CN103806877A - Low air-balancing ultra-long stroke oil pumping device - Google Patents
Low air-balancing ultra-long stroke oil pumping device Download PDFInfo
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- CN103806877A CN103806877A CN201210459159.0A CN201210459159A CN103806877A CN 103806877 A CN103806877 A CN 103806877A CN 201210459159 A CN201210459159 A CN 201210459159A CN 103806877 A CN103806877 A CN 103806877A
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- reduction box
- low pressure
- energy storage
- high pressure
- storage bag
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Abstract
The invention discloses a low air-balancing ultra-long stroke oil pumping device, comprising a driving motor, a first speed reduction box, a second speed reduction box, a high pressure hydraulic cylinder, a low pressure hydraulic cylinder, a high pressure energy storage bag and a low pressure energy storage bag, wherein the driving motor is connected to the input shaft end of the first speed reduction box through a belt and a belt wheel, one end of an output shaft of the first speed reduction box is connected to the input shaft end of the second speed reduction box, the other end of the output shaft of the first speed reduction box is connected to a bi-directional hydraulic motor, the bi-directional hydraulic motor is respectively connected with the high pressure hydraulic cylinder and the low pressure hydraulic cylinder through a high pressure pipeline and a low pressure pipeline, the high pressure hydraulic cylinder is connected with the high pressure energy storage bag, the low pressure hydraulic cylinder is connected with the low pressure energy storage bag, the output shaft end of the second speed reduction box is connected with a driving roller, and the driving roller is wound with a steel wire rope connected to an underground oil pumping rod. Liquid lubrication sealing is realized by an air-balancing system, the problem that air seal elements easily lose effectiveness is solved, and the sealing life is obviously prolonged; ultra-long stroke lifting is carried out in a manner that the steel wire rope winds the driving roller, the overall height of an oil pumping machine is lowered, accordingly the oil pumping machine is compact in structure, and the goal of convenience in transporting and installation is achieved.
Description
Technical field
The present invention relates to oil rig, specifically a kind of ground short gas balance ultra-long-stroke oil rig for oil exploitation.
Background technology
At present, the most of oil fields of China have entered the tail period stage, and crude oil water content constantly rises, and well fluid level declines gradually, side-abrasion of rod string seriously corroded, and cost for oil production is corresponding raising also.Common beam oil pumper is subject to the restriction of transmission device gearratio, generally adopts short stroke, the fast jig frequency mode of production to recover the oil, and cannot meet the requirement that hyposmosis, stripper well are taken out deeply to long stroke, low jig frequency.Blue elephant is subject to the object that bracket height restriction is also difficult to realize long stroke, low jig frequency.
In view of this,, for the problems referred to above, propose a kind of reasonable in design and effectively improve the short gas balance ultra-long-stroke oil rig of above-mentioned disappearance.
Summary of the invention
The object of the present invention is to provide short gas balance ultra-long-stroke oil rig, have energy-efficient, improve system condition, be applicable to the advantages such as deep well and thickened oil recovery, can reduce running cost, improve the economic benefit of oil field development.
In order to reach above-mentioned purpose, the invention provides following technical scheme, short gas balance ultra-long-stroke oil rig, comprise drive motors, the first reduction box, the second reduction box, high pressure fluid cylinder, low pressure fluid cylinder, high-voltage energy storage bag, low pressure energy storage bag, described drive motors is connected to the input shaft end of the first reduction box by belt and belt pulley, the output shaft of described the first reduction box wherein one end is connected to the input shaft end of the second reduction box, the other end connects two-way fluid motor, and two-way fluid motor is connected with low pressure fluid cylinder with high pressure fluid cylinder respectively with low-pressure line by high pressure line, and high pressure fluid cylinder is connected with low pressure energy storage bag with high-voltage energy storage bag respectively with low pressure fluid cylinder, the output shaft end of described the second reduction box is connected with driving rolls, this driving rolls is wound with the wire rope that is connected to underground sucker rod.
Also comprise brake gear, described brake gear is arranged on the base of drive motors one side.
Described driving rolls is fixed on base by bearing support.
Described drive motors, the first reduction box, the second reduction box, high pressure fluid cylinder, low pressure fluid cylinder, high-voltage energy storage bag, low pressure energy storage Bao Jun are located and are fixed on base.
Compared to prior art, the invention has the beneficial effects as follows:
Adopt fluid cylinder balance energy-storage system, traditional cylinder hermetic seal is become to hydraulic way sealing gas, realized liquid lubrication and seal, solved the easy Problem of Failure of hermetic seal element, the sealing life of significant prolongation gas balance sysmte;
Realize ultra-long-stroke lifting by roller lay winding wire ropes, reduced oil pumper whole height, make Pumping Unit compactness, convenient on-the-spot transportation, the object of installing;
Two-way hydraulic motor mechanical efficiency is high, and leakage is few, and reliability is high.
Accompanying drawing explanation
Fig. 1 is the structural front view of short gas balance ultra-long-stroke oil rig of the present invention;
Fig. 2 is the structure top view of short gas balance ultra-long-stroke oil rig of the present invention.
In figure: 1, the second reduction box; 2, driving rolls; 3, bearing support; 4, wire rope; 5, base; 6, two-way fluid motor; 7, the first reduction box; 8, belt pulley; 9, brake gear; 10, driving belt; 11, drive motors; 12, high pressure line; 13, low-pressure line; 14, high pressure fluid cylinder; 15, low pressure fluid cylinder; 16, low pressure energy storage bag; 17, high-voltage energy storage bag.
The specific embodiment
Relevant detailed description of the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides the use of reference with explanation, is not used for the present invention to be limited.
Shown in Fig. 1 and Fig. 2, short gas balance ultra-long-stroke oil rig, comprise drive motors 11, the first reduction box 7, the second reduction box 1, high pressure fluid cylinder 14, low pressure fluid cylinder 15, drive motors 11 is connected to the input shaft end of the first reduction box by driving belt 10 and belt pulley 8, the output shaft of the first reduction box 7 wherein one end is connected to the input shaft end of the second reduction box 1, the other end connects two-way fluid motor 6, and two-way fluid motor is connected with low pressure fluid cylinder 15 with high pressure fluid cylinder 14 respectively with low-pressure line 13 by high pressure line 12, high pressure fluid cylinder 14 is connected with high-voltage energy storage bag 17, low pressure fluid cylinder 15 is connected with low pressure energy storage bag 16, the output shaft end of the second reduction box is connected with driving rolls 2, this driving rolls is wound with the wire rope 4 that is connected to underground sucker rod.Also comprise brake gear 9, brake gear is arranged on the base 5 of drive motors one side.Driving rolls 2 is fixed on base 5 by bearing support 3.Drive motors, the first reduction box, the second reduction box, high pressure fluid cylinder, low pressure fluid cylinder, high-voltage energy storage bag, low pressure energy storage Bao Jun are located and are fixed on base 5.
The bearing support driving that is connected with base, driving rolls is fixed on base by bearing support, drive motors connects the first reduction box, first reduction gearbox output shaft one end is connected with the second reduction box input shaft, the other end is connected with two-way fluid motor, the second reduction gearbox output shaft is connected with driving rolls, and the wire rope being wrapped on driving rolls is connected realization oil pumping with underground sucker rod, and two-way fluid motor is connected and realizes balance with high pressure fluid cylinder and low pressure fluid cylinder respectively with low-pressure line by high pressure line.
