CN201078328Y - Differential type down-hole hydraulic oil well pump - Google Patents
Differential type down-hole hydraulic oil well pump Download PDFInfo
- Publication number
- CN201078328Y CN201078328Y CNU2007200000153U CN200720000015U CN201078328Y CN 201078328 Y CN201078328 Y CN 201078328Y CN U2007200000153 U CNU2007200000153 U CN U2007200000153U CN 200720000015 U CN200720000015 U CN 200720000015U CN 201078328 Y CN201078328 Y CN 201078328Y
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- kinetic pump
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Abstract
The utility model relates to the oil extraction technical field, providing a differential type underground hydraulic oil well pump for oil pumping of an oil field or an oil well. The utility model, which mainly comprises a flushing valve, a bridge type liquid route transducer, an upper power pump, a lower power pump, a connecting rod, a tie bar, a packer, an oil well pump and a standing valve, is characterized in that: a flushing valve, the lower end of which is provided with the bridge type liquid route transducer, is arranged on a oil string, and an oil pipe strap, under which the lower power pump is installed, is mounted under the upper power pump. The connecting rod is positioned between the plungers in the upper and lower power pumps. An oil pipe strap, under which the packer is arranged, is mounted at the lower end of the lower power pump. The oil well pipe is installed at the lower end of the packer, and the standing valve is positioned under the oil well pump. A tie bar is arranged between the lower end of the plunger in the lower power pump and a traveling valve on the oil well pump. For no pumping rod is used in the utility model, the eccentric friction problem of the oil well pump with the pumping rod, which is used in the inclined shaft pumping rod pipe, is thoroughly solved.
Description
Technical field
The utility model relates to a kind of differential type down-hole hydraulic defueling pump that is used for the oilfield oil pumping, belongs to oil exploration equipment.
Background technique
Conventional rod pumping pump is used for deflecting well oil withdrawal ubiquity rod and tube partial-wear problem, and rod and tube partial-wear can bring following problem to oil well production: 1 has increased ground beam pumping unit working load, causes a large amount of power consumptions; The working environment of 2 sucker rods further worsens, and the rod parting accident increases; 3 oil pipes wearing and tearing aggravation, the life-span reduces greatly; 4 pump detection periods shorten, and workload strengthens; 5 have increased the oil extraction cost, have reduced the competitive capacity on the international market.For solving the rod and tube partial-wear problem, the roller type centralizer is generally taked to increase in the oil field in sucker rod, the change sliding friction is rolling friction, or at well head increase tubing spinner, sucker rod is evenly rubbed along tube inner wall, although above measure has alleviated wearing and tearing to a certain extent, can not fundamentally solve the eccentric wear problem between the rod tube.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology and a kind of differential type down-hole hydraulic defueling pump that does not adopt sucker rod and adopt fluid power to drive is provided.
The utility model is achieved in that a kind of differential type down-hole hydraulic defueling pump that is used for the oilfield oil pumping, it is mainly by flushing valve 1, bridge-type liquid road transducer 2, last kinetic pump 3, connecting rod 4, oil pipe short circuit 5, following kinetic pump 6, pull bar 7, oil pipe short circuit 8, packet 9, oil well pump 10 and standing valve 11 are formed, it is characterized in that on tubing string 12, being provided with a flushing valve 1, the flushing valve lower end is provided with a bridge-type liquid road transducer 2, transducer lower end, bridge-type liquid road is provided with kinetic pump 3 on, one oil pipe short circuit 5 is set below the last kinetic pump, kinetic pump 6 once is set below the oil pipe short circuit, at kinetic pump 3 up and down, plunger 26 in 6, one connecting rod 4 is set between 32, in following kinetic pump urceolus lower union joint 41 lower ends one oil pipe short circuit 8 is set, below the oil pipe short circuit, be provided with packet 9, one oil well pump 10 is set in the packet lower end, one standing valve 11 is set below the oil well pump, between the travelling valve 43 pull bar 7 is set on plunger 26 lower ends that in following kinetic pump 6, are provided with and the oil well pump 10.In flushing valve 1 upper end one flushing valve upper connection 13 is set, flushing valve upper connection 13) is connected by oil tube buckle with tubing string 12, in flushing valve valve body 16, be provided with power runner 38 and well-flushing duct 37, one valve ball 15 be set, a spring 14 is set on the valve ball on flushing valve valve body top.Bridge-type liquid road transducer 2 is provided with power fluid runner 35 and output liquid runner 36, in transducer lower end, bridge-type liquid road one plug 17 is set, the plug external cylindrical surface is provided with seal groove 18, be provided with seal ring in the seal groove, the plug external cylindrical surface is connected with upper connection 19 endoporus sliding fits on the last kinetic pump working barrel 21.Kinetic pump urceolus 22 on one is set outside last kinetic pump 3, kinetic pump urceolus lower union joint 30 on one is set below last kinetic pump urceolus, kinetic pump working barrel 21 on one is set in last kinetic pump urceolus, the lower end of last kinetic pump working barrel 21 is connected by screw thread with last kinetic pump urceolus lower union joint 30 endoporus, last kinetic pump working barrel 21 lower end peripheries are provided with power hole 23, be provided with kinetic pump plunger 32 in the last kinetic pump working barrel, in last kinetic pump plunger 32 upper ends one sealing head 33 is set, the sealing head periphery is provided with seal groove 20, be provided with seal ring in the seal groove, below last kinetic pump urceolus lower union joint 30, an oil pipe short circuit 5 is set, the following kinetic pump urceolus upper binding head 24 that is provided with of oil pipe short circuit, below following kinetic pump urceolus upper binding head, kinetic pump urceolus 25 once is set, below following kinetic pump urceolus, kinetic pump urceolus lower union joint 41 once is set, in the kinetic pump urceolus kinetic pump working barrel 28 once is being set down, following kinetic pump working barrel 28 lower ends are connected by screw thread with following kinetic pump urceolus lower union joint 41 endoporus, following kinetic pump working barrel 28 upper ends and following kinetic pump urceolus upper binding head 24 endoporus sliding fits, be provided with kinetic pump plunger 26 down in the kinetic pump working barrel 28 down, following kinetic pump plunger periphery is provided with seal groove 27, be provided with seal ring in the seal groove, between last kinetic pump plunger 32 and following kinetic pump plunger 26, a connecting rod 4 is set, in following kinetic pump urceolus lower union joint 41 lower ends one oil pipe short circuit 8 is set, the periphery of oil pipe short circuit is provided with flowing hole 49, one packet 9 is set below the oil pipe short circuit, one oil well pump pump barrel 42 is set below the packet, one standing valve 11 is set below the oil well pump pump barrel, one oil pump plunger piston 44 is set in the oil well pump pump barrel, in the oil pump plunger piston upper end travelling valve 43 on is set, travelling valve 45 once is set in the oil pump plunger piston lower end, between valve on the oil well pump 43 and following kinetic pump plunger 26, a pull bar 7 is set.
The beneficial effects of the utility model are, thoroughly eliminated the eccentric wear phenomenon in oil pumping process between sucker rod and the oil pipe, reduced the energy consumption of ground installation, prolonged the working life of oil pipe, simplify operation technique, reduced operating cost, prolonged the pump detection period of oil well pump greatly, the crude oil development cost that reduced ground, the utility model and same specification oil well pump are compared under identical working condition and are energy-conservationly reached 25%～40%.
Description of drawings
Fig. 1 is the utility model structural drawing
Fig. 2 is an epimere structural drawing in the utility model structural drawing
Fig. 3 is a hypomere structural drawing in the utility model structural drawing
The application accompanying drawing is the application's embodiment, can not be interpreted as full content of the present utility model.
The component title of sequence number that marks in the accompanying drawing and representative is: 1. flushing valve, and 2. bridge-type liquid road transducer is 3. gone up kinetic pump, 4. connecting rod, 5. the oil pipe short circuit 6. descends kinetic pump, 7. pull bar, 8. oil pipe short circuit, 9. packet, 10. oil well pump, 11. standing valves, 12. tubing strings, 13. the flushing valve upper connection, 14. springs, 15. valve balls, 16. the flushing valve valve body, 17. plugs, 18. seal grooves, 19. upper connection, 20. seal grooves, kinetic pump working barrel on 21., 22. last kinetic pump urceolus, 23. power holes, 24. times kinetic pump urceolus upper binding heads, 25. following kinetic pump urceolus, 26. times kinetic pump plungers, 27. seal grooves, 28. following kinetic pump working barrel, 29. sleeve pipe, kinetic pump urceolus lower union joint on 30., kinetic pump urceolus and last kinetic pump working barrel annular space on 31., 32. last kinetic pump plunger, 33. sealing head, 34. plug endoporus, 35. power fluid runners, 36. output liquid runner, 37. the well-flushing duct, 38. power runners, 39. oil jacket annular spaces, 40. tubing string endoporus, 41. following kinetic pump urceolus lower union joint, 42. oil well pump pump barrels, travelling valve on 43., 44. oil pump plunger piston, 45. following travelling valve, 46. oil well pump pump chambers, 47. oil pump plunger piston endoporus, 48. the duct, 49. flowing holes.
