CN101126383A - Hydraulic driving gear oil-well pump - Google Patents
Hydraulic driving gear oil-well pump Download PDFInfo
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- CN101126383A CN101126383A CNA2007100171452A CN200710017145A CN101126383A CN 101126383 A CN101126383 A CN 101126383A CN A2007100171452 A CNA2007100171452 A CN A2007100171452A CN 200710017145 A CN200710017145 A CN 200710017145A CN 101126383 A CN101126383 A CN 101126383A
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- 239000003129 oil well Substances 0.000 title claims abstract description 42
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 abstract description 14
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000004576 sand Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 66
- 238000012360 testing method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000009671 shengli Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The invention discloses a hydraulically-driven gear defueling pump, which comprises a connection pipe (1), a lower adaptor (2) and an oil-out joint (3) and is characterized in that a hydraulic motor (4) is arranged in the upper part of the cavity in the connecting pipe (1), a gear pump (5) is arranged in the lower part of the cavity; the lower adaptor(2) is rotatablely and fixedly at the lower end of the gear pump (5), a transmission shaft (6) of the hydraulic motor is connected with a driving gear shaft (8) of the gear pump (5) through a coupling (7); the lower flange of the hydraulic motor (4) is integrated with the upper cover plate of the gear pump (5) through a connecting body (10); the upper end of the hydraulic motor (4) is connected with a circulating pipe (11). The hydraulically-driven gear defueling pump has no sucker rod, which solves the lopsided wear of a rod, prolongs the maintenance period of the oil well and is especially suitable for the inclined well and horizontal well; furthermore, the invention is low in energy consumption, high in pump efficiency, small in equipment volume and is corrosion- resistant and wear-resistant; also the invention solves the common difficult problems in pumping the oil containing sand, wax or has high viscosity and can be widely applied on the pumping equipment in the oil filed.
Description
Technical field
The invention belongs to pumping unit in a kind of oil field, particularly a kind of hydraulic driving gear oil-well pump that is applicable to that inclined shaft, horizontal well, thick oil well are recovered the oil.
Background technique
At present, the oil recovery machiner that uses on the oil field mainly contains two kinds: the one, and plunger oil-well pump, i.e. down-hole deep-well pump; The 2nd, rod-type drive screw pump.Plunger oil-well pump comprises that pump barrel, sucker rod, upper and lower valve and urceolus constitute, by the upper and lower mobile oil pumping of plunger; Rod-type drive screw oil well pump comprises that housing, sucker rod, rotor, oil pick-up tube constitute, and rotates under the drive of ground power equipment by sucker rod, drives the rotor rotation oil pumping.More than two kinds of oil well pumps can effectively pump, so be employed always, but also come with some shortcomings, main deficiency is: because these oil production equipments, in pipe, be equipped with the very long body of rod, thus be easy to generate rod and tube partial-wear, when being used in inclined shaft or horizontal well especially, this eccentric wear can be obvious especially, can influence pump efficiency and working life; The 2nd, equipment volume is big, investment is big, energy consumption is high; The 3rd, the abrading section of oil well pump is many, and corrosion resistance is low, intensity is low, often can not use because of serious wear, and maintenance difficult; The 4th, the exploitation of incompatibility high viscosity oil well.For overcoming the above problems, in recent years, the rod and tube partial-wear problem all dropping into a large amount of financial resources, manpower research and development rodless pumping operation machinery, is attempted to solve by a lot of enterprises both domestic and external, to satisfy the needs of inclined shaft, horizontal well and heavy oil production, institute is so that produced some rodless pumping operation machineries.Existing rodless pumping operation machinery mainly contains electric submersible centrifugal pump, electric oil submerged screw pump, hydraulic piston pump, turbine pump.These rodless pumping operation machineries are because of no longer establishing the very long body of rod in outer tube, so can overcome the rod and tube partial-wear problem, but electric submersible centrifugal pump efficient is low, only is applicable to the exploitation of high moisture big discharge capacity oil well, be lower than the oil well of 50 cubic metres/every day for well yield, can't use because of its efficient is low; Electric oil submerged screw pump also makes stripper well be difficult to accept owing to be subjected to the influence of factors such as down-hole retarder reliability is not high, oil-submersible cable expense height; Hydraulic piston pump is to use the ground suction booster that power fluid is driven the plunger pump work of its underpart by the oil pipe motor of being driven underground, the well liquid that plunger pump is discharged is with after the weary power fluid of piston motor discharge mixes, be lifted to the ground petroleum pipeline by the oil jacket annular space, this oil production method once was the main oil production method that is only second to pumping unit in the U.S. during the 70-80 age, China also once used in oil fields such as triumph, Jiang-Han Area the eighties, to the later stage nineties, also progressively withdraw from the Domestic market because of efficient is low.Therefore, for now, yet there are no and to solve the rod and tube partial-wear problem, can be applicable to inclined shaft, horizontal well again, can also be applicable to the report of the oil well pump of thickened oil recovery.
Summary of the invention
The object of the present invention is to provide and a kind ofly can not only overcome the rod and tube partial-wear problem, and can simplify the oil pumping pump structure, reduce equipment volume and investment, anti-corrosion, wear-resisting, anti-sticking, long service life, efficient height, the hydraulic driving gear oil-well pump of particularly suitable inclined shaft, horizontal well, thick oil well.
For reaching above purpose, the technical solution adopted in the present invention is: this hydraulic driving gear oil-well pump, by adapter, lower contact, delivery connection constitutes, delivery connection is fixed on adapter suitable for reading, it is characterized in that establishing oil hydraulic motor at the chamber internal upper part of taking over, gear pump is established in the bottom in the chamber of taking over, lower contact is fixed on the lower end of gear pump, the oil hydraulic motor rotatingshaft is connected with the driving gear shaft of gear pump by coupling, the lower end flange plate of oil hydraulic motor is by being bolted to the upper end of connecting body, the upper cover plate of gear pump is fixed on the lower end of connecting body by corresponding bolts, the last termination circulating pipe of oil hydraulic motor, and by the last suction booster of circulating pipe connection, suction booster can be located on the ground, suction booster is with the recycle oil supercharging, send into the oil hydraulic motor filler opening by circulating pipe, and oil hydraulic motor is rotated, the oil hydraulic motor rotatingshaft is by the rotation of the driving gear in the coupling driven gear pump, driving gear and driven gear engagement are rotated, thereby top with the oily suction gear pump of gear pump bottom, continuous operation, oil can upwards give rise to ground in the chamber of taking over.The present invention also implements by following measure: described connecting body by body and fixedly ear constitute, the intracavity diameter of body is than the big 4mm of outer diameter of coupling, so that coupling energy slow-roll stabilization in the inner chamber of body, fixedly the ear symmetry establishes four pairs, fixedly the outer wall of ear is an arcwall, its outer diameter is consistent with the inner diameter of adapter, fixedly ear is fixed on the outer wall of upper and lower mouthful of body, can be made as an integral body with body, it between the adjacent fixed ear oily passage, the height of connecting body is 130mm, rises from cross oily passage from the make progress oil of lifting of gear pump; Described gear pump, by frame, upper cover plate, bottom plate, driving gear, driven gear, oil suction chamber, going out oil pocket constitutes, the external thread diameter of frame is consistent with the internal thread diameter of adapter and lower contact, the driving gear shaft of driving gear is located at the center portion of frame, with the oil hydraulic motor rotatingshaft on an axis, driven gear departs from the central axis of frame, mesh with driving gear, main, the driven gear engagement is rotated, in oil suction chamber, form negative pressure, establish oil inlet hole on the low cover plate in oil suction chamber, the oil inlet hole lower end is communicated with the inner chamber of lower contact, carry out in well, pumping, in going out oil pocket, form malleation, establish upper oil hole on the upper cover plate in going out oil pocket, the upper end of upper oil hole is communicated with the inner chamber of delivery connection, with the oil lifting that makes progress, main, the number of teeth of driven gear is 14, main, the centre distance of driven gear is 42mm, the central shaft hole diameter is 21.8mm, main, driven gear meshes rotation, oil suction chamber in Seal cage, go out oil pocket and be half-cylindrical chamber, the outside thread of frame is rotatably connected with the internal thread of lower contact; Described delivery connection also is fixed on adapter suitable for reading with thread connecting mode.
This hydraulic driving gear oil-well pump, carried out conscientious experiment, its experimental result such as following table in factory:
The every performance test of hydraulic driving gear oil-well pump detects table
| Test item | Design standard | Actual tests result | Test period (my god) | Test site | Reception time | The acceptor |
| Pressure | 16MPa | 16.5MPa | 30d | Our company | 2006.12.18 | Zang Shougui |
| Day theoretical delivery | 69120(L) | 68518(L) | 30d | Our company | 2006.12.18 | Zang Shougui |
| Pump efficiency | 90％ | 98％ | 30d | Our company | 2006.12.18 | Liu Maowen |
| Temperature (C °) | ≤90 | ≤90 | 30d | Our company | 2006.12.18 | Liu Maowen |
| The machine operation situation | Normally | Well | 30d | Our company | 2006.12.18 | Zang Shougui |
| Anticorrosive situation | Acid resistant alkali | Acid resistant alkali is good | 30d | Our company | 2006.12.18 | Zang Shougui |
| Wear-resisting situation | Wear-resisting | Wear-resisting good | 30d | Our company | 2006.12.18 | Liu Maowen |
| The oil hydraulic motor test(ing) medium | Hydraulic oil (46#) | Hydraulic oil (46#) is good | 30d | Our company | 2006.12.18 | Zang Shougui |
| The gear pump test(ing) medium | Crude oil (moisture, cured, facing sand) | Well | 30d | Our company | 2006.12.18 | Zang Shougui |
| Wastage | 0.02％-0.05％ | 0.03％ | 30d | Our company | 2006.12.18 | Liu Maowen |
| Power usefulness | 77.8％ | 76％ | 30d | Our company | 2006.12.18 | Zang Shougui |
Find out that from last table its every performance of this hydraulic driving gear oil-well pump all reaches the design standard requirement, and stable performance.
Beneficial effect of the present invention is: compare with the oil well pump of present use, following tangible advantage is arranged: 1, because of not establishing sucker rod, so solved the rod and tube partial-wear problem of sucker rod, prolonged the turn(a)round of oil well significantly, be specially adapted to inclined shaft and horizontal well; 2, energy consumption is low, pump efficiency is high, equipment volume is little; 3, the gear pump discharge capacity is big, corrosion-resistant, wear-resistant.Also solve the sand card, contained common knotty problem cured, the high viscosity oil pumping, can be widely used in the pumping unit in oil field.
Description of drawings
Fig. 1 is a structure of the present invention cross-sectional schematic vertically.
Fig. 2 is a connecting body schematic top plan view of the present invention.
Fig. 3 is that the present invention is along Fig. 2 B-B cross-sectional schematic.
Fig. 4 is a gear pump structure schematic perspective view of the present invention.
Fig. 5 is that the present invention is along Fig. 4 A-A cross-sectional schematic.
Embodiment
Make the present invention with reference to accompanying drawing 1,2,3,4,5.This hydraulic driving gear oil-well pump, by taking over 1, lower contact 2, delivery connection 3 constitutes, delivery connection 3 be fixed on take over 1 suitable for reading on, it is characterized in that establishing oil hydraulic motor 4 at the chamber internal upper part of taking over 1, gear pump 5 is established in the bottom in the chamber of adapter 1, lower contact 2 is fixed on the lower end of gear pump 5, oil hydraulic motor rotatingshaft 6 is connected with the driving gear shaft 8 of gear pump 5 by coupling 7, the lower end flange plate of oil hydraulic motor 4 is fixed on the upper end of connecting body 10 by bolt 9, the upper cover plate of gear pump 5 is by corresponding bolts 9 ' the be fixed on lower end of connecting body 10, the last termination circulating pipe 11 of oil hydraulic motor 4, and pass through circulating pipe 11 connections and go up suction booster.Described connecting body 10, by body 10a and fixedly ear 10b constitute, the intracavity diameter of body 10a is than the big 4mm of outer diameter of coupling 7, the inner diameter that can be made into body 10a is 59mm, the outer diameter of coupling 7 is 55mm, the outer diameter of body 10a can be 89mm, fixedly ear 10b symmetry establishes four pairs, fixedly the outer wall of ear 10b is an arcwall, and its outer diameter is 132mm, and is consistent with the inner diameter of taking over 1, fixedly ear 10b is fixed on the body 10a, on the outer wall of end opening, can be made as an integral body with body 10a, be oily path 10 c between the adjacent fixed ear 10b, and the height of connecting body 10 is 130mm; Described gear pump 5, by frame 5a, upper cover plate 5b, bottom plate 5c, driving gear 5d, driven gear 5e, oil suction chamber 5f, going out oil pocket 5g constitutes, the external thread diameter of frame 5a is consistent with the internal thread diameter of adapter 1 and lower contact 2, be M141 * 2, the driving gear shaft 8 of driving gear 5d is located at the center portion of frame 5a, with oil hydraulic motor rotatingshaft 6 on an axis, driven gear 5e departs from the central axis of frame 5a, mesh with driving gear 5d, main, driven gear 5d, the number of teeth of 5e is 14, main, driven gear 5d, the centre distance of 5e is 42mm, the central shaft hole diameter is 22.8mm, main, driven gear 5d, 5e meshes rotation in Seal cage, oil suction chamber 5f, go out oil pocket 5g and be half-cylindrical chamber, in oil suction chamber 5f, form negative pressure, in going out oil pocket 5g, form malleation, establish oil inlet hole 5m on the bottom plate 5c in oil suction chamber 5f, the lower end of oil inlet hole 5m is communicated with lower contact 2 inner chambers, establish upper oil hole 5n on the upper cover plate 5b in going out oil pocket 5g, the upper end of upper oil hole 5n is connected with the oily path 10 c of the mistake of connecting body 10, advance, upper oil hole 5m, the aperture of 5n is 30mm, and the outside thread of frame 5a is rotatably connected with the internal thread of lower contact 2; Described delivery connection 3 also with thread connecting mode rotation be fixed on take over 1 suitable for reading on.
Embodiment
The hydraulic driving gear oil-well pump that produce in January, 2007, it is on probation to be used for Shengli Oil Field on March 10th, 2007, and compares with plunger oil-well pump, and its contrast effect is as follows:
1, try out in close oil well, the hole deviation degree is 25 degree, moves 6 months, and plunger oil-well pump breaks down because of eccentric wear, and maintenance once stopped work 10 days, and hydraulic driving gear oil-well pump is not broken down;
2, go out oil yield, hydraulic driving gear oil-well pump has improved 14% than plunger oil-well pump;
3, power consumption: hydraulic driving gear oil-well pump has reduced by 31% than plunger oil-well pump power consumption.
The hydraulic driving gear oil-well pump that produce in January, 2007, it is on probation to be used for the Liaohe Oil Field on March 2nd, 2007, and compares with ground driving screw pump, and its contrast effect is as follows:
1, try out in close oil well, the hole deviation degree is 18 degree, moves 5 months, and ground driving screw pump is because of eccentric wear and bar is oversize, moment of torsion twists off greatly and breaks down, and maintenance once stopped work 12 days, and hydraulic driving gear oil-well pump is not broken down;
2, go out oil yield, hydraulic driving gear oil-well pump has improved 15% than plunger oil-well pump;
3, power consumption: hydraulic driving gear oil-well pump has reduced by 33% than plunger oil-well pump power consumption.
