is connected with the top of described pump barrel by sealing-locking device;
Sucker rod, the outside of described sucker rod one end and the inner side screwed connection of described delivery connection, described sucker rod is provided with one end of dop and the drive unit clamping of described oil well pump or the external force of disengagement for providing by described connecting-and-unconnecting device.
2. oil well pump as claimed in claim 1, is characterized in that, described connecting-and-unconnecting device is circlip type.
3. oil well pump as claimed in claim 1, is characterized in that, described connecting-and-unconnecting device is stuck ball type.
4. oil well pump as claimed in claim 1, is characterized in that, described sucker rod is electric heating rod.
5. oil well pump as described in any one in claim 1 to 4, is characterized in that, also comprises:
Positioning joint, is connected to the bottom of described pump barrel, for preventing that described plunger from deviating from described pump barrel.
6. oil well pump as described in any one in claim 1 to 4, is characterized in that, the external diameter of described pump barrel is less than the internal diameter of oil pipe.
7. an oil production system for oil immersion line motor well, is characterized in that, comprising:
Oil well pump in claim 1 to 6 described in any one and drive unit.
8. the oil production system of oil immersion line motor well as claimed in claim 7, it is characterized in that, described drive unit is oil immersion line motor, described connecting-and-unconnecting device is provided with one end clamping or the disengagement of one end of dop and the power push-rod of oil immersion line motor, the other end of the power push-rod of described oil immersion line motor is connected with the mover of described oil immersion line motor, and described oil immersion line motor is for driving described plunger to move reciprocatingly by described connecting-and-unconnecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169401.5U CN203847359U (en) | 2014-04-09 | 2014-04-09 | Oil well pump and oil extraction system of submersible linear motor shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420169401.5U CN203847359U (en) | 2014-04-09 | 2014-04-09 | Oil well pump and oil extraction system of submersible linear motor shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847359U true CN203847359U (en) | 2014-09-24 |
Family
ID=51560384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420169401.5U Expired - Fee Related CN203847359U (en) | 2014-04-09 | 2014-04-09 | Oil well pump and oil extraction system of submersible linear motor shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361182A (en) * | 2018-01-08 | 2018-08-03 | 诸暨市超前泵业科技有限公司 | Underground reciprocating formula rodless pump |
| CN110107488A (en) * | 2019-06-14 | 2019-08-09 | 中国石化集团胜利石油管理局有限公司电力分公司 | A kind of oil rig of submersible motor driving |
-
2014
- 2014-04-09 CN CN201420169401.5U patent/CN203847359U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361182A (en) * | 2018-01-08 | 2018-08-03 | 诸暨市超前泵业科技有限公司 | Underground reciprocating formula rodless pump |
| CN108361182B (en) * | 2018-01-08 | 2023-08-15 | 诸暨市超前泵业科技有限公司 | Reciprocating rodless oil pump in pit |
| CN110107488A (en) * | 2019-06-14 | 2019-08-09 | 中国石化集团胜利石油管理局有限公司电力分公司 | A kind of oil rig of submersible motor driving |
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| 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: 20140924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |