WO2012088709A1 - 一种智能在线闭环抽油机平衡调节系统 - Google Patents
一种智能在线闭环抽油机平衡调节系统 Download PDFInfo
- Publication number
- WO2012088709A1 WO2012088709A1 PCT/CN2010/080587 CN2010080587W WO2012088709A1 WO 2012088709 A1 WO2012088709 A1 WO 2012088709A1 CN 2010080587 W CN2010080587 W CN 2010080587W WO 2012088709 A1 WO2012088709 A1 WO 2012088709A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- displacement
- pumping unit
- motor
- connecting rod
- hinge
- Prior art date
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 26
- 238000006073 displacement reaction Methods 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 20
- 238000005859 coupling reaction Methods 0.000 claims description 20
- 241001023788 Cyttus traversi Species 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
- E21B43/127—Adaptations of walking-beam pump systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
- F04B47/022—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level driving of the walking beam
Definitions
- the invention relates to the structure and control of a pumping unit automatic balance adjusting system, in particular to a smart online closed loop pumping unit balance adjusting system.
- Pumping units are the most common ground equipment for oil field production equipment.
- the pumping unit realizes pumping by controlling the up and down movement of the hoe on the beam.
- the balance between the counterweight and the hoe is controlled. If there is an imbalance, the energy of the drag motor that drags the beam will be depleted. In severe cases, it will cause the hoe to lose control.
- the balance of the pumping unit is adjusted by increasing or decreasing the number of counterweights under the pumping unit. This method will bring the following disadvantages: 1. The weight is easy to be lost; 2. The weight needs manual handling and labor intensity; 3. The weight adjustment is not accurate; 4. The shutdown adjustment is required.
- the present invention provides an intelligent online closed loop pumping unit balance adjustment system.
- the automatic adjustment of the counterweight under non-stop conditions enables accurate adjustment of the counterweight accuracy of ⁇ 10%.
- the technical solution of the present invention is:
- the present invention is an intelligent online closed-loop pumping unit balance adjustment system, which is special in that: the system includes a connecting rod, a counterweight, a transmission, a weight displacement adjustment motor, and is used for driving a control device for adjusting and controlling the weight displacement of the motor, wherein the transmission device and the weight displacement adjusting motor are disposed above the beam, and the weight displacement adjusting motor is connected to one end of the connecting rod through a transmission device, and the connecting rod is further connected One end is connected to the counterweight, and one end of the beam facing away from the hoe is connected with the middle of the connecting rod.
- the system further includes a first coupling, a second coupling, and a support and thrust bearing, wherein the weight displacement adjusting motor is sequentially connected to the transmission through the first coupling, the support and the thrust bearing and the second coupling .
- the above system further includes a hinge bottom plate and a hinge bracket, the weight displacement adjusting motor and the support And the thrust bearing is disposed on the hinge bottom plate, the hinge bracket is disposed above the beam, and the hinge bottom plate is hinged to the hinge bracket by the second hinge.
- the transmission device is a screw drive device, and the screw drive device includes a lead screw and a nut.
- the support and the thrust bearing are connected to one end of the connecting rod through the second coupling, the lead screw and the nut.
- the silk nut and the connecting rod are hinged by a first hinge.
- One end of the beam facing away from the hoe is hinged to the middle of the link by a third hinge.
- the above control means includes a current detector for detecting the current of the drag motor and a displacement adjusting motor controller for controlling the weight displacement adjusting motor, the current detector being coupled to the displacement adjusting motor controller.
- the control device further includes an angular displacement sensor for detecting the position of the hoe and the direction of operation, the angular displacement sensor being disposed at a junction of the beam and the beam bracket, the angular displacement sensor being coupled to the displacement adjustment motor controller.
- the control device further includes a controller, the angular displacement sensor being coupled by the controller and the displacement adjustment motor controller.
- the above displacement adjustment motor controller is a single chip microcomputer.
- the above controller is a single chip microcomputer.
- the invention can be newly built or modified for the traditional beam pumping unit.
- the weight displacement adjustment motor, reducer, coupling, support and thrust bearing, screw and nut are the linkage mechanism of the invention, and the operation is stable and reliable.
- the system adjustment is simple and reliable:
- the mathematical model adjusted by the system of the invention is very simple, and the optimal working point can be obtained by using the formula to approximate the cycle.
- the adjustment process of the invention is automatically adjusted by the motor, and no manual intervention is required, thereby eliminating manual labor.
- the invention reduces the dimension by automatic online adjustment without human intervention The number and intensity of workers.
- the invention can ensure that the pumping unit operates under balanced conditions, and the electric motor has the lowest energy consumption.
- FIG. 1 is a schematic structural view of a specific application embodiment of the present invention.
- FIG. 2 is a schematic block diagram of a control device in a specific application embodiment of the present invention.
- 1 one weight displacement adjustment motor, 21 first coupling, 22 second coupling, 3 - support and thrust bearing, 4 lead screw, 5 thread mother, 61 - first hinge, 62 - second hinge, 63 - third hinge, 64 - fourth hinge, 7 link, 8 counterweight, 9 hinged bottom plate, 10 - hinge bracket, 11 hoe, 12 - angular displacement sensor, 13 beam, 14 drag motor, 15 - Beam bracket,
- the structure includes a weight displacement adjusting motor 1, a first coupling 21, a second coupling 22, a support and a thrust bearing 3, a connecting rod 7, and a matching Weight 8, hinge bottom plate 9, hinge bracket 10, transmission device and control device for adjusting and controlling the weight displacement of the driving motor, the weight displacement adjusting motor 1 sequentially passes through the first coupling 21, the support and the thrust bearing 3 and The second coupling 22 is coupled to the transmission.
