CN105443082A - Linear motor drive and hydraulic driven oil pumping unit for oil extraction - Google Patents
Linear motor drive and hydraulic driven oil pumping unit for oil extraction Download PDFInfo
- Publication number
- CN105443082A CN105443082A CN201610016450.9A CN201610016450A CN105443082A CN 105443082 A CN105443082 A CN 105443082A CN 201610016450 A CN201610016450 A CN 201610016450A CN 105443082 A CN105443082 A CN 105443082A
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- electric motors
- linear electric
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- hydraulic
- pump
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- 238000000605 extraction Methods 0.000 title claims abstract description 15
- 238000005086 pumping Methods 0.000 title claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 78
- 239000010720 hydraulic oil Substances 0.000 claims description 30
- 238000011084 recovery Methods 0.000 claims description 23
- 239000002828 fuel tank Substances 0.000 claims description 20
- 239000010779 crude oil Substances 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 239000003129 oil well Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention relates to a linear motor drive and hydraulic driven oil pumping unit for oil extraction, which comprises well head equipment, an oil pipe, electric control equipment, a linear motor, a hydraulic power system and an oil extraction pump, wherein the well head equipment is connected with the linear motor through the oil pipe; the electric control equipment is used for controlling the linear motor and supplying power to the linear motor; the linear motor is arranged in a well and provides power for the hydraulic power system; the hydraulic power system can provide power for the oil extraction pump to do up-down reciprocating motion. The linear motor drive and hydraulic driven oil pumping unit for oil extraction has the beneficial effects of overcoming the technical defects of complex ground equipment, high one-time investment maintenance cost and poor adaptability.
Description
[technical field]
The present invention relates to a kind of oil recovery oil pumper, is that a kind of linear electric motors drive hydraulic driven oil recovery oil pumper in more detail.
[background technology]
In prior art, domestic and international oil gas field promotes the basic skills of underground crude oil, comprises the oil production method that the initial stage utilizes strata pressure blowing; After the initial stage, create external condition artificially, extract underground crude oil by supplementary stratum energy or employing dynamic power machine mode.
Wherein dynamic power machine mode is divided into substantially has rod-type recover the oil and recover the oil without rod-type.Rod-type oil recovery machiner is had to comprise: beam machine, chain making machine, conveyor, screw machine etc.; Have without rod pumping: waterpower, gaslift, electric submersible pump, underground screw pump etc.Wherein, rod beam-pumping unit is had to account for more than 95% of total amount.
(1) rod-type oil recovery present situation is had:
1, ground type screw pump oil production mode, screw pump to gassiness, comparatively strong containing the adaptive capacity of husky and certain viscous crude oil, but only adapts to lower-continuous mapping in the oil well of 1400 ~ 1600 meters at present.Oil well more than 1600 meters is also inapplicable, even if it is also bad to employ effect.
2, other have bar to recover the oil as common beam machine, chain making machine, conveyor, are all a used main force group of planes.Its intrinsic general character shortcoming must utilize in oil well to reach thousands of meters of sucker rod transferring energies, while extracting crude oil, sucker rod moves reciprocatingly in oil pipe, because its load is very large, so cause ground installation huge, a large amount of consumption steel and electric energy, and it is also large to take place, ground, transport is installed inconvenience more.
(2) without rod-type oil recovery present situation:
1, waterpower oil production method, general employing hydraulic piston pump or hydraulic jet pump.Because its ground installation is comparatively complicated, once investment and maintenance cost high, except special oil well needs, general few use.
2, gas-lift production mode, relates to ground installation complexity equally, and investment is large, and particularly gas energy utilization rate is low, does not generally adopt.
3, electric submersible pumping mode, eliminates sucker rod, and down-hole adopts power cable, is generally centrifugal multistage pump multiple centrifugal pump, and power of motor is large, consumes energy high, and it is few to be only applicable to aerogenesis, containing husky less and the low high-yield well of viscosity; And for a large amount of aerogenesis, containing stripper well in sand and heavy oil wells inapplicable, therefore can not to widely use.
4, underground screw pump oil production mode, eliminates sucker rod, and down-hole adopts power cable, to gassiness, more applicable containing sand, certain viscosity crude oil, but its jacking capacity shortcoming, domesticly at present still belongs to the development experimental stage.
In sum, oil production method of the prior art, all also exists ground installation complexity, once investment and maintenance cost is high and the technological deficiency of bad adaptability.
[summary of the invention]
The invention provides a kind of linear electric motors and drive hydraulic drive dynamical type oil recovery oil pumper, to overcome ground installation complexity, once to invest the technological deficiency of the high and bad adaptability of maintenance cost.
In order to solve above-mentioned technological deficiency, the technical scheme adopted is:
A kind of linear electric motors drive hydraulic driven oil recovery oil pumper, comprise wellhead assembly, oil pipe, control panel, linear electric motors, hydraulic power system and oil extraction pump; Described wellhead assembly connects described linear electric motors by described oil pipe, described control panel is also its power supply for controlling described linear electric motors, described linear electric motors are arranged in well, described linear electric motors provide power for described hydraulic power system, and described hydraulic power system can provide for described oil extraction pump the power pumped.
The invention has the beneficial effects as follows: adopt down-hole linear electric motors to be installed as the oil pumper of power source, solve of the prior artly have that rod-type oil recovery load is large, the defect of a large amount of wastes of the energy and consumptive material; Linear electric motors are arranged on down-hole and avoid the huge wellhead equipment of use simultaneously, greatly reduce maintenance cost, and strong adaptability.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described hydraulic power system comprises plunger displacement pump, fuel tank and hydraulic cylinder; Described plunger displacement pump provides power to carry out pumping by described linear electric motors and drives the hydraulic oil in fuel tank to do work to hydraulic cylinder by hydraulic oil pipeline.
The beneficial effect of above-mentioned further scheme is adopted to be: described linear electric motors are as a power source actuation plunger pump, plunger displacement pump drives hydraulic cylinder action by hydraulic oil pipeline, utilize hydraulic system, namely little plunger displacement pump drives large hydraulic cylinder, what utilize is Pascal's law, amplifies the power transmitted; Thus with the input of limited power, achieve and lifting is carried out to underground crude oil; Owing to have employed the hydraulic system of pascal's principle.Achieve the secondary enlarging function of power, through index measuring and calculating, have compared with rod beam-pumping unit with existing, at the same conditions, adopt linear electric motors in conjunction with hydraulic power system oil pumping scheme needed for rated power be only about 10% of oil pumper of the prior art, therefore energy-conservation fairly obvious.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described plunger displacement pump comprises upper plug pump and lower plunger pump, and described fuel tank comprises top tank and lower fuel tank; Described upper plug pump and described lower plunger pump provide power to pump by described linear electric motors, described upper plug pump drives the hydraulic oil in described top tank to do work to described hydraulic cylinder by hydraulic oil pipeline, and described lower plunger pump drives the hydraulic oil in described lower fuel tank to do work to described hydraulic cylinder by hydraulic oil pipeline; Described linear electric motors drive hydraulic driven oil recovery oil pumper also to comprise hydraulic valve assembly, and described hydraulic valve assembly comprises relief valve and the motor-driven reversing slide valve of two-position five-way; Described relief valve is arranged on hydraulic oil pipeline, for pressure release; The motor-driven reversing slide valve of described two-position five-way is also arranged on hydraulic oil pipeline, and the slide bar touching described two-position five-way motor-driven reversing slide valve when relying on the upper piston rod of described hydraulic cylinder to pump completes commutation action; By the commutation of the motor-driven reversing slide valve of described two-position five-way realize described linear electric motors move up and down time, ensure that described hydraulic cylinder is always in running order.
The beneficial effect of above-mentioned further scheme is adopted to be: the mover in linear electric motors connects upper plug pump and lower plunger pump simultaneously, no matter be that described mover moves upward or moves downward, upper plug pump and lower plunger pump work can both be driven, by described hydraulic valve assembly, hydraulic oil pipeline is commutated again, can ensure that hydraulic cylinder is always in running order, greatly energy-conservation.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described hydraulic cylinder has upper piston rod and lower piston rod; Described upper piston rod connects the motor-driven reversing slide valve of described two-position five-way, and described lower piston rod is for connecting described oil extraction pump.
It should be noted that, described upper piston rod is connected with the commutating structure of the motor-driven reversing slide valve of described two-position five-way, hydraulic cylinder after completing a working cycles just upper piston rod touch the commutating structure of the motor-driven reversing slide valve of described two-position five-way, achieve the change of hydraulic oil at flow direction, thus hydraulic cylinder action round about.
Adopt the beneficial effect of above-mentioned further scheme to be: to adopt the upper piston rod of the hydraulic cylinder of frame for movement to control the motor-driven reversing slide valve of described two-position five-way, control to compare automatically controlled operation more stable.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described upper plug pump and top tank are arranged on the upside of described linear electric motors, described lower plunger pump and lower fuel tank are arranged on the downside of described linear electric motors, the mover of described linear electric motors upwards connects the plunger of described upper plug pump, and the mover of described linear electric motors connects the plunger of described lower plunger pump downwards.
On the basis of technique scheme, the present invention can also do following improvement.
Further, the described oil pipe between described wellhead assembly and described top tank is also connected with one way valve and gate gurgle valve.
Adopt the beneficial effect of above-mentioned further scheme to be: one way valve prevents crude oil to flow backwards, all crude streams of gate gurgle valve protection oil pumper are threaded a pipe the danger destroyed from high pressure.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described control panel comprises transformer, switch board, junction box and cable; Described transformer is electrically connected with described switch board by described cable, and described switch board is electrically connected with described junction box by described cable, and described junction box is electrically connected with described linear electric motors by described cable.
The beneficial effect of above-mentioned further scheme is adopted to be: it is more stable that control panel controls linear electric motors.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described switch board is frequency converter, and described frequency converter has short circuit, overload, underload defencive function, and described frequency converter is by the speed of linear electric motors described in the frequency shift that changes alternating current.
The beneficial effect of above-mentioned further scheme is adopted to be: frequency converter can control linear electric motors soft start, reduce the number of starts of linear electric motors, can change in certain frequency simultaneously, control the linear electric motors speed of service, reach speed-regulating function, the application life of linear electric motors can be extended.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described linear electric motors are slip into below crude oil liquid level or be in the middle any position of crude oil liquid level to well head.
[accompanying drawing explanation]
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the flow chart of one embodiment of the present of invention.
Description of reference numerals is as follows:
1-wellhead assembly; 2-oil pipe; 3-control panel; 4-linear electric motors; 5-hydraulic power system; 6-oil extraction pump; 7-hydraulic valve assembly; 8-one way valve; 9-gate gurgle valve; 31-transformer; 32-switch board; 33-junction box; 34-cable; 51-plunger displacement pump; 52-fuel tank; 53-hydraulic cylinder; 511-upper plug pump; 512-lower plunger pump; 521-top tank; 522-lower fuel tank.
[detailed description of the invention]
For making the object, technical solutions and advantages of the present invention clearly, will be described in detail technical scheme of the present invention below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
As shown in Figure 1 and Figure 2, a kind of linear electric motors drive hydraulic driven oil recovery oil pumper, comprise wellhead assembly 1, oil pipe 2, control panel 3, linear electric motors 4, hydraulic power system 5 and oil extraction pump 6; Wellhead assembly 1 connects linear electric motors 4 by oil pipe 2, control panel 3 is also its power supply for controlling linear electric motors 4, linear electric motors 4 are arranged in well, and linear electric motors 4 provide power for hydraulic power system 5, and hydraulic power system 5 can provide for oil extraction pump 6 power pumped.
It should be noted that, wellhead assembly 1 is production tree of the prior art, tubing head and casing head.
Hydraulic power system 5 comprises plunger displacement pump 51, fuel tank 52 and hydraulic cylinder 53; Plunger displacement pump 51 provides power to carry out pumping by linear electric motors 4 and drives the hydraulic oil in fuel tank 52 to do work to hydraulic cylinder 53 by hydraulic oil pipeline.
