CN201661282U - Hydraulic energy-saving multi-well oil pumping unit - Google Patents

Hydraulic energy-saving multi-well oil pumping unit Download PDF

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Publication number
CN201661282U
CN201661282U CN2010201730441U CN201020173044U CN201661282U CN 201661282 U CN201661282 U CN 201661282U CN 2010201730441 U CN2010201730441 U CN 2010201730441U CN 201020173044 U CN201020173044 U CN 201020173044U CN 201661282 U CN201661282 U CN 201661282U
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hydraulic
cylinder
hydraulic cylinder
pipeline
energy
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Expired - Fee Related
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CN2010201730441U
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Chinese (zh)
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陈万仁
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陈万仁
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Abstract

A hydraulic energy-saving multi-well oil pumping unit comprises a hydraulic system, automatic reversing valves, a connector of an oil well pumping rod, a switch board and connecting pipelines, wherein at least two hydraulic cylinders are connected with a hydraulic pump via the connecting pipelines; each hydraulic cylinder adopts a difunctional hydraulic cylinder; the automatic reversing valves are arranged on both the inlet pipeline and the outlet pipeline of the hydraulic pump; push-down feed cylinders of pistons of the difunctional hydraulic cylinders are communicated; a push-up feed cylinder of each hydraulic cylinder is divided into two relatively-balanced parts, which are connected with the automatic reversing valves via the pipelines and are communicated with the inlet and outlet pipelines at two ends of the hydraulic pump via the pipelines; and the connector connected with the oil well pumping rod is arranged at the lower ends of lower piston rods of the hydraulic cylinders. With the characteristic of low manufacturing cost, the utility model provides powerful support for the popularization of the energy-saving technology for oilfield exploitation, and as compared with the traditional beam-pumping units, saves steel materials by 40-90 percent and energy by 30-70 percent, with the stroke of 0-8 m and the frequency of stroke of 1-20 times.

Description

The hydraulic energy-saving multiple well pumping unit
Technical field
The utility model belongs to the oil pumper of oil exploration equipment, relates in particular to hydraulic energy-accumulating formula oil pumper.
Background technology
Traditional oil pumper has simple in structure, durable advantage, but, traditional oil pumper is the Purely mechanical motion, need be from balancing, its balance is to rely on heavy mechanical balance, the big Heavy Weight of equipment volume, start that inertia is big, power consumption is high, in service can only according to certain, the parameter of malleable (as stroke, jig frequency etc.) is not finished its working cycles.Ground installation and underground equipment are difficult to reach rational coordination.In order to cut down the consumption of energy, number of patent application is to have disclosed a kind of intelligent power saving hydraulic pressure inner equilibrium sisters well oil pumper in the patent application of ZL200920032400.5, this structure can be utilized the energy in the adjacent well rod decline process, has played the effect that cuts down the consumption of energy; But this equipment can only be used for sisters' well, and the heavy wool well can't use, and the traditional horse head suspension strut of equipment employing, and equipment is huge, the fabricating cost height.Number of patent application is to have disclosed a kind of multi-cylinder combined type full-balanced hydraulic oil pumping unit again in the patent application of ZL200920300405.1, and this structure can be used in a plurality of oil wells; And utilized hydraulic technique, reduced the energy loss of motion process, but still need adopt some heavy mechanical balances in this equipment, not only equipment is various, and has wasted a large amount of metal material, and the product cost is increased.
The utility model content
The purpose of this utility model is: provide a kind of volume little, compact conformation, save the oil pumper energy and that can be used for a plurality of oil wells.
In order to achieve the above object by the following technical solutions: a kind of hydraulic energy-saving multiple well pumping unit: comprise hydraulic system, automatic reverse valve, oil well oil-pumping rod connector, switch board, connecting pipe, have at least two hydraulic cylinders to link to each other with a cover hydraulic pump by connecting pipe, every hydraulic cylinder all is the double-acting type hydraulic cylinder, on the import and export pipeline of hydraulic pump the automatic reverse valve is installed all, the following propulsion cylinder of each double-acting type hydraulic cylinder piston is connected; The last propulsion cylinder of hydraulic cylinder is divided into two parts of relative equilibrium, and each part links to each other with the automatic reverse valve by pipeline, is connected by the pipeline of pipeline with the import and export at hydraulic pump two ends again; There is the connector that is connected with well rod the lower piston rod lower end of hydraulic cylinder piston bottom; The switch board that links to each other with power line is connected with hydraulic pump, automatic reverse valve by control line and power supply wire harness.
The following hydraulic pressure propulsion cylinder of each double-acting type hydraulic cylinder is connected by pipeline and hydraulic medium liquid collecting, knockout.
The hydraulic pressure propulsion cylinder of each double-acting type hydraulic cylinder piston bottom is connected by pipeline.
The hydraulic cylinder of described hydraulic system is single-piston rod formula double-acting type hydraulic cylinder or double-piston rod-type double-acting type hydraulic cylinder.
On the hydraulic pump of described hydraulic system and the pipeline that entrance point is communicated with liquid supplementation pipe and fluid infusion jar are housed.
Described automatic reverse valve is electro-hydraulic reversing valve or electro hydraulic valve or motor operated valve.
The utility model purpose is achieved through the following technical solutions:
The utility model is a characteristic of having utilized hydraulic energy-accumulating, the utilization hydraulic circuit operates steadily, characteristic of low energy consumption, a kind of volume of developing is little, compact conformation, be convenient to installed device, this sucker rod links to each other with piston rod by the sucker rod connector of piston rod bottom, hydraulic medium commutation by automatic diverter valve under the driving of hydraulic pump is directly advanced, go out in the hydraulic pressure propulsion cylinder of hydraulic piston both sides, effect lower piston rod formation at hydraulic medium pumps, the drive sucker rod is done and is pumped, drive the plunger displacement pump work of oil well bottom, crude oil fluid pump is arrived ground.Pass through appropriate design, the energy of a part of well rod decline process is directly passed to other a part of oil well by hydraulic system, be used to overcome the energy of the sucker rod that institute when promoting crude oil must lifting, the energy that promotes the energy of crude oil fluid and overcome the consumption of process frictional resistance is provided by hydraulic system, realizes that many in many wells have the energy-saving run of rod beam-pumping unit.This machine is applicable to the lifting, particularly ultradeep well of various types of clumps of formula oil well crude oil, big discharge capacity oil well, batch (-type) oil well, heavy crude well, offshore platform oil well, oblique straight well etc.Can realize, compare with traditional beam-pumping unit and save steel 40%~90%; Energy-conservation: 30~70%; Stroke exists: 0~8 meter; Jig frequency exists: between 1~20 time.This equipment also has the characteristics of low cost of manufacture, for the popularization of oilfield exploitation power-saving technology provides strong support.
