CN102168541A - Linear driving device for oil and gas production - Google Patents
Linear driving device for oil and gas production Download PDFInfo
- Publication number
- CN102168541A CN102168541A CN2011101009480A CN201110100948A CN102168541A CN 102168541 A CN102168541 A CN 102168541A CN 2011101009480 A CN2011101009480 A CN 2011101009480A CN 201110100948 A CN201110100948 A CN 201110100948A CN 102168541 A CN102168541 A CN 102168541A
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- oil
- gas production
- pump
- sucker rod
- drive apparatus
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Abstract
The invention relates to a linear driving device for oil and gas production, belonging to drainage equipment in oil exploitation and coal bed methane exploitation. The device consists of a sucker rod, a dragging device and a submersible pump. The top end of a sleeve is fixedly provided with a pump frame, the upper end of the pump frame is coaxially vertically fixedly provided with a sliding rail, and a toothed plate is bound on the sucker rod at the axis position of the sliding rail. The dragging device consists of an output shaft of a motor with a gear case linked with a plate gear and the plate gear meshed with the toothed plate. An energy storage spring is located in the sliding rail at the upper end of the pump frame. The linear driving device for oil and gas production is characterized by effectively saving equipment cost, improving system efficiency, reducing energy consumption, enhancing environment protection and the like, and suitable for promotion and use in the fields of oil and coal bed methane exploitation, being an ideal substitute for the existing oil extractor. The device has the advantages of saving energy consumption, being low in manufacturing, transportation and mounting costs and few in quick-wear parts, prolonging service life, facilitating maintenance and repair and reducing operation cost.
Description
Technical field
The invention belongs to the extraction equipment of oil exploitation, coal-bed gas exploitation, particularly relate to a kind of oil recovery gas production linear drive apparatus.
Background technology
At present, widely used sucker-rod pumping device is one of traditional oil production method of petroleum industry, also is prevailing always artificial lift mode in the petroleum production engineering, and this device also is applied in the coal-bed gas exploitation.Sucker rod pumping comprises conventional sucker-rod pumping and screw pump oil production, and the both gives down-hole pump by oil pumper with the ground transmission of power; The former is that the reciprocating motion with the oil pumper suspension point passes to the down-hole plunger displacement pump by sucker rod, and the latter passes to subsurface progressive cavity with rotatablely moving of well head driving head by sucker rod.Conventional sucker-rod pumping device comprises the oil pumping system that oil pumper, sucker rod and oil well pump are formed.It utilizes the crank-link mechanism of oil pumper, and rotatablely moving of motor become pumping of polished rod, and the plunger that drives deep-well with sucker rod is pumped.Aspect oil exploitation and coal-bed gas exploitation, beam pumping unit remains the capital equipment of extraction, accounts for more than 90% of oil pumper total amount.But the beam pumping unit of technology maturation also has the comparatively serious defective that himself is difficult to overcome: the first, the volume of oil pumper own causes greatly that metal wastage is big, manufacturing cost is high, transportation and inconvenience is installed and installation footprint big; Second, owing to need long throw of crankshaft, throw of crankshaft is directly proportional with the reciprocating stroke of choosing mystery, and horse head one end of walking beam is generally less than crossbeam axle one end, adds that crankshaft balance weight and walking-beam counterweight consume the inertia force of displacement, moment of inertia, link motion component, the power that consumes in leverage power and self transmission process, account for more than 50% of power of motor, this has just caused, and pumping unit system efficient is low, power consumption is big, the cost for oil production height; The 3rd, beam-pumping unit adjust, safeguard and keep in repair all compare the difficulty.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art, and a kind of oil recovery gas production linear drive apparatus is provided.
Oil recovery gas production linear drive apparatus of the present invention is to be made of sucker rod, actuator and oil-immersed pump.Pump bracket has been fixed on top at sleeve pipe, and slide rail has been fixed in coaxial setting in the upper end of pump bracket, has bound tooth plate on the sucker rod of axis position in slide rail.Actuator is meshed with tooth plate by gear-box linkage gear dish, toothed disc by the output shaft of motor and constitutes.
As a further improvement on the present invention, seat has energy-storaging spring in the slide rail of the upper end of pump bracket.
As a further improvement on the present invention, described tooth plate is to fix with sucker rod by side's card.
As a further improvement on the present invention, the toothed disc and the tooth plate that is meshed all are immersed in the interior lubrication oil of casing.
As a further improvement on the present invention, oil-immersed pump is to be dragged by sucker rod in the sleeve pipe.
Oil recovery gas production linear drive apparatus of the present invention, can save equipment cost effectively, improve system effectiveness, save characteristics such as energy consumption, environmental enhancement close friend, be adapted at oil, promote the use of in the coal-bed gas exploitation field, be the existing desirable substitute of oil pumper, its advantage is mainly reflected in following aspect:
1, saves energy consumption, the power that rotatablely moves from motor input, export reciprocating power to tooth bar, only need advance engaged transmission through a wheel and rack, the machine driving route is short, efficient is high, has reduced autophage power, can save energy consumption more than 50%, improve mechanical efficiency and system effectiveness, thereby saved a large amount of energy;
2, manufacturing, transportation and installation cost are low.Huge, heavy with respect to traditional beam pumping unit profile, the present invention significantly reduced device fabrication the metal amount of expending, be convenient to the transportation and can directly be installed on well head rapidly, reduced the cost of production, transportation and installation;
3, few easy workout part, prolong application life; Be convenient to safeguard and maintenance, reduce running cost;
4, this installs available bolt and directly is installed on well head, does not need foundation constructions such as concrete and gravel pad, and the shaft mouth operation area is very little have been reduced the oil well environment requirements; Exquisite frame for movement is guaranteed the peace and quiet that operate steadily, and has also reduced the negative effect to the oil well surrounding environment.
Description of drawings
Figure of description is a structural representation of the present invention.
The specific embodiment
Oil recovery gas production linear drive apparatus of the present invention is to be made of sucker rod, actuator and oil-immersed pump.As shown in the figure, fixed pump bracket 2 on the top of sleeve pipe 1, slide rail 3 has been fixed in coaxial setting in the upper end of pump bracket 2, and seat has energy-storaging spring 9 in the slide rail 3 of the upper end of pump bracket 2, and the spring bottom is fixed in the annular slot at pump bracket top.In slide rail 3, bound tooth plate 5 on the sucker rod 4 of axis position; Actuator is meshed with tooth plate 5 by gear-box 7 linkage gear dishes 8, toothed disc 8 by the output shaft of motor 6 and constitutes, and directly drives the oil pumping polish rod that connected by toothed disc rectilinear motion up and down.The toothed disc 8 and the tooth plate 5 that is meshed all are immersed in the lubrication oil in the casing 11, make toothed disc obtain sufficient lubrication along the whole stroke that tooth plate moves in oil cylinder.Tooth plate 5 is to fix with sucker rod 4 by side's card 10.Wherein, the oil-immersed pump in sleeve pipe 1 12 is to be dragged by sucker rod 4.
Oil recovery gas production linear drive apparatus of the present invention, its course of work (is example with the oil exploitation) is as follows: preset toothed disc last bottom dead centre and power input to machine, determine motor speed, utilize the DSP servo-driver, according to preset value accurately calculate and the control gear dish on line time, reducer is connected with output gear by driving shaft, output gear and the tooth plate engagement that is fixed on the oil pumping polish rod.During upstroke, the operation of motor forward is slowed down via reducer, output gear is also done the forward operation, the toothed disc that is meshed with output gear is upwards done rectilinear motion, and this moment, energy-storaging spring was also stretched upwards by contraction state, moved upward with the energy boosting toothed disc that it was discharged.Oil pumping polish rod is done with toothed disc and is moved upward, and it is up to drive underground oil-immersed pump, and the managed internal pressure of travelling valve is closed, the pump internal pressure reduces, standing valve is opened under the effect of the difference of pump intake pressure and pump internal pressure, and liquid enters in the pump, and well head is discharged the liquid that plunger is abdicated the pump barrel volume simultaneously.When toothed disc ran to top dead-centre, motor changed rotation direction, and the beginning inverted running moves downward bottom dead centre with same rotating speed drive gear disk, and oil rig enters down stroke.During down stroke, toothed disc moves downwards, oil pumping polish rod is done with tooth plate to be moved downward, and it is descending to drive oil-immersed pump, and standing valve cuts out, and plunger continues descending, the pump internal pressure continues to raise, when the pump internal pressure surpassed the oil pipe internal pressure, the interior liquid of pump promptly backed down travelling valve and enters in the oil pipe, and oil rig is finished a stroke operation.Like this, by motor just/inverted running driven gear dish and oil pumping polish rod do and pump, in plunger constantly moved up and down, standing valve and travelling valve were also constantly alternately closed and are opened, make the interior liquid level of oil pipe constantly rise, until well head enters flow line.
Claims (5)
1. oil recovery gas production linear drive apparatus, be to constitute by sucker rod, actuator and oil-immersed pump, it is characterized in that having fixed pump bracket (2) on the top of sleeve pipe (1), fix slide rail (3) in the coaxial setting in the upper end of pump bracket (2), in slide rail (3), bound tooth plate (5) on the sucker rod (4) of axis position; Actuator by the output shaft of motor (6) by gear-box (7) linkage gear dish (8), toothed disc (8) formation that is meshed with tooth plate (5).
2. oil recovery gas production linear drive apparatus as claimed in claim 1 is characterized in that the interior seat of slide rail (3) of the upper end of pump bracket (2) has energy-storaging spring (9).
3. oil recovery gas production linear drive apparatus as claimed in claim 1 is characterized in that tooth plate (5) is to fix by square card (10) and sucker rod (4).
4. oil recovery gas production linear drive apparatus as claimed in claim 1 is characterized in that toothed disc (8) and the tooth plate that is meshed (5) all are immersed in the interior lubrication oil of casing (11).
5. as claim 1 or 2 or 3 or 4 described oil recovery gas production linear drive apparatus, the oil-immersed pump (12) that it is characterized in that sleeve pipe (1) is to be dragged by sucker rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101009480A CN102168541A (en) | 2011-04-21 | 2011-04-21 | Linear driving device for oil and gas production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101009480A CN102168541A (en) | 2011-04-21 | 2011-04-21 | Linear driving device for oil and gas production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102168541A true CN102168541A (en) | 2011-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101009480A Pending CN102168541A (en) | 2011-04-21 | 2011-04-21 | Linear driving device for oil and gas production |
Country Status (1)
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| CN (1) | CN102168541A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370246A (en) * | 2014-08-07 | 2016-03-02 | 百米马（天津）有限公司 | A motor reciprocating drive linear pumping machine |
| CN107036670A (en) * | 2017-06-16 | 2017-08-11 | 成都市九运机电科技有限责任公司 | A kind of diaphragm gas meter, the method and mechanism of locking diaphragm gas meter motion |
| CN109471175A (en) * | 2018-12-20 | 2019-03-15 | 上海交通大学 | A kind of self-propelled well geophone |
| CN110924902A (en) * | 2019-12-12 | 2020-03-27 | 中国石油化工股份有限公司 | Gear suspension gear drive load balance type oil pumping machine |
| CN114016960A (en) * | 2021-09-28 | 2022-02-08 | 大庆师范学院 | Oil pumping machine energy-saving control system based on computer control |
| CN114837623A (en) * | 2022-05-05 | 2022-08-02 | 陈跃 | Oil extraction device and method based on rod track pump |
| CN117231178A (en) * | 2023-11-16 | 2023-12-15 | 山东兴达环保科技有限责任公司 | Wisdom oil recovery system draw gear |
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| US3741686A (en) * | 1971-05-13 | 1973-06-26 | E Smith | Self resonant drive for deep well pump |
| US4836497A (en) * | 1988-03-08 | 1989-06-06 | Johnson Controls, Inc. | Adjustable valve linkage |
| CN1134500A (en) * | 1995-04-26 | 1996-10-30 | 山东省寿光市石油机械厂 | Hollow sucker rod oil production method and its equipment |
| US20070286750A1 (en) * | 2006-06-12 | 2007-12-13 | Unico, Inc. | Linear Rod Pump Apparatus And Method |
| CN201621047U (en) * | 2010-01-18 | 2010-11-03 | 大庆森恩浦机械制造有限公司 | Straight line driving pump |
| CN202000976U (en) * | 2011-04-21 | 2011-10-05 | 大庆百米马流体控制系统有限公司 | Linear drive device for petroleum and gas exploitation |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3741686A (en) * | 1971-05-13 | 1973-06-26 | E Smith | Self resonant drive for deep well pump |
| US4836497A (en) * | 1988-03-08 | 1989-06-06 | Johnson Controls, Inc. | Adjustable valve linkage |
| CN1134500A (en) * | 1995-04-26 | 1996-10-30 | 山东省寿光市石油机械厂 | Hollow sucker rod oil production method and its equipment |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370246A (en) * | 2014-08-07 | 2016-03-02 | 百米马（天津）有限公司 | A motor reciprocating drive linear pumping machine |
| CN107036670A (en) * | 2017-06-16 | 2017-08-11 | 成都市九运机电科技有限责任公司 | A kind of diaphragm gas meter, the method and mechanism of locking diaphragm gas meter motion |
| CN109471175A (en) * | 2018-12-20 | 2019-03-15 | 上海交通大学 | A kind of self-propelled well geophone |
| CN109471175B (en) * | 2018-12-20 | 2024-05-07 | 上海交通大学 | Self-propelled downhole detector |
| CN110924902A (en) * | 2019-12-12 | 2020-03-27 | 中国石油化工股份有限公司 | Gear suspension gear drive load balance type oil pumping machine |
| CN114016960A (en) * | 2021-09-28 | 2022-02-08 | 大庆师范学院 | Oil pumping machine energy-saving control system based on computer control |
| CN114016960B (en) * | 2021-09-28 | 2023-06-06 | 大庆师范学院 | Pumping unit energy-saving control system based on computer control |
| CN114837623A (en) * | 2022-05-05 | 2022-08-02 | 陈跃 | Oil extraction device and method based on rod track pump |
| CN114837623B (en) * | 2022-05-05 | 2023-08-29 | 陈跃 | Oil extraction device and method based on rod rail pump |
| CN117231178A (en) * | 2023-11-16 | 2023-12-15 | 山东兴达环保科技有限责任公司 | Wisdom oil recovery system draw gear |
| CN117231178B (en) * | 2023-11-16 | 2024-01-09 | 山东兴达环保科技有限责任公司 | Wisdom oil recovery system draw gear |
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Application publication date: 20110831 |