Linear electric motors 4 are as a power source actuation plunger pump 51, plunger displacement pump 51 drives hydraulic cylinder 53 action by hydraulic oil pipeline, and utilize hydraulic system, namely little plunger displacement pump 51 drives large hydraulic cylinder 53, what utilize is Pascal's law, amplifies the power transmitted; Thus with the input of limited power, achieve and lifting is carried out to underground crude oil; Owing to have employed the hydraulic system of pascal's principle.Achieve the secondary enlarging function of power, through index measuring and calculating, have compared with rod beam-pumping unit with existing, at the same conditions, adopt linear electric motors 4 in conjunction with hydraulic power system 5 oil pumping scheme needed for rated power be only about 10% of oil pumper of the prior art, therefore energy-conservation fairly obvious.
Plunger displacement pump 51 comprises upper plug pump 511 and lower plunger pump 512, and fuel tank 52 comprises top tank 521 and lower fuel tank 522; Upper plug pump 511 and lower plunger pump 512 provide power to pump by linear electric motors 4, upper plug pump 511 drives the hydraulic oil in top tank 521 to do work to hydraulic cylinder 53 by hydraulic oil pipeline, and lower plunger pump 512 drives the hydraulic oil in lower fuel tank 522 to do work to hydraulic cylinder 53 by hydraulic oil pipeline; Linear electric motors drive hydraulic driven oil recovery oil pumper also to comprise hydraulic valve assembly 7, and hydraulic valve assembly 7 comprises relief valve and the motor-driven reversing slide valve of two-position five-way; Relief valve is arranged on hydraulic oil pipeline, for pressure release; The motor-driven reversing slide valve of two-position five-way is also arranged on hydraulic oil pipeline, and the slide bar touching two-position five-way motor-driven reversing slide valve when relying on the upper piston rod of hydraulic cylinder 53 to pump completes commutation action; By the commutation of the motor-driven reversing slide valve of two-position five-way realize linear electric motors 4 move up and down time, ensure hydraulic cylinder 53 always in running order.
Mover in linear electric motors 4 connects upper plug pump 511 and lower plunger pump 512 simultaneously, no matter be that mover moves upward or moves downward, upper plug pump 511 and lower plunger pump 512 can both be driven to work, commutated by hydraulic valve assembly 7 pairs of hydraulic oil pipelines again, can ensure that hydraulic cylinder 53 is always in running order, greatly energy-conservation.
Hydraulic cylinder 53 has upper piston rod and lower piston rod; Upper piston rod connects the motor-driven reversing slide valve of two-position five-way, and lower piston rod is for connecting oil extraction pump 6.
Upper piston rod is connected with the commutating structure of the motor-driven reversing slide valve of two-position five-way, hydraulic cylinder 53 after completing a working cycles just upper piston rod touch the commutating structure of the motor-driven reversing slide valve of two-position five-way, achieve the change of hydraulic oil at flow direction, thus hydraulic cylinder 53 action round about.
Adopt the upper piston rod of the hydraulic cylinder 53 of frame for movement to control the motor-driven reversing slide valve of two-position five-way, control to compare automatically controlled operation more stable.
Upper plug pump 511 and top tank 521 are arranged on the upside of linear electric motors 4, lower plunger pump 512 and lower fuel tank 522 are arranged on the downside of linear electric motors 4, the mover of linear electric motors 4 upwards connects the plunger of upper plug pump 511, and the mover of linear electric motors 4 connects the plunger of lower plunger pump 512 downwards.
Oil pipe 2 between wellhead assembly 1 and top tank 521 is also connected with one way valve 8 and gate gurgle valve 9.
One way valve 8 prevents crude oil to flow backwards, and gate gurgle valve 9 protects all crude streams of oil pumper to thread a pipe from the danger of high pressure destruction.
Control panel 3 comprises transformer 31, switch board 32, junction box 33 and cable 34; Transformer 31 is electrically connected with switch board 32 by cable 34, and switch board 32 is electrically connected with junction box 33 by cable 34, and junction box 33 is electrically connected with linear electric motors 4 by cable 34.
It is more stable that control panel 3 controls linear electric motors 4.