Description of drawings
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2;
Fig. 3 is the structural representation of embodiment 3;
Fig. 4 is the structural representation of embodiment 4;
Fig. 5 is the structural representation of embodiment 5.
The specific embodiment
Embodiment 1: the hydraulic energy-saving multiple well pumping unit in the present embodiment, comprise hydraulic system, automatic reverse valve, oil well oil-pumping rod connector, switch board, connecting pipe, two corresponding single-piston rod double-acting type hydraulic cylinders 1 and 1a are arranged in hydraulic system, piston 2 and piston 2a are housed respectively in hydraulic cylinder 1 and 1a, and the bottom of piston 2 and piston 2a is fixed with lower piston rod 3 and lower piston rod 3a respectively; In hydraulic cylinder 1, the hydraulic cylinder of piston more than 2 partly is called propulsion cylinder 4, and the hydraulic cylinder of piston below 2 partly is called propulsion cylinder 5 down; In another hydraulic cylinder 1a, the above hydraulic cylinder of piston 2a partly is called propulsion cylinder 4a, and the following hydraulic cylinder of piston 2a partly is called propulsion cylinder 5a down; Pedestal 18 links to each other with the bottom of hydraulic cylinder 1, and pedestal 18a links to each other with the bottom of hydraulic cylinder 1a.There is the connector 22 that is connected with well rod the lower end of the lower piston rod 3 in the hydraulic cylinder 1; There is the connector 22a that is connected with well rod the lower end of lower piston rod 3a among the hydraulic cylinder 1a; With on the pipeline that the import of hydraulic pump 13 is connected automatic reverse valve 11 is installed, and on the pipeline that the outlet of hydraulic pump 13 is connected automatic reverse valve 12 is installed.Promptly going up pipe 14 that propulsion cylinder 4 is connected with hydraulic cylinder 1 top in these two the corresponding single-piston rod double-acting type hydraulic cylinders then is connected with an end of hydraulic pump 13 by the pipeline 15 that links to each other with automatic reverse valve 11 with the pipe 6 of hydraulic pump 13 connections earlier with after the automatic reverse valve 11 of hydraulic pump 13 1 ends is connected again; With another hydraulic cylinder 1a top in these two the corresponding single-piston rod double-acting type hydraulic cylinders promptly go up pipe 9 that propulsion cylinder 4a is connected earlier with the pipeline 8 that links to each other with this automatic reverse valve 12 again after the automatic reverse valve 12 of hydraulic pump 13 other ends is connected and with pipe 7 connections of hydraulic pump 13 other ends connection after be connected with the other end of hydraulic pump 13 again; Another pipe 17 that links to each other with the automatic reverse valve 11 of hydraulic pump 13 1 ends also is connected with the pipe 7 that hydraulic pump 13 other ends are communicated with; The pipeline 16 that is connected with the automatic reverse valve 12 of hydraulic pump 13 other ends links to each other with pipeline 15.
Following propulsion cylinder 5 in the hydraulic cylinder 1 is connected by pipeline 10 with following propulsion cylinder 5a among the hydraulic cylinder 1a.The switch board 20 that links to each other with power line 19 is connected with hydraulic pump 13, electro-hydraulic reversing valve door 11,12 by control line and power supply wire harness 21.
Embodiment 2: the structure of present embodiment be with pipeline 6 that hydraulic pump 13 entrance points are connected on liquid supplementation pipe 24 and fluid infusion jar 23 are housed.Other structure is identical with embodiment 1.
Embodiment 3: the hydraulic cylinder in the present embodiment is a double-piston rod-type double-acting type hydraulic cylinder, and piston 2 tops in the hydraulic cylinder 1 in the present embodiment are fixed with piston rod 25; Piston 2a top in hydraulic cylinder 1a is fixed with piston rod 25a.Other structure is identical with embodiment 2.
Embodiment 4: present embodiment is to adopt four electro hydraulic valves (motor operated valve) 11,11a, 12,12a to realize the compressed media commutation on two automatic reverse valves 11,12.Other structure is identical with embodiment 3.
Embodiment 5: have 1 in the present embodiment, 1c, 1a and four corresponding double piston-rod double-acting type hydraulic cylinders of 1d, piston 2 and piston 2a are housed respectively in hydraulic cylinder 1 and 1a, the bottom of piston 2 and piston 2a is fixed with lower piston rod 3 and lower piston rod 3a respectively; The top of piston 2 and piston 2a is fixed with upper piston rod 25 and upper piston rod 25a respectively; In hydraulic cylinder 1, the hydraulic cylinder of piston more than 2 partly is called propulsion cylinder 4, and the hydraulic cylinder of piston below 2 partly is called propulsion cylinder 5 down; In hydraulic cylinder 1a, the above hydraulic cylinder of piston 2a partly is called propulsion cylinder 4a, and the following hydraulic cylinder of piston 2a partly is called propulsion cylinder 5a down; Pedestal 18 links to each other with the bottom of hydraulic cylinder 1, and pedestal 18a links to each other with the bottom of hydraulic cylinder 1a.Piston 2c and piston 2d are housed respectively in hydraulic cylinder 1c and 1d, and the bottom of piston 2c and piston 2d is fixed with lower piston rod 3c and lower piston rod 3d respectively; The top of piston 2c and piston 2d is fixed with upper piston rod 25c and upper piston rod 25d respectively; In hydraulic cylinder 1c, the above hydraulic cylinder of piston 2c partly is called propulsion cylinder 4c, and the hydraulic cylinder of piston below 2 partly is called propulsion cylinder 5c down; In hydraulic cylinder 1d, the above hydraulic cylinder of piston 2d partly is called propulsion cylinder 4c, and the following hydraulic cylinder of piston 2a partly is called propulsion cylinder 5c down; Pedestal 18c links to each other with the bottom of hydraulic cylinder 1c, and pedestal 18d links to each other with the bottom of hydraulic cylinder 1d.
