CN221032971U - Hydraulic drive ultra-deep well double-acting rodless oil extraction device - Google Patents
Hydraulic drive ultra-deep well double-acting rodless oil extraction device Download PDFInfo
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- CN221032971U CN221032971U CN202322204164.3U CN202322204164U CN221032971U CN 221032971 U CN221032971 U CN 221032971U CN 202322204164 U CN202322204164 U CN 202322204164U CN 221032971 U CN221032971 U CN 221032971U
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- 238000000605 extraction Methods 0.000 title abstract description 25
- 238000007789 sealing Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 2
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- 239000007788 liquid Substances 0.000 abstract description 69
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 239000012224 working solution Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005271 boronizing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a hydraulic drive ultra-deep well double-acting rodless oil extraction device, which comprises: the upper joint, the upper pump cavity, the upper plunger, the upper power hydraulic cylinder, the middle piston, the lower power hydraulic cylinder, the lower plunger, the lower pump cavity and the lower joint are connected in sequence; the upper power hydraulic cylinder drives the upper pump cavity to work through the upper plunger, and the lower power hydraulic cylinder drives the lower pump cavity to work through the lower plunger; the two-stage power motor piston working section S Cylinder with a cylinder body 1+S Cylinder with a cylinder body 2 and the pump cavity plunger lifting working section S Pump with a pump body of the hydraulic drive ultra-deep well rodless oil extraction device are free of piston connecting rod factors, the two-stage motor piston working area (S Cylinder with a cylinder body 1+S Cylinder with a cylinder body 2) is far larger than the pump cavity plunger lifting area (S Pump with a pump body ) permanently, the lifting working pressure of a ground plunger pump is low, the hidden danger of high-pressure lifting of a traditional hydraulic piston pump is solved, and the hydraulic drive ultra-deep well rodless oil extraction device can be widely applied to deep well and ultra-deep well oil extraction. The system has high efficiency, obvious energy-saving effect and reduced unit consumption of liquid production.
Description
Technical Field
The utility model relates to the technical field of oil exploitation, in particular to a hydraulic drive ultra-deep well double-acting rodless oil extraction device.
Background
The hydraulic driving rodless oil extraction equipment applied to the market at present cannot be applied to ultra-deep well oil extraction or drainage, and particularly for ultra-deep horizontal wells, offshore platform wells, severe casing wells and land special oil wells, the well depth of the oil wells reaches more than 4500 meters, and the existing oil extraction lifting equipment cannot be basically completed.
The traditional hydraulic drive rodless oil extraction equipment basically adopts a mechanical reversing mode or a hydraulic linkage reversing mode, no matter what single reversing mode is adopted, the problems of high-voltage starting risk, operation resonance phenomenon or operation restarting dead point exist, and the hidden danger of application instability exists;
therefore, a hydraulic driving ultra-deep well double-acting rodless oil extraction device is provided.
Disclosure of utility model
In view of the foregoing, it is desirable to provide a hydraulically driven ultra-deep well dual-acting rodless oil recovery device that solves or mitigates the technical problems of the prior art, and at least provides a beneficial option.
The technical scheme of the embodiment of the utility model is realized as follows: a hydraulically driven ultra-deep well double-acting rodless oil recovery device, comprising:
The upper joint, the upper pump cavity, the upper plunger, the upper power hydraulic cylinder, the middle piston, the lower power hydraulic cylinder, the lower plunger, the lower pump cavity and the lower joint are connected in sequence;
The upper power hydraulic cylinder drives the upper pump cavity to work through the upper plunger, and the lower power hydraulic cylinder drives the lower pump cavity to work through the lower plunger;
The hydraulic cylinder working area S Cylinder with a cylinder body is greater than the ram lifting area S Pump with a pump body .
In some embodiments: the upper joint is internally provided with an oil pipe interface connected with an oil pipe and an inserted sealing body connected with a central pipe.