The foregoing is only preferred embodiment of the present invention, non-in order to limit the scope of the claims of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (5)
1. short gas balance ultra-long-stroke oil rig, it is characterized in that, comprise drive motors, the first reduction box, the second reduction box, high pressure fluid cylinder, low pressure fluid cylinder, high-voltage energy storage bag, low pressure energy storage bag, described drive motors is connected to the input shaft end of the first reduction box by belt and belt pulley, the output shaft of described the first reduction box wherein one end is connected to the input shaft end of the second reduction box, the other end connects two-way fluid motor, and two-way fluid motor is connected with low pressure fluid cylinder with high pressure fluid cylinder respectively with low-pressure line by high pressure line, and high pressure fluid cylinder is connected with low pressure energy storage bag with high-voltage energy storage bag respectively with low pressure fluid cylinder, the output shaft end of described the second reduction box is connected with driving rolls, this driving rolls is wound with the wire rope that is connected to underground sucker rod.
2. short gas balance ultra-long-stroke oil rig according to claim 1, is characterized in that, also comprises brake gear.
3. short gas balance ultra-long-stroke oil rig according to claim 2, is characterized in that, described brake gear is arranged on the base of drive motors one side.
4. short gas balance ultra-long-stroke oil rig according to claim 1, is characterized in that, described driving rolls is fixed on base by bearing support.
5. short gas balance ultra-long-stroke oil rig according to claim 1, it is characterized in that, described drive motors, the first reduction box, the second reduction box, high pressure fluid cylinder, low pressure fluid cylinder, high-voltage energy storage bag, low pressure energy storage Bao Jun are located and are fixed on base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210459159.0A CN103806877A (en) | 2012-11-15 | 2012-11-15 | Low air-balancing ultra-long stroke oil pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210459159.0A CN103806877A (en) | 2012-11-15 | 2012-11-15 | Low air-balancing ultra-long stroke oil pumping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103806877A true CN103806877A (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210459159.0A Pending CN103806877A (en) | 2012-11-15 | 2012-11-15 | Low air-balancing ultra-long stroke oil pumping device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631918A (en) * | 1984-12-21 | 1986-12-30 | Dynamic Hydraulic Systems, Inc. | Oil-well pumping system or the like |
| CN2046542U (en) * | 1989-04-04 | 1989-10-25 | 淄博市机械研究所 | Compound wheel type beam-pumping unit |
| CN1067483A (en) * | 1992-06-20 | 1992-12-30 | 王书民 | Combined-acting wheel pull-rod type pumping unit |
| CN2189218Y (en) * | 1994-01-27 | 1995-02-08 | 浙江大学 | Hydraulic oil pumping machine |
| CN101555781A (en) * | 2008-04-10 | 2009-10-14 | 姚敏 | Pin tooth transmission long-stroke oil extractor |
| RU2459983C1 (en) * | 2011-02-28 | 2012-08-27 | Общество с ограниченной ответственностью "Пермская нефтяная инжиниринговая компания" | Hydraulic actuator of lifting device |
| CN202914050U (en) * | 2012-11-15 | 2013-05-01 | 中国石油化工股份有限公司 | Low-type air balancing over-length stroke oil pumping device |
-
2012
- 2012-11-15 CN CN201210459159.0A patent/CN103806877A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631918A (en) * | 1984-12-21 | 1986-12-30 | Dynamic Hydraulic Systems, Inc. | Oil-well pumping system or the like |
| CN2046542U (en) * | 1989-04-04 | 1989-10-25 | 淄博市机械研究所 | Compound wheel type beam-pumping unit |
| CN1067483A (en) * | 1992-06-20 | 1992-12-30 | 王书民 | Combined-acting wheel pull-rod type pumping unit |
| CN2189218Y (en) * | 1994-01-27 | 1995-02-08 | 浙江大学 | Hydraulic oil pumping machine |
| CN101555781A (en) * | 2008-04-10 | 2009-10-14 | 姚敏 | Pin tooth transmission long-stroke oil extractor |
| RU2459983C1 (en) * | 2011-02-28 | 2012-08-27 | Общество с ограниченной ответственностью "Пермская нефтяная инжиниринговая компания" | Hydraulic actuator of lifting device |
| CN202914050U (en) * | 2012-11-15 | 2013-05-01 | 中国石油化工股份有限公司 | Low-type air balancing over-length stroke oil pumping device |
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Application publication date: 20140521 |