Wherein the pipe 27 that is connected with the last propulsion cylinder 4c of hydraulic cylinder 1c and 1d and 4d is by being connected with an end of hydraulic pump 13 by the pipe 6 with hydraulic pump 13 these ends connections more earlier with after the automatic reverse valve 11 of hydraulic pump 13 entrance points is connected with pipeline 15 that it is connected; The pipe 10 that is connected with the last propulsion cylinder 4 of hydraulic cylinder 1 and 1a and 4a with after the automatic reverse valve 12 of hydraulic pump 13 ports of export is connected, reaches the pipeline 8 that links to each other with the automatic reverse valve 12 of hydraulic pump 13 ports of export by the pipe 7 with hydraulic pump 13 these ends connections again and is connected with the other end of hydraulic pump 13 earlier; Another pipeline 16 that automatic reverse valve 11 connects is connected with the pipeline 7 of hydraulic pump 13 other ends; Promptly go up propulsion cylinder 4 and another hydraulic cylinder 1a top with hydraulic cylinder 1 top in these two the corresponding single-piston rod double-acting type hydraulic cylinders and promptly go up pipe 9 that propulsion cylinder 4a is connected earlier with after the automatic diverter valve 12 of hydraulic pump 13 other ends is connected, again the pipeline 8 that links to each other with this automatic reverse valve 12 and with pipe 7 connections of hydraulic pump 13 other ends connection after be connected with the other end of hydraulic pump 13 again; Another pipe 16 that links to each other with the automatic reverse valve 11 of hydraulic pump 13 1 ends also is connected with the pipe 7 that hydraulic pump 13 other ends are communicated with.
Hydraulic cylinder 1 is connected with hydraulic medium liquid collecting, knockout 26 by pipeline 17 and the pipeline 30 that links to each other with them respectively with 5a with following propulsion cylinder 5 among the 1a.Hydraulic cylinder 1c is connected with hydraulic medium liquid collecting, knockout 26 by pipeline 28 and the pipeline 29 that links to each other with them respectively with 5d with following propulsion cylinder 5c among the 1d.
The switch board 20 that links to each other with power line 19 is connected with hydraulic pump 13, electro-hydraulic reversing valve door 11,12 by control line and power supply wire harness 21.
Automatic reverse valve in the utility model can be electro-hydraulic reversing valve door or electro hydraulic valve.
In the utility model, can only store and transmit the decline potential energy of sucker rod by hydraulic system, the energy that crude oil fluid promotes demand must be provided by extraneous motor, the oil pumper of many mouthfuls of oil wells of a public hydraulic power unit should rationally mate, and accomplishes or accomplishes substantially: the rod weight of all oil wells of sucker rod descending motion and the sum of products of stroke equal the rod weight of all oil wells of sucker rod ascending motion and the sum of products of stroke; The feed liquor hydraulic cylinder feed liquor amount sum of all oily machines of sucker rod descending motion equals the fluid hydraulic cylinder liquid outlet quantity sum of all oily machines of sucker rod ascending motion, and vice versa; The oil recovery degree of depth of the pairing oil well of many table oils machine of a public hydraulic power unit should be basic identical.
In the utility model, the last propulsion cylinder of hydraulic cylinder should be divided into two parts of relative equilibrium, is: the sucker rod of a part is done descending motion, and the sucker rod of another part is done ascending motion.Sucker rod is done the rod weight of all oil wells of descending motion and the sum of products of stroke equals the rod weight of all oil wells of another part sucker rod ascending motion and the sum of products of stroke; The feed liquor hydraulic cylinder feed liquor amount sum of all oily machines of sucker rod descending motion equals the fluid hydraulic cylinder liquid outlet quantity sum of all oily machines of sucker rod ascending motion,
The quantity of hydraulic cylinder not only can adopt even number also can adopt odd number in the utility model, and as 3,5, if when adopting more than 5 a mutually shared hydraulic pump, its basic structure is close with embodiment 4.Can produce more changeableization by principle of the present utility model and thought.
It is other that electrical power control cabinet 20 in the utility model among each embodiment can be installed on hydraulic pump 13, also can select suitable installation site.Be filled with an amount of hydraulic oil or water or other hydraulic medium in the medium pipeline respectively.
For neat appearance is convenient to operational administrative, the parts in the native system, member are rejected outside hydraulic cylinder and relevant Hydraulic Elements and the external accessory and can be assemblied on the frame, form a complete machine.For large scale system, each piece volumes is huge, can't whole Transporting, Installation and Debugging at the scene.