Embodiment
Fig. 1, among Fig. 2 and Fig. 3, a kind of differential type down-hole hydraulic defueling pump that is used for the oilfield oil pumping, it is mainly by flushing valve (1), bridge-type liquid road transducer (2), last kinetic pump (3), connecting rod (4), oil pipe short circuit (5), following kinetic pump (6), pull bar (7), oil pipe short circuit (8), packet (9), oil well pump (10) and standing valve (11) are formed, it is characterized in that on tubing string (12), being provided with a flushing valve (1), the flushing valve lower end is provided with a bridge-type liquid road transducer (2), transducer lower end, bridge-type liquid road is provided with kinetic pump on (3), one oil pipe short circuit (5) is set below the last kinetic pump, kinetic pump (6) once is set below the oil pipe short circuit, at kinetic pump (3 up and down, 6) plunger (26 in, one connecting rod (4) is set 32), in following kinetic pump urceolus lower union joint (41) lower end one oil pipe short circuit (8) is set, below the oil pipe short circuit, be provided with packet (9), one oil well pump (10) is set in the packet lower end, one standing valve (11) is set below the oil well pump, and plunger (26) lower end that is provided with in following kinetic pump (6) and oil well pump (10) are gone up between the travelling valve (43) pull bar (7) are set.In flushing valve (1) upper end one flushing valve upper connection (13) is set, flushing valve upper connection 13) is connected by oil tube buckle with tubing string (12), in flushing valve valve body (16), be provided with power runner (38) and well-flushing duct (37), on flushing valve valve body top one valve ball (15) is set, a spring (14) is set on the valve ball.Bridge-type liquid road transducer (2) is provided with power fluid runner (35) and output liquid runner (36), in transducer lower end, bridge-type liquid road one plug (17) is set, the plug external cylindrical surface is provided with seal groove (18), be provided with seal ring in the seal groove, the plug external cylindrical surface is connected with upper connection (19) endoporus sliding fit on the last kinetic pump working barrel (21).Kinetic pump urceolus (22) on one is set outside last kinetic pump (3), kinetic pump urceolus lower union joint (30) on one is set below last kinetic pump urceolus, kinetic pump working barrel (21) on one is set in last kinetic pump urceolus, the lower end of last kinetic pump working barrel (21) is connected by screw thread with last kinetic pump urceolus lower union joint (30) endoporus, last kinetic pump working barrel (21) lower end periphery is provided with power hole (23), be provided with kinetic pump plunger (32) in the last kinetic pump working barrel, the diameter of last kinetic pump plunger (32) is 70mm, in last kinetic pump plunger (32) upper end one sealing head (33) is set, the sealing head periphery is provided with seal groove (20), be provided with seal ring in the seal groove, one oil pipe short circuit (5) is set below last kinetic pump urceolus lower union joint (30), the internal diameter 75.9mm of oil pipe short circuit, external diameter 88mm, screw thread are 3
1/
2TBG, the following kinetic pump urceolus upper binding head (24) that is provided with of oil pipe short circuit, below following kinetic pump urceolus upper binding head, kinetic pump urceolus (25) once is set, below following kinetic pump urceolus, kinetic pump urceolus lower union joint (41) once is set, in the kinetic pump urceolus kinetic pump working barrel (28) once is being set down, following kinetic pump working barrel (28) lower end is connected by screw thread with following kinetic pump urceolus lower union joint (41) endoporus, following kinetic pump working barrel (28) upper end and following kinetic pump urceolus upper binding head (24) endoporus sliding fit, be provided with kinetic pump plunger (26) down in the kinetic pump working barrel (28) down, the diameter of following kinetic pump plunger (26) is 38mm, following kinetic pump plunger periphery is provided with seal groove (27), be provided with seal ring in the seal groove, between last kinetic pump plunger (32) and following kinetic pump plunger (26), a connecting rod (4) is set, the external diameter of connecting rod (4) is 22mm, in following kinetic pump urceolus lower union joint (41) lower end one oil pipe short circuit (8) is set, the internal diameter 75.9mm of oil pipe short circuit, external diameter 88mm, screw thread are 3
1/
2TBG, the periphery of oil pipe short circuit is provided with flowing hole (49), one packet (9) is set below the oil pipe short circuit, one oil well pump pump barrel (42) is set below the packet, one standing valve (11) is set below the oil well pump pump barrel, one oil pump plunger piston (44) is set in the oil well pump pump barrel, the external diameter of oil pump plunger piston (44) is 57mm, in the oil pump plunger piston upper end travelling valve on (43) is set, travelling valve (45) once is set in the oil pump plunger piston lower end, between valve on the oil well pump (43) and following kinetic pump plunger (26) pull bar (7) is set, the external diameter of pull bar (7) is 22mm.