In some embodiments: the upper pump cavity is connected with an upper piston assembly in a sliding mode, the lower pump cavity is connected with a lower piston assembly in a sliding mode, and the upper piston assembly is connected with the lower piston assembly through an intermediate piston.
In some embodiments: the hydraulic cylinder working area S Cylinder with a cylinder body is the sum of the upper power hydraulic cylinder working area and the lower power hydraulic cylinder working area.
In some embodiments: and a block reversing valve is arranged in the upper power hydraulic cylinder.
In some embodiments: the upper pump cavity and the lower pump cavity are respectively provided with an oil inlet and outlet channel for conveying oil.
By adopting the technical scheme, the embodiment of the utility model has the following advantages:
The two-stage power motor piston working section S Cylinder with a cylinder body 1+S Cylinder with a cylinder body 2 and the pump cavity plunger lifting working section S Pump with a pump body of the hydraulic drive ultra-deep well rodless oil extraction device remove piston connecting rod factors, the two-stage motor piston working area (S Cylinder with a cylinder body 1+S Cylinder with a cylinder body 2) is far larger than the pump cavity plunger lifting area (S Pump with a pump body ) permanently, the lifting working pressure of the ground plunger pump is lower, the hidden danger of high-pressure lifting of the traditional hydraulic piston pump is solved, the hydraulic drive ultra-deep well rodless oil extraction device can be widely applied to deep well and ultra-deep well oil extraction, the system efficiency is high, the energy-saving effect is obvious, and the liquid production unit consumption is reduced.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the operation of the present utility model;
FIG. 2 is a block diagram of the present utility model;
FIG. 3 is a partial block diagram I of FIG. 1 of the present utility model;
FIG. 4 is a second partial block diagram of FIG. 1 according to the present utility model;
FIG. 5 is a partial block diagram III of FIG. 1 in accordance with the present utility model;
FIG. 6 is a partial block diagram of FIG. 1 according to the present utility model;
FIG. 7 is a partial block diagram fifth of the present utility model of FIG. 1;
Fig. 8 is a partial block diagram of the present utility model of fig. 1.
Reference numerals: 1. an oil pipe interface; 2. inserting a sealing body; 3. a working fluid injection channel; 4. an outlet of the oil outlet channel of the lower pump cavity; 5. an upper liquid inlet channel; 6. the first valve ball is arranged; 7. an upper valve seat I; 8. a lower oil outlet channel inlet; 9. a lower oil outlet channel outlet; 10. an upper valve ball II; 11. an upper valve seat II; 12. a liquid inlet and a liquid outlet of the upper pump cavity; 13. an upper pump chamber; 14. an upper piston assembly; 15. a liquid inlet channel; 16. an upper plunger connecting rod; 17. changing the direction to the upper liquid inlet; 18. a reversing middle liquid inlet; 19. changing the direction of the lower liquid inlet; 20. a reversing valve ejector rod; 21. a second hydraulic cylinder; 22. an intermediate piston; 23. a lower plunger rod; 24. a lower partition sealing body; 25. a lower piston assembly; 26. a lower pump chamber; 27. an oil outlet channel of the lower pump cavity; 28. a liquid outlet of the lower pump cavity; 29. a liquid inlet of the lower pump cavity; 30. a first lower valve ball; 31. a first lower valve seat; 32. a liquid inlet of the lower pump cavity; 33. a lower pump cavity liquid inlet; 34. a bottom liquid inlet channel; 35. a lower oil pipe interface; 36. an outlet of the oil outlet channel of the upper pump cavity; 37. an inlet of the upper oil outlet channel; 38. an inlet of the oil feeding channel; 39. a first hydraulic cylinder; 40. a first hydraulic cylinder liquid inlet channel; 41. a three-liquid cylinder working fluid outlet; 42. a third hydraulic cylinder; 43. a third hydraulic cylinder liquid inlet channel; 44. a fourth hydraulic cylinder; 45. a valve partition; 46. a second lower valve ball; 47. a second lower valve seat; 48. a working solution spent liquor outlet; 49. an upper reversing liquid outlet; 50. a three-liquid cylinder liquid outlet; 51. a reversing valve core; 52. a liquid outlet of the second hydraulic cylinder and the fourth hydraulic cylinder; 53. a liquid inlet and outlet channel of the second and fourth liquid cylinders; 54. a lower reversing liquid outlet; 55. a liquid inlet and outlet of the second hydraulic cylinder; 56. and a liquid inlet and outlet of a fourth hydraulic cylinder.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