Claims (6)

1. hydraulic energy-saving multiple well pumping unit: comprise hydraulic system, automatic reverse valve, oil well oil-pumping rod connector, switch board, connecting pipe, it is characterized in that: have at least two hydraulic cylinders to link to each other with a cover hydraulic pump by connecting pipe, every hydraulic cylinder all is the double-acting type hydraulic cylinder, on the import and export pipeline of hydraulic pump the automatic reverse valve is installed all, the following propulsion cylinder of each double-acting type hydraulic cylinder piston is connected; The last propulsion cylinder of hydraulic cylinder is divided into two parts of relative equilibrium, and each part links to each other with the automatic reverse valve by pipeline, is connected by the pipeline of pipeline with the import and export at hydraulic pump two ends again; There is the connector that is connected with well rod the lower piston rod lower end of hydraulic cylinder piston bottom; The switch board that links to each other with power line is connected with hydraulic pump, automatic reverse valve by control line and power supply wire harness.
2. hydraulic energy-saving multiple well pumping unit according to claim 1 is characterized in that: the following hydraulic pressure propulsion cylinder of each double-acting type hydraulic cylinder is connected by pipeline and hydraulic medium liquid collecting, knockout.
3. hydraulic energy-saving multiple well pumping unit according to claim 1 is characterized in that: the hydraulic pressure propulsion cylinder of each double-acting type hydraulic cylinder piston bottom is connected by pipeline.
4. according to claim 1,2 or 3 described hydraulic energy-saving multiple well pumping units, it is characterized in that: the hydraulic cylinder of described hydraulic system is single-piston rod formula double-acting type hydraulic cylinder or double-piston rod-type double-acting type hydraulic cylinder.
5. hydraulic energy-saving multiple well pumping unit according to claim 4 is characterized in that: on the hydraulic pump of described hydraulic system and the pipeline that entrance point is communicated with liquid supplementation pipe and fluid infusion jar are housed.
6. hydraulic energy-saving multiple well pumping unit according to claim 5 is characterized in that: described automatic reverse valve is electro-hydraulic reversing valve or electro hydraulic valve or motor operated valve.
CN2010201730441U 2010-04-28 2010-04-28 Hydraulic energy-saving multi-well oil pumping unit Expired - Fee Related CN201661282U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201730441U CN201661282U (en) 2010-04-28 2010-04-28 Hydraulic energy-saving multi-well oil pumping unit

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Application Number Priority Date Filing Date Title
CN2010201730441U CN201661282U (en) 2010-04-28 2010-04-28 Hydraulic energy-saving multi-well oil pumping unit

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102108847A (en) * 2011-01-17 2011-06-29 濮阳市威克瑞石油机械制造有限公司 Dual well balance type hydraulic pumping unit and working method thereof
CN102235159A (en) * 2010-04-28 2011-11-09 陈万仁 Hydraulic energy-saving multi-well pumping unit
CN102337867A (en) * 2011-09-15 2012-02-01 刘学柱 Hydraulic oil pumping system
CN104963659A (en) * 2015-07-02 2015-10-07 中国石油天然气股份有限公司 Hydraulic drive oil pumping device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102235159A (en) * 2010-04-28 2011-11-09 陈万仁 Hydraulic energy-saving multi-well pumping unit
CN102108847A (en) * 2011-01-17 2011-06-29 濮阳市威克瑞石油机械制造有限公司 Dual well balance type hydraulic pumping unit and working method thereof
CN102337867A (en) * 2011-09-15 2012-02-01 刘学柱 Hydraulic oil pumping system
CN102337867B (en) * 2011-09-15 2014-12-10 刘学柱 Hydraulic oil pumping system
CN104963659A (en) * 2015-07-02 2015-10-07 中国石油天然气股份有限公司 Hydraulic drive oil pumping device

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101201

Termination date: 20140428