CN102817587A - Direct drive motor pumping unit - Google Patents

Direct drive motor pumping unit Download PDF

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Publication number
CN102817587A
CN102817587A CN2011103717949A CN201110371794A CN102817587A CN 102817587 A CN102817587 A CN 102817587A CN 2011103717949 A CN2011103717949 A CN 2011103717949A CN 201110371794 A CN201110371794 A CN 201110371794A CN 102817587 A CN102817587 A CN 102817587A
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CN
China
Prior art keywords
assembly
guide wheel
truss
roller
magneto
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Granted
Application number
CN2011103717949A
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Chinese (zh)
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CN102817587B (en
Inventor
肖文生
崔俊国
董维彬
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China University of Petroleum East China
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China University of Petroleum East China
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Publication date
Application filed by China University of Petroleum East China filed Critical China University of Petroleum East China
Priority to CN201110371794.9A priority Critical patent/CN102817587B/en
Priority to PCT/CN2012/000800 priority patent/WO2013071684A1/en
Publication of CN102817587A publication Critical patent/CN102817587A/en
Application granted granted Critical
Publication of CN102817587B publication Critical patent/CN102817587B/en
Expired - Fee Related legal-status Critical Current
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121Lifting well fluids
    • E21B43/126Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive

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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)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides an direct drive motor pumping unit comprising a permanent magnet motor, a sleeve spline coupler, a roller assembly, a guide wheel assembly, a flexible connection mechanism, a truss assembly, a weight box assembly and an electric hoist, wherein one end of the flexible connection mechanism passing around the roller assembly and the guide wheel assembly is connected to a polished rod eye, and the other end of the flexible connection mechanism is connected with the weight box assembly; the pumping unit provided by the invention has the main characteristics as follows: the permanent magnet motor is installed in a hanging way, the permanent magnet motor and the roller assembly are fixed on the truss assembly through bolts and directly connected through the sleeve spline coupler; the guide wheel assembly is fixed on the front side of upper part of the truss assembly by bolts, the weight box assembly is located in the truss assembly, and the center of gravity of the weight box assembly is overlapped with the center of gravity of the truss assembly, and the electric hoist is fixed at the top end of the interior of the truss assembly by bolts. The direct drive motor pumping unit has the beneficial effects that a reduction box and a reversing gear are saved, the operation of oil extracting is directly implemented by driving the roller assembly by the permanent magnet motor, the whole structure is compact, the long stroke is carried out, the weight is light, the floor space is small, the maintenance is convenient, the efficiency is high, and the energy is saved.