It should be noted that the terms "first," "second," "symmetric," "array," and the like are used merely for distinguishing between description and location descriptions, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of features indicated. Thus, a feature defining "first," "symmetry," or the like, may explicitly or implicitly include one or more such feature; also, where certain features are not limited in number by words such as "two," "three," etc., it should be noted that the feature likewise pertains to the explicit or implicit inclusion of one or more feature quantities;
In the present invention, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly; for example, the connection can be fixed connection, detachable connection or integrated molding; the connection may be mechanical, direct, welded, indirect via an intermediate medium, internal communication between two elements, or interaction between two elements. The specific meaning of the terms described above in the present invention will be understood by those skilled in the art from the specification and drawings in combination with specific cases.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-8, an embodiment of the present utility model provides a hydraulically driven ultra-deep well double-acting rodless oil recovery device, including:
the upper joint, the upper pump cavity 13, the upper plunger, the upper power hydraulic cylinder, the middle piston, the lower power hydraulic cylinder, the lower plunger, the lower pump cavity 26 and the lower joint are connected in sequence;
The upper power hydraulic cylinder drives the upper pump cavity to work through the upper plunger, and the lower power hydraulic cylinder drives the lower pump cavity to work through the lower plunger;
The hydraulic cylinder working area S Cylinder with a cylinder body is larger than the plunger lifting area S Pump with a pump body ; the working area S Cylinder with a cylinder body of the hydraulic cylinder is the sum of the working area of the upper power hydraulic cylinder and the working area of the lower power hydraulic cylinder;
As shown in fig. 1, the two-stage hydraulic cylinder drives the upper pump cavity and the lower pump cavity to work. Hydraulic cylinder working area scylinder=s1+s2=2 (spump-s0) =spump+ (spump-2S 0); the S pump is a plunger lifting area, S0 is the sectional area of a piston connecting rod, and the S pump is far larger than S0, so that the S cylinder is always larger than the S pump, and the pressure P is inversely proportional to the area S under the condition that the lifting force F is unchanged. Therefore, the oil extraction system solves the lifting problem of the ultra-deep well under the condition that the ground pump operates at lower pressure. Can be widely applied to the lifting of ultra-deep wells with the depth of 3000-5000 meters.
Working solution spent liquor of the two-stage hydraulic cylinder is mixed with produced liquor at the bottom of a pump and lifted to the ground together, so that the problems of water-doped oil extraction and quick lifting are realized;
Specifically, the working section S Cylinder with a cylinder body 1+S Cylinder with a cylinder body 2 of the piston of the two-stage power motor of the hydraulic drive ultra-deep well rodless oil extraction device and the lifting working section S Pump with a pump body of the plunger of the pump cavity are removed, and the working area (S Cylinder with a cylinder body 1+S Cylinder with a cylinder body 2) of the piston of the two-stage motor is far larger than the lifting area (S Pump with a pump body ) of the plunger of the pump cavity. Therefore, the lifting working pressure of the ground plunger pump is lower, the normal working pressure is generally about 4-8MPa, the hidden danger of high-pressure lifting of the traditional hydraulic piston pump is solved, the essential difference between the oil extraction device and the traditional hydraulic piston pump is that the oil extraction device lays a theoretical foundation for ultra-deep well oil extraction of the device, and the oil extraction device can be widely applied to deep well oil extraction and ultra-deep well oil extraction. The system has high efficiency, obvious energy-saving effect and reduced unit consumption of liquid production.