Switch board 32 is frequency converter, and frequency converter has short circuit, overload, underload defencive function, and frequency converter is by changing the speed of the frequency shift linear electric motors 4 of alternating current.
Frequency converter can control linear electric motors 4 soft start, reduces the number of starts of linear electric motors 4, can extend the application life of linear electric motors 4.
Linear electric motors 4 are for slipping into below crude oil liquid level or being in the middle any position of crude oil liquid level to well head.
The present invention is not limited to above-mentioned preferred forms; those of ordinary skill in the art can draw other various forms of products under enlightenment of the present invention; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (10)
1. linear electric motors drive hydraulic driven oil recovery oil pumper, it is characterized in that, comprise wellhead assembly (1), oil pipe (2), control panel (3), linear electric motors (4), hydraulic power system (5) and oil extraction pump (6); Described wellhead assembly (1) connects described linear electric motors (4) by described oil pipe (2), described control panel (3) for control described linear electric motors (4) and be its power supply, described linear electric motors (4) are arranged in well, described linear electric motors (4) provide power for described hydraulic power system (5), and described hydraulic power system (5) can provide for described oil extraction pump (6) power pumped.
2. linear electric motors according to claim 1 drive hydraulic driven oil recovery oil pumper, it is characterized in that, described hydraulic power system (5) comprises plunger displacement pump (51), fuel tank (52) and hydraulic cylinder (53); Described plunger displacement pump (51) is provided power to carry out pumping by described linear electric motors (4) and is driven by hydraulic oil pipeline the hydraulic oil in fuel tank (52) to do work to hydraulic cylinder (53).
3. linear electric motors according to claim 2 drive hydraulic driven oil recovery oil pumper, it is characterized in that, described plunger displacement pump (51) comprises upper plug pump (511) and lower plunger pump (512), and described fuel tank (52) comprises top tank (521) and lower fuel tank (522); Described upper plug pump (511) and described lower plunger pump (512) provide power to pump by described linear electric motors (4), described upper plug pump (511) drives the hydraulic oil in described top tank (521) to do work to described hydraulic cylinder (53) by hydraulic oil pipeline, and described lower plunger pump (512) drives the hydraulic oil in described lower fuel tank (522) to do work to described hydraulic cylinder (53) by hydraulic oil pipeline; Described linear electric motors (4) drive hydraulic driven oil recovery oil pumper also to comprise hydraulic valve assembly (7), and described hydraulic valve assembly (7) comprises relief valve and the motor-driven reversing slide valve of two-position five-way; Described relief valve is arranged on hydraulic oil pipeline, for pressure release; The motor-driven reversing slide valve of described two-position five-way is also arranged on hydraulic oil pipeline, and the slide bar touching described two-position five-way motor-driven reversing slide valve when relying on the upper piston rod of described hydraulic cylinder (53) to pump completes commutation action; By the commutation of the motor-driven reversing slide valve of described two-position five-way realize described linear electric motors (4) move up and down time, ensure that described hydraulic cylinder (53) is always in running order.
4. linear electric motors according to claim 3 drive hydraulic driven oil recovery oil pumper, and it is characterized in that, described hydraulic cylinder (53) has upper piston rod and lower piston rod; Described upper piston rod, for controlling the motor-driven reversing slide valve of described two-position five-way, realizes commutation action; Described lower piston rod is for connecting described oil extraction pump (6).
5. linear electric motors according to claim 3 drive hydraulic driven oil recovery oil pumper, it is characterized in that, described upper plug pump (511) and top tank (521) are arranged on the upside of described linear electric motors (4), described lower plunger pump (512) and lower fuel tank (522) are arranged on the downside of described linear electric motors (4), the mover of described linear electric motors (4) upwards connects the plunger of described upper plug pump (511), and the mover of described linear electric motors (4) connects the plunger of described lower plunger pump (512) downwards.
6. linear electric motors according to claim 5 drive hydraulic driven oil recovery oil pumper, it is characterized in that, the described oil pipe (2) between described wellhead assembly (1) and described top tank (521) is also connected with one way valve (8) and gate gurgle valve (9).