Description

The direct driving motor oil pumper
Technical field
The present invention is a kind of novel oil production mechanical device that is used for oil recovery aspect, oil field, belongs to petroleum machinery technical research field.
Background technology
Mechanical oil recovery is oil recovery means main on the oil field; Wherein beam pumping unit recovers the oil and occupies an leading position; At present group of PetroChina Company Limited. is with 121,610 of common beam oil pumpers, and the beam pumping unit operating principle is after motor passes through the deceleration of V belt reduction box; Become rotatablely moving of reduction gearbox output shaft by quadric chain the reciprocating motion of walking beam horse head; Drive polished rod and sucker rod work rectilinear motion up and down reciprocatingly with horse head, again the plunger in the downhole pump is passed in this motion, make it the work oil pumping through sucker rod.But because beam pumping unit exists shortcomings such as structure is unreasonable, energy consumption is high, power factor is low, system's average efficiency is merely 24%, and cost for oil production is high, and energy consumption has reached 70,000,000,000 RMB; Raise the efficiency for reducing cost, various countries just improve beam pumping unit one after another and the research and development blue elephant is carrying out a series of trial, but the problem of still unresolved " low load with strong power " such as out-phase type oil pumpers of development, energy-saving effect is not remarkable; Successively developed both at home and abroad the long-stroke pumping unit without walking beam of various ways again, but these oil pumper pluses and minuses and depositing wait further research with perfect.
In addition; Along with continually developing of oil field; It is day by day complicated that the oil exploitation condition becomes, and DP technology has proposed long stroke, low jig frequency, big pump to sucker rod pumping equipment and new requirement such as taken out deeply, and beam pumping unit can not satisfy the requirement of DP technology on applicability.
Summary of the invention
In order further to improve mechanical oil recovery efficient, saves energy, mining requirement such as satisfy that particular oils Tibetan area block length stroke, low jig frequency, big pump are taken out deeply promotes the development of China's oil production equipment industry, has invented a kind of new pumping unit---the direct driving motor oil pumper.This direct driving motor oil pumper is used the design concept of simplifying, and has advantages such as simple in structure, superior performance, safety and stability, maintenance cost are low, energy-efficient, suits to promote the use of in the oil field.
The present invention for the technical scheme that problem adopted that solution proposes is: the direct driving motor oil pumper is made up of magneto, sleeve spline shaft coupling, roller assembly, guide wheel assembly, flexible linking device, truss assembly, ballast box assembly, electric block; Magneto and roller assembly are positioned at truss assembly top; The guide wheel assembly is positioned at front side, truss assembly top; Flexible linking device is walked around the roller assembly and is connected with polished rod eye with guide wheel assembly one end, and the other end is connected with the ballast box assembly; Its principal character is: magneto is that suspension type is installed, and magneto, roller assembly, guide wheel assembly all connect fixing through bolt, and magneto directly is connected through the sleeve spline shaft coupling with the roller assembly between the two.The guide wheel assembly is made up of guide wheel assembly welding and bearing support assembly; The guide wheel assembly welding is the overall structure that axle, wheel, gusset are welded; It is inner that the ballast box assembly is positioned at the truss assembly; The center of gravity of ballast box assembly overlaps with the center of truss assembly, and electric block is fastened on truss assembly inner tip through bolt.
The invention has the beneficial effects as follows and saved reduction box and changement, the direct driving rolls assembly of magneto carries out oil producing operation, and magneto self is realized rotating, and this invents compact overall structure, has realized long stroke; In light weight, floor space is little, and is easy to maintenance; Energy-efficient.
Description of drawings
Fig. 1 is a front view of the present invention, has represented the installation site and the annexation of direct driving motor oil pumper overall structure and each component.
Fig. 2 is a lateral view of the present invention, has represented the overall structure of direct driving motor oil pumper and the installation site and the annexation of each component from another angle.
Fig. 3 is a vertical view of the present invention, has clearly represented the position and the annexation of direct driving motor oil pumper top structure and each component, has expressed direct driving motor oil pumper length and width direction shape simultaneously.
Fig. 4 is the elevation of guide wheel assembly, has represented that clearly the structure of guide wheel assembly is formed.
Fig. 5 is a normal axomometric drawing of the present invention, has represented the overall structure relation of direct driving motor oil pumper more intuitively.
In the drawings, 1. guide wheel assembly, 2. flexible linking device, 3. roller assembly, 4. magneto, 5. electric block, 6. truss assembly, 7. ballast box assembly, 8. sleeve spline shaft coupling.
The specific embodiment
Further illustrate structure of the present invention and embodiment below in conjunction with accompanying drawing.
In Fig. 1, can find out; Truss assembly (6) is the main body supporting structure of direct driving motor oil pumper; Truss assembly (6) is welded by the angle steel and the i iron of different model; Guide wheel assembly (1) is installed in front side, truss assembly top through bolt, and to abdicate certain well workover space, roller assembly (3) is installed in the forward side in truss top through bolt; Flexible linking device (2) is walked around roller assembly (3) and is linked to each other with polished rod eye with guide wheel assembly (1) back one end; The other end links to each other with ballast box assembly (7); The cornerite that forms between flexible linking device (2) and the roller assembly (3) guarantees to produce enough frictional force to satisfy the oil producing operation requirement, and flexible linking device (2) is made up of belt, fag end, connector, leading screw, elevator; Ballast box assembly (7) places truss assembly (6) the inside, and the guide rail above truss assembly (6) moves up and down; Electric block (5) is fixedly mounted on truss assembly inner tip, is used for lifting ballast box assembly (7) and other necessary component.
Can find out that in Fig. 2 and Fig. 3 magneto (4) is fixedly mounted on truss assembly top, for end face fixed suspension formula connects; Magneto (4) directly links to each other with roller assembly (3) through sleeve spline shaft coupling (8); The forward side in roller assembly (3) installation site overlaps with the center of truss assembly (6) with the center of gravity that guarantees ballast box assembly (7).Can find out that in Fig. 4 guide wheel assembly (1) is made up of guide wheel assembly welding and bearing support assembly, the guide wheel assembly welding is the overall structure that axle, wheel, gusset are welded.Can intuitively find out the overall structure of direct driving motor oil pumper at Fig. 5.

Claims (4)

1. a direct driving motor oil pumper is made up of magneto, sleeve spline shaft coupling, roller assembly, guide wheel assembly, flexible linking device, truss assembly, ballast box assembly, electric block; Magneto and roller assembly are positioned at truss assembly top; The guide wheel assembly is positioned at front side, truss assembly top; Flexible linking device is walked around the roller assembly and is connected with polished rod eye with guide wheel assembly one end, and the other end is connected with the ballast box assembly; Its principal character is: magneto is that suspension type is installed, and magneto, roller assembly, guide wheel assembly all connect fixing through bolt, and magneto directly is connected through the sleeve spline shaft coupling with the roller assembly between the two.
2. direct driving motor oil pumper according to claim 1 is characterized in that the guide wheel assembly is made up of guide wheel assembly welding and bearing support assembly, and the guide wheel assembly welding is the overall structure that axle, wheel, gusset are welded.
3. direct driving motor oil pumper according to claim 1, it is inner to it is characterized in that the ballast box assembly is positioned at the truss assembly, and the center of gravity of ballast box assembly overlaps with the center of truss assembly.
4. direct driving motor oil pumper according to claim 1 is characterized in that electric block is fastened on truss assembly inner tip through bolt.
CN201110371794.9A 2011-11-15 2011-11-15 Direct drive motor pumping unit Expired - Fee Related CN102817587B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201110371794.9A CN102817587B (en) 2011-11-15 2011-11-15 Direct drive motor pumping unit
PCT/CN2012/000800 WO2013071684A1 (en) 2011-11-15 2012-06-12 Direct-drive motor oil-pumping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110371794.9A CN102817587B (en) 2011-11-15 2011-11-15 Direct drive motor pumping unit

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CN102817587A true CN102817587A (en) 2012-12-12
CN102817587B CN102817587B (en) 2015-05-27

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WO (1) WO2013071684A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103556976A (en) * 2013-11-18 2014-02-05 姜宇 Motor-direct-driven beam-pumping unit
CN103924949A (en) * 2014-05-06 2014-07-16 中国石油大学(华东) Direct-drive ball screw transmission oil pumping unit
WO2016137986A3 (en) * 2015-02-23 2016-12-29 Weatherford Technology Holdings, Llc Long-stroke pumping unit
CN111058805A (en) * 2020-01-16 2020-04-24 山东天工石油装备有限公司 Electric control reversing oil pumping unit
US10890175B2 (en) 2015-01-29 2021-01-12 Weatherford Technology Holdings, Llc Direct drive pumping unit

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107795301A (en) * 2017-11-28 2018-03-13 青岛新胜石油机械有限公司 Compact oil recovery mechanism and system
CN111101904A (en) * 2020-01-19 2020-05-05 胡勇 Double-machine double-well interactive balance device of winch type non-beam pumping unit
CN114123715B (en) * 2020-08-27 2022-12-02 中国石油天然气股份有限公司 Stroke frequency adjusting device of oil pumping unit and oil field production system
CN112483047B (en) * 2020-11-25 2022-06-03 瑞昌市森奥达科技有限公司 Vertical lift type oil pumping machine