Its working procedure is: when power fluid through tubing string endoporus (40), through flushing valve power runner (38), bridge-type liquid road transducer power fluid runner (35), last kinetic pump urceolus and last kinetic pump working barrel annular space (31) and power hole (23) enter in kinetic pump plunger and the connecting rod annular space, action of hydraulic force is on the following annular space area of last kinetic pump plunger, kinetic pump plunger (32) is up in the promotion, last kinetic pump plunger (32) drivening rod (4), following kinetic pump plunger (26), pull bar (7) and oil pump plunger piston (44) move upward simultaneously, travelling valve on this moment (43) and following travelling valve (45) are closed, standing valve (11) is opened, well liquid enters oil well pump pump chamber (46) by standing valve (11), the liquid passing hole channel (48) of oil well pump pump barrel (42) epicoele, flowing hole (49) and sleeve pipe (29) arrive ground with the oil jacket annular space (39) that tubing string (12) forms.
Pressure changes low pressure into by high voltage variable in the tubing string endoporus (40) when carrying out down stroke, under the effect of ground hydraulic feedback force, last kinetic pump plunger (32) is descending, last kinetic pump plunger (32) promotes connecting rod (4), following kinetic pump plunger (26), pull bar (7) and oil pump plunger piston (44) move downward, travelling valve on this moment (43) and following travelling valve (45) are opened, standing valve (11) is closed, and liquid passes through travelling valve (45) down in the oil well pump pump chamber (46), oil pump plunger piston endoporus (47), last travelling valve (43) and duct (48) enter in the endoporus of oil well pump pump barrel (42) top.Realize the oil pumping purpose and so forth.
Claims (4)
1. one kind is used for the differential type down-hole hydraulic defueling pump that oilfield is pumped, it is mainly by flushing valve (1), bridge-type liquid road transducer (2), last kinetic pump (3), connecting rod (4), oil pipe short circuit (5), following kinetic pump (6), pull bar (7), oil pipe short circuit (8), packet (9), oil well pump (10) and standing valve (11) are formed, it is characterized in that on tubing string (12), being provided with a flushing valve (1), the flushing valve lower end is provided with a bridge-type liquid road transducer (2), transducer lower end, bridge-type liquid road is provided with kinetic pump on (3), one oil pipe short circuit (5) is set below the last kinetic pump, kinetic pump (6) once is set below the oil pipe short circuit, at kinetic pump (3 up and down, 6) plunger (26 in, one connecting rod (4) is set 32), in following kinetic pump urceolus lower union joint (41) lower end one oil pipe short circuit (8) is set, below the oil pipe short circuit, be provided with packet (9), one oil well pump (10) is set in the packet lower end, one standing valve (11) is set below the oil well pump, and plunger (26) lower end that is provided with in following kinetic pump (6) and oil well pump (10) are gone up between the travelling valve (43) pull bar (7) are set.
2. differential type according to claim 1 down-hole hydraulic defueling pump, it is characterized in that: one flushing valve upper connection (13) is set in flushing valve (1) upper end, flushing valve upper connection (13) is connected by oil tube buckle with tubing string (12), in flushing valve valve body (16), be provided with power runner (38) and well-flushing duct (37), on flushing valve valve body top one valve ball (15) is set, a spring (14) is set on the valve ball.
3. differential type according to claim 1 down-hole hydraulic defueling pump, it is characterized in that: bridge-type liquid road transducer (2) is provided with power fluid runner (35) and output liquid runner (36), in transducer lower end, bridge-type liquid road one plug (17) is set, the plug external cylindrical surface is provided with seal groove (18), be provided with seal ring in the seal groove, the plug external cylindrical surface is connected with upper connection (19) endoporus sliding fit on the last kinetic pump working barrel (21).