In this embodiment, specific: as shown in fig. 3-4, the upper joint is internally provided with an oil pipe interface 1 connected with an oil pipe and an insertion sealing body 2 connected with a central pipe.
In this embodiment, specific: the upper pump chamber 13 is slidably connected with an upper piston assembly 14, the lower pump chamber 26 is slidably connected with a lower piston assembly 25, and the upper piston assembly 14 is connected with the lower piston assembly 25 through an intermediate piston 22.
In the embodiment, three-stage pistons of the hydraulic drive ultra-deep well double-acting rodless oil extraction device all use wear-resistant stainless steel solid materials, adopt the design concept of rigid structure and flexible seal, adopt gap seal between the plunger body of the oil pump and the pump barrel, and the sealing gap is 3-8 mu m according to the national standard GB/T18607 primary pump sealing standard of the whole barrel oil pump. The surface of the plunger adopts a spray welding process, is provided with a polyether-ether-ketone guide belt, is provided with a sand scraping ring and a compensation type sealing ring, and has better sand prevention and sand scraping functions. The pump cylinder adopts a boronizing process, and has excellent corrosion resistance and wear resistance.
In this embodiment, specific: the upper power hydraulic cylinder is internally provided with a block reversing valve, and the upper pump cavity 13 and the lower pump cavity 26 are internally provided with oil inlet and outlet channels for oil transportation so as to be used for oil transportation.
The utility model works when in work: the central tube is connected with the inserted sealing body 2, the oil tube is connected with the oil tube interface 1, and the working fluid enters the upper liquid inlet channel 5 through the working fluid injection channel 3 inserted into the sealing body 2, and respectively enters the reversing upper liquid inlet 17, the reversing middle liquid inlet 18 and the reversing lower liquid inlet 19.
The reversing valve core 51 is provided with two annular channels, when the reversing valve ejector rod 20 is positioned at the bottom dead center under the action of the upper piston assembly 14, the reversing middle liquid inlet 18 is communicated with a three-liquid-cylinder working liquid outlet 41, working liquid enters a first liquid cylinder 39 through a first liquid-cylinder liquid inlet channel 40, enters a third liquid cylinder 42 through a third liquid-cylinder liquid inlet channel 43, pushes the upper piston assembly 14 and the middle piston 22 simultaneously, drives the upper plunger connecting rod 16, the lower plunger connecting rod 23 and the lower piston assembly 25 to move upwards, and simultaneously drives liquid in the upper pump cavity 13 to enter an upper oil outlet channel inlet 37 along an upper pump cavity liquid inlet 12, enter an upper valve ball 10 and an upper valve seat 11 and be discharged along an upper pump cavity oil outlet channel outlet 36, and enter an oil pipe and a central pipe annular air-out channel to be lifted to the ground, and meanwhile, the second liquid cylinder 21 and the fourth liquid cylinder 44 are in a state of discharging fatigue;
The liquid in the second hydraulic cylinder 21 is combined and discharged to the second hydraulic cylinder liquid inlet and outlet channel 53 through the second hydraulic cylinder liquid inlet and outlet port 55 and the fourth hydraulic cylinder 44 through the fourth hydraulic cylinder liquid inlet and outlet port 56, and enters the second hydraulic cylinder liquid outlet port 52, and is lifted to the ground through the mixture of the working solution spent liquid outlet 48 and the oil, meanwhile, the lower pump cavity 26 is in a liquid inlet state, the oil enters the lower pump cavity 26 through the bottom liquid inlet channel 34, the lower pump cavity liquid inlet 33, the lower pump cavity liquid inlet outlet 32, the first lower valve ball 30, the first lower valve seat 31 and the lower pump cavity liquid inlet channel 29, when the reversing valve ejector rod 20 is positioned at the upper dead center under the action of the middle piston 22, the reversing middle liquid inlet 18 is communicated with the second hydraulic cylinder liquid inlet and outlet channel 53, the working solution enters the second hydraulic