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US4916959A (en) * 1988-02-22 1990-04-17 Gordon R. Lively Long stroke well pumping unit with carriage
CN1724845A (en) * 2005-07-18 2006-01-25 山东创新石油技术有限公司 Ultra long stroke beam-pumping unit
CN201535154U (en) * 2009-04-21 2010-07-28 北京兰德伟业科技发展有限公司 Permanent-magnet motor poly-wedge belt transmission driving type oil extractor
CN201786330U (en) * 2010-02-26 2011-04-06 北京兰德伟业科技发展有限公司 Low-speed high-torque motor pumping unit
CN201786329U (en) * 2009-11-23 2011-04-06 肖文生 Double-well oil pumping machine with bilateral linear motor
CN202228046U (en) * 2011-02-23 2012-05-23 北京兰德伟业科技发展有限公司 Double-well oil pumping unit of direct-drive motor
CN202325427U (en) * 2011-11-15 2012-07-11 中国石油大学(华东) Pumping unit of direct-driven motor

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US4651582A (en) * 1986-01-27 1987-03-24 Bender Emil A Counterbalanced pumps
CN2467821Y (en) * 2001-02-26 2001-12-26 周小稀 Beam-pumping unit driven by linear motor
CN2883729Y (en) * 2005-10-18 2007-03-28 周小稀 Linear dynamo pumping unit with built-in stator
CN2849221Y (en) * 2005-12-06 2006-12-20 迟广林 Compound permanent magnet electric oil pumping machine
CN101684726B (en) * 2008-09-26 2012-05-23 贵州航天林泉电机有限公司 Three-upright-post oil sucking machine of compound permanent magnet motor and method for manufacturing same
CN201377306Y (en) * 2008-11-06 2010-01-06 赵平 Steel wire rope automatic balance and magnification mechanism of steel wire rope pumping unit
CN101696624A (en) * 2009-11-12 2010-04-21 赵平 External rotor motor direct traction type oil extractor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4916959A (en) * 1988-02-22 1990-04-17 Gordon R. Lively Long stroke well pumping unit with carriage
CN1724845A (en) * 2005-07-18 2006-01-25 山东创新石油技术有限公司 Ultra long stroke beam-pumping unit
CN201535154U (en) * 2009-04-21 2010-07-28 北京兰德伟业科技发展有限公司 Permanent-magnet motor poly-wedge belt transmission driving type oil extractor
CN201786329U (en) * 2009-11-23 2011-04-06 肖文生 Double-well oil pumping machine with bilateral linear motor
CN201786330U (en) * 2010-02-26 2011-04-06 北京兰德伟业科技发展有限公司 Low-speed high-torque motor pumping unit
CN202228046U (en) * 2011-02-23 2012-05-23 北京兰德伟业科技发展有限公司 Double-well oil pumping unit of direct-drive motor
CN202325427U (en) * 2011-11-15 2012-07-11 中国石油大学(华东) Pumping unit of direct-driven motor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103556976A (en) * 2013-11-18 2014-02-05 姜宇 Motor-direct-driven beam-pumping unit
CN103924949A (en) * 2014-05-06 2014-07-16 中国石油大学(华东) Direct-drive ball screw transmission oil pumping unit
US10890175B2 (en) 2015-01-29 2021-01-12 Weatherford Technology Holdings, Llc Direct drive pumping unit
US10962000B2 (en) 2015-01-29 2021-03-30 Weatherford Technology Holdings, Llc Long stroke pumping unit
WO2016137986A3 (en) * 2015-02-23 2016-12-29 Weatherford Technology Holdings, Llc Long-stroke pumping unit
US10113544B2 (en) 2015-02-23 2018-10-30 Weatherford Technology Holdings, Llc Long-stroke pumping unit
US10844852B2 (en) 2015-02-23 2020-11-24 Weatherford Technology Holdings, Llc Long-stroke pumping unit
CN111058805A (en) * 2020-01-16 2020-04-24 山东天工石油装备有限公司 Electric control reversing oil pumping unit

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WO2013071684A1 (en) 2013-05-23
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Granted publication date: 20150527

Termination date: 20201115