4. differential type according to claim 1 down-hole hydraulic defueling pump, it is characterized in that: kinetic pump urceolus (22) on is set outside last kinetic pump (3), kinetic pump urceolus lower union joint (30) on one is set below last kinetic pump urceolus, kinetic pump working barrel (21) on one is set in last kinetic pump urceolus, the lower end of last kinetic pump working barrel (21) is connected by screw thread with last kinetic pump urceolus lower union joint (30) endoporus, last kinetic pump working barrel (21) lower end periphery is provided with power hole (23), be provided with kinetic pump plunger (32) in the last kinetic pump working barrel, in last kinetic pump plunger (32) upper end one sealing head (33) is set, the sealing head periphery is provided with seal groove (20), be provided with seal ring in the seal groove, one oil pipe short circuit (5) is set below last kinetic pump urceolus lower union joint (30), the following kinetic pump urceolus upper binding head (24) that is provided with of oil pipe short circuit, below following kinetic pump urceolus upper binding head, kinetic pump urceolus (25) once is set, below following kinetic pump urceolus, kinetic pump urceolus lower union joint (41) once is set, in the kinetic pump urceolus kinetic pump working barrel (28) once is being set down, following kinetic pump working barrel (28) lower end is connected by screw thread with following kinetic pump urceolus lower union joint (41) endoporus, following kinetic pump working barrel (28) upper end and following kinetic pump urceolus upper binding head (24) endoporus sliding fit, be provided with kinetic pump plunger (26) down in the kinetic pump working barrel (28) down, following kinetic pump plunger periphery is provided with seal groove (27), be provided with seal ring in the seal groove, between last kinetic pump plunger (32) and following kinetic pump plunger (26), a connecting rod (4) is set, in following kinetic pump urceolus lower union joint (41) lower end one oil pipe short circuit (8) is set, the periphery of oil pipe short circuit is provided with flowing hole (49), one packet (9) is set below the oil pipe short circuit, one oil well pump pump barrel (42) is set below the packet, one standing valve (11) is set below the oil well pump pump barrel, one oil pump plunger piston (44) is set in the oil well pump pump barrel, in the oil pump plunger piston upper end travelling valve on (43) is set, in the oil pump plunger piston lower end travelling valve (45) once is set, between valve on the oil well pump (43) and following kinetic pump plunger (26), a pull bar (7) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200000153U CN201078328Y (en) | 2007-01-04 | 2007-01-04 | Differential type down-hole hydraulic oil well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200000153U CN201078328Y (en) | 2007-01-04 | 2007-01-04 | Differential type down-hole hydraulic oil well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201078328Y true CN201078328Y (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200000153U Expired - Fee Related CN201078328Y (en) | 2007-01-04 | 2007-01-04 | Differential type down-hole hydraulic oil well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201078328Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653710A (en) * | 2018-11-09 | 2019-04-19 | 大港油田集团有限责任公司 | A kind of hydraulic drive reciprocating pump |
| CN110318712A (en) * | 2019-08-08 | 2019-10-11 | 淄博东华石油技术有限公司 | A kind of dedicated underground hydraulic motor that recovers the oil |
| CN110735607A (en) * | 2019-12-02 | 2020-01-31 | 延长油田股份有限公司南泥湾采油厂 | oil-well pump gap bridge pressing setting packer device and application method |
| CN114517669A (en) * | 2022-03-06 | 2022-05-20 | 大庆乾斯晨石油科技开发有限公司 | Intelligent flow control adjusting equipment based on water injection well |
-
2007
- 2007-01-04 CN CNU2007200000153U patent/CN201078328Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653710A (en) * | 2018-11-09 | 2019-04-19 | 大港油田集团有限责任公司 | A kind of hydraulic drive reciprocating pump |
| CN110318712A (en) * | 2019-08-08 | 2019-10-11 | 淄博东华石油技术有限公司 | A kind of dedicated underground hydraulic motor that recovers the oil |
| CN110318712B (en) * | 2019-08-08 | 2024-03-15 | 淄博东华石油技术有限公司 | Underground hydraulic motor special for oil extraction |
| CN110735607A (en) * | 2019-12-02 | 2020-01-31 | 延长油田股份有限公司南泥湾采油厂 | oil-well pump gap bridge pressing setting packer device and application method |
| CN114517669A (en) * | 2022-03-06 | 2022-05-20 | 大庆乾斯晨石油科技开发有限公司 | Intelligent flow control adjusting equipment based on water injection well |
| CN114517669B (en) * | 2022-03-06 | 2022-09-06 | 大庆乾斯晨石油科技开发有限公司 | Intelligent flow control adjusting equipment based on water injection well |
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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: 20080625 Termination date: 20100204 |