cylinder 21 along the second hydraulic cylinder liquid inlet and outlet port 55, and simultaneously enters the fourth hydraulic cylinder 44 along the fourth hydraulic cylinder liquid inlet and outlet port 56, and pushes the lower piston assembly 25, the middle piston 22, the upper piston rod and the upper piston assembly 14 to move downwards. Simultaneously, liquid in the lower pump cavity 26, along the lower pump cavity liquid outlet 28, the lower pump cavity oil outlet channel 27, the lower oil outlet channel outlet 9, the lower oil outlet channel inlet 8 and the lower pump cavity oil outlet channel outlet 4 enter an oil pipe and are discharged from a central pipe annular channel;
Meanwhile, the upper pump cavity 13 is in a liquid inlet state, and bottom hole liquid enters the upper pump cavity 13 through the bottom liquid inlet channel 34, the lower valve ball II 46, the lower valve seat II 47, the upper oil inlet channel inlet 38 and the upper pump cavity liquid inlet and outlet 12. Simultaneously, working solution depletion liquid in the first hydraulic cylinder 39 and the third hydraulic cylinder 42 respectively enter a third hydraulic cylinder working solution outlet 41 along a first hydraulic cylinder liquid inlet channel 40 and a third hydraulic cylinder liquid inlet channel 43, are connected with a third hydraulic cylinder liquid outlet 50 through an annular channel on a reversing valve core 51, and are mixed and discharged with produced liquid through a working solution depletion liquid outlet 48 to form a complete cycle.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (4)
1. A hydraulically driven ultra deep well double acting rodless oil recovery device, comprising:
The upper joint, the upper pump cavity (13), the upper plunger, the upper power hydraulic cylinder, the middle piston, the lower power hydraulic cylinder, the lower plunger, the lower pump cavity (26) and the lower joint are connected in sequence;
The upper power hydraulic cylinder drives the upper pump cavity to work through the upper plunger, and the lower power hydraulic cylinder drives the lower pump cavity to work through the lower plunger;
The hydraulic cylinder working area S Cylinder with a cylinder body is larger than the plunger lifting area S Pump with a pump body ;
An upper piston assembly (14) is connected in a sliding manner in the upper pump cavity (13), a lower piston assembly (25) is connected in a sliding manner in the lower pump cavity (26), and the upper piston assembly (14) is connected with the lower piston assembly (25) through an intermediate piston (22);
And a block reversing valve is arranged in the upper power hydraulic cylinder.
2. A hydraulically driven ultra deep well double acting rodless oil recovery device of claim 1, characterized by: the upper joint is internally provided with an oil pipe interface (1) connected with an oil pipe and an insertion sealing body (2) connected with a central pipe.
3. A hydraulically driven ultra deep well double acting rodless oil recovery device of claim 1, characterized by: the hydraulic cylinder working area S Cylinder with a cylinder body is the sum of the upper power hydraulic cylinder working area and the lower power hydraulic cylinder working area.
4. A hydraulically driven ultra deep well double acting rodless oil recovery device of claim 1, characterized by: oil inlet and outlet channels for conveying oil are formed in the upper pump cavity (13) and the lower pump cavity (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322204164.3U CN221032971U (en) | 2023-08-16 | 2023-08-16 | Hydraulic drive ultra-deep well double-acting rodless oil extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322204164.3U CN221032971U (en) | 2023-08-16 | 2023-08-16 | Hydraulic drive ultra-deep well double-acting rodless oil extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221032971U true CN221032971U (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322204164.3U Active CN221032971U (en) | 2023-08-16 | 2023-08-16 | Hydraulic drive ultra-deep well double-acting rodless oil extraction device |
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| Country | Link |
|---|---|
| CN (1) | CN221032971U (en) |
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2023
- 2023-08-16 CN CN202322204164.3U patent/CN221032971U/en active Active
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