Claims (3)
1. hydraulic driving gear oil-well pump, by taking over (1), lower contact (2), delivery connection (3) constitutes, delivery connection (3) is fixed on adapter (1) suitable for reading, it is characterized in that establishing oil hydraulic motor (4) at the chamber internal upper part of taking over (1), gear pump (5) is established in the bottom in the chamber of taking over (1), lower contact (2) is fixed on the lower end of gear pump (5), oil hydraulic motor rotatingshaft (6) is connected with the driving gear shaft (8) of gear pump (5) by coupling (7), the lower end flange plate of oil hydraulic motor (4) is fixed on the upper end of connecting body (10) by bolt (9), the upper cover plate of gear pump (5) is fixed on the lower end of connecting body (10), the last termination circulating pipe (11) of oil hydraulic motor (4) by corresponding bolts (9 ').
2. hydraulic driving gear oil-well pump according to claim 1, it is characterized in that described connecting body (10), by body (10a) and fixedly ear (10b) constitute, the intracavity diameter of body (10a) is than the big 4mm of outer diameter of coupling (7), the outer diameter of body (10a) can be 89mm, fixedly ear (10b) symmetry establishes four pairs, fixedly the outer wall of ear (10b) is an arcwall, its outer diameter is 132mm, consistent with the inner diameter of taking over (1), fixedly ear (10b) is fixed on the body (10a), on the outer wall of end opening, can be made as an integral body with body (10a), be oily passage (10c) between the adjacent fixed ear (10b), the height of connecting body (10) is 130mm.
3. hydraulic driving gear oil-well pump according to claim 1, it is characterized in that described gear pump (5), by frame (5a), upper cover plate (5b), bottom plate (5c), driving gear (5d), driven gear (5e), oil suction chamber (5f), going out oil pocket (5g) constitutes, the external thread diameter of frame (5a) is consistent with the internal thread diameter of adapter (1) and lower contact (2), the driving gear shaft (8) of driving gear (5d) is located at the center portion of frame (5a), with oil hydraulic motor rotatingshaft (6) on an axis, driven gear (5e) departs from the central axis of frame (5a), mesh with driving gear (5d), main, driven gear (5d, number of teeth 5e) is 14, main, driven gear (5d, centre distance 5e) is 42mm, the central shaft hole diameter is 22.8mm, main, driven gear (5d, 5e) engagement is rotated in Seal cage, oil suction chamber (5f), go out oil pocket (5g) and be half-cylindrical chamber, establish oil inlet hole (5m) on the bottom plate (5c) in oil suction chamber (5f), establish upper oil hole (5n) on the upper cover plate (5b) in going out oil pocket (5g), the outside thread of frame (5a) is rotatably connected with the internal thread of lower contact (2); Described delivery connection (3) also is fixed on adapter (1) suitable for reading with thread connecting mode rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100171452A CN100543303C (en) | 2007-09-17 | 2007-09-17 | Hydraulic driving gear oil-well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100171452A CN100543303C (en) | 2007-09-17 | 2007-09-17 | Hydraulic driving gear oil-well pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101126383A true CN101126383A (en) | 2008-02-20 |
| CN100543303C CN100543303C (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100171452A Active CN100543303C (en) | 2007-09-17 | 2007-09-17 | Hydraulic driving gear oil-well pump |
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| Country | Link |
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| CN (1) | CN100543303C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681424A (en) * | 2018-11-21 | 2019-04-26 | 大连华科机械有限公司 | Multistage-combination gear oil-well pump |
-
2007
- 2007-09-17 CN CNB2007100171452A patent/CN100543303C/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681424A (en) * | 2018-11-21 | 2019-04-26 | 大连华科机械有限公司 | Multistage-combination gear oil-well pump |
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| Publication number | Publication date |
|---|---|
| CN100543303C (en) | 2009-09-23 |
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Denomination of invention: Liquid driven gear oil well pump Effective date of registration: 20220125 Granted publication date: 20090923 Pledgee: Shandong Yingxin Financing Guarantee Co.,Ltd. Pledgor: SHANDONG WEIMA PUMPS MANUFACTURING Co.,Ltd. Registration number: Y2022370000015 |
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