7. linear electric motors according to claim 1 drive hydraulic driven oil recovery oil pumper, it is characterized in that, described control panel (3) comprises transformer (31), switch board (32), junction box (33) and cable (34); Described transformer (31) is electrically connected with described switch board (32) by described cable (34), described switch board (32) is electrically connected with described junction box (33) by described cable (34), and described junction box (33) is electrically connected with described linear electric motors (4) by described cable (34).
8. linear electric motors according to claim 7 drive hydraulic driven oil recovery oil pumper; it is characterized in that; described switch board (32) is frequency converter; described frequency converter has short circuit, overload, underload defencive function, and described frequency converter is by the speed of linear electric motors (4) described in the frequency shift that changes alternating current.
9. linear electric motors according to claim 1 drive hydraulic driven oil recovery oil pumper, and it is characterized in that, described linear electric motors (4) are for slipping into below crude oil liquid level or being in the middle any position of crude oil liquid level to well head.
10. linear electric motors according to claim 1 drive hydraulic driven oil recovery oil pumper, it is characterized in that, the winding number of pole-pairs of described linear electric motors (4) is more than or equal to the even level of 60 grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016450.9A CN105443082B (en) | 2016-01-11 | 2016-01-11 | Linear electric motors drive hydraulic driven oil recovery oil pumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016450.9A CN105443082B (en) | 2016-01-11 | 2016-01-11 | Linear electric motors drive hydraulic driven oil recovery oil pumper |
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| Publication Number | Publication Date |
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| CN105443082A true CN105443082A (en) | 2016-03-30 |
| CN105443082B CN105443082B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610016450.9A Active CN105443082B (en) | 2016-01-11 | 2016-01-11 | Linear electric motors drive hydraulic driven oil recovery oil pumper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593847A (en) * | 2016-12-27 | 2017-04-26 | 中国船舶重工集团公司第七〇九研究所 | Downhole linear motor reciprocating type oil well pump test platform |
| CN107448175A (en) * | 2017-08-23 | 2017-12-08 | 唐伏平 | Pulling cable type submersible screw pump |
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| CN2695676Y (en) * | 2004-04-21 | 2005-04-27 | 王善政 | Electromagnetic driving device |
| CN101012740A (en) * | 2006-09-18 | 2007-08-08 | 袁德波 | Hydraulic oil pumping device |
| CN102758602A (en) * | 2012-07-12 | 2012-10-31 | 徐正国 | Concentric tube hydraulic piston drainage and extraction device and method for coal-bed gas well |
| WO2015096085A1 (en) * | 2013-12-26 | 2015-07-02 | 深圳市大族激光科技股份有限公司 | Oil-submersible linear motor oil extraction system |
| CN205297492U (en) * | 2016-01-11 | 2016-06-08 | 韩祥林 | Linear electric motor drive hydraulic drive formula is recovered oil and is used beam -pumping unit |
-
2016
- 2016-01-11 CN CN201610016450.9A patent/CN105443082B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2695676Y (en) * | 2004-04-21 | 2005-04-27 | 王善政 | Electromagnetic driving device |
| CN101012740A (en) * | 2006-09-18 | 2007-08-08 | 袁德波 | Hydraulic oil pumping device |
| CN102758602A (en) * | 2012-07-12 | 2012-10-31 | 徐正国 | Concentric tube hydraulic piston drainage and extraction device and method for coal-bed gas well |
| WO2015096085A1 (en) * | 2013-12-26 | 2015-07-02 | 深圳市大族激光科技股份有限公司 | Oil-submersible linear motor oil extraction system |
| CN205297492U (en) * | 2016-01-11 | 2016-06-08 | 韩祥林 | Linear electric motor drive hydraulic drive formula is recovered oil and is used beam -pumping unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593847A (en) * | 2016-12-27 | 2017-04-26 | 中国船舶重工集团公司第七〇九研究所 | Downhole linear motor reciprocating type oil well pump test platform |
| CN107448175A (en) * | 2017-08-23 | 2017-12-08 | 唐伏平 | Pulling cable type submersible screw pump |
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| Publication number | Publication date |
|---|---|
| CN105443082B (en) | 2018-03-20 |
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