- the transmission device is connected to one end of the connecting rod 7, and the other end of the connecting rod 7 is connected with the counterweight 8.
- the end of the beam 13 facing away from the boring head 11 is hingedly connected with the middle portion of the connecting rod 7 through the third hinge 63.
- the screw drive device comprises a lead screw 4 and a nut 5, and the support and thrust bearing 3 are connected to one end of the connecting rod 7 through the second coupling 22, the lead screw 4 and the nut 5, the nut 5 And the connecting rod 7 is hinged by the first hinge 61.
- the nut 5 is disposed in a hollow connecting rod 19, and the nut 5 is welded in the hollow connecting rod 19, the hollow connecting One end of the rod 19 facing away from the nut is hinged with the connecting rod 7 through the first hinge 61, and the weight displacement adjusting motor 1 and the supporting and thrust bearing 3 are disposed on the hinge bottom plate 9, and the hinge bracket 10 is disposed above the beam 13, the hinge bottom plate 9
- the hinge bracket 10 is hinged by a second hinge 62.
- the control device includes a current detector 16 for detecting the current of the drag motor 14 and a counterweight
- a displacement adjustment motor controller 17 that controls the displacement adjustment motor is connected to the displacement adjustment motor controller 17.
- the control device further includes an angular displacement sensor 12 and a controller 18 that detect the position of the ram 11 and the direction of operation, the angular displacement sensor 12 is disposed at the junction of the beam 13 and the beam bracket 15, and the angular displacement sensor 12 passes through the controller 18. It is connected to the displacement adjustment motor controller 17.
- the displacement adjustment motor controller 17 is a single chip microcomputer, the controller 18 is a single chip microcomputer, and the current detector 16 has various current detecting devices.
- the angular displacement sensor 12 is an existing variety of sensors capable of realizing angular displacement measurement.
- the current output of the drag motor 14 is detected by the current detector 16.
- the lifting and lowering power of the electric motor 14 are not equal, when the head 11 is When the weight is too heavy, the lifting power is less than the lowering power.
- the displacement adjusting motor controller 17 controls the steering of the weight shifting motor 1 according to the principle, and the weight 8 is
- the arm length of the fourth hinge 64 (the hinge between the beam 13 and the beam bracket 15) is increased or decreased, and the weight displacement adjusting motor 1 rotates through the speed reducer, the first coupling 21, the support, and The thrust bearing 3, the second coupling 22, the lead screw 4, the nut 5, and the first hinge 6 push the connecting rod 7 to move left and right, and adjust the length of the arm 8 relative to the arm length of the fourth hinge 64, thereby adjusting the pumping
- the controller 18 can also assist in adjusting the balance between the pump head 11 and the counterweight 8 by the angular displacement sensor 13 detecting the position of the hammer 11 and the direction of operation.
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/377,759 US9011108B2 (en) | 2010-12-29 | 2010-12-31 | Intelligent online closed-loop balance adjusting system for pumping unit |
CA2767980A CA2767980C (en) | 2010-12-29 | 2010-12-31 | Intelligent online closed-loop balance adjusting system for pumping unit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010612679.1A CN102071913B (zh) | 2010-12-29 | 2010-12-29 | 一种智能在线闭环抽油机平衡调节系统 |
CN201010612679.1 | 2010-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012088709A1 true WO2012088709A1 (zh) | 2012-07-05 |
Family
ID=44030649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/080587 WO2012088709A1 (zh) | 2010-12-29 | 2010-12-31 | 一种智能在线闭环抽油机平衡调节系统 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9011108B2 (zh) |
CN (1) | CN102071913B (zh) |
CA (1) | CA2767980C (zh) |
WO (1) | WO2012088709A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102562007A (zh) * | 2012-02-14 | 2012-07-11 | 周彦 | 石油抽油机平衡块位置的自动调整装置 |
CN102747988B (zh) * | 2012-07-11 | 2014-10-08 | 鲁会策 | 半梁式抽油机 |
CN103470225A (zh) * | 2013-10-09 | 2013-12-25 | 杨奠基 | 摆尾式自变参数平衡高效节能抽油机 |
CN104793655B (zh) * | 2015-02-12 | 2018-08-07 | 徐海英 | 抽油机一体化永磁无极调速装置 |
CN104712293A (zh) * | 2015-04-03 | 2015-06-17 | 长江大学 | 一种抽油机辅助平衡块实时调节装置 |
CN109281655B (zh) * | 2018-10-18 | 2021-09-10 | 中国石油化工股份有限公司 | 一种抽油机的功率载荷确定方法、工况诊断方法及装置 |
CN111577221B (zh) * | 2020-04-17 | 2022-07-15 | 新疆维吾尔自治区第三机床厂 | 安全型数字化抽油机 |
CN114135256B (zh) * | 2021-11-30 | 2023-12-01 | 门铁民 | 一种智能间开抽油机定点启停控制装置及控制方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2352723Y (zh) * | 1997-08-10 | 1999-12-08 | 张亚仁 | 机械采油系统中抽油机的机械平衡调节装置 |
CN2513279Y (zh) * | 2001-09-27 | 2002-09-25 | 侯爱松 | 游梁抽油机的直线电机自动平衡装置 |
CN201050348Y (zh) * | 2007-05-14 | 2008-04-23 | 夏小平 | 抽油机平衡控制装置 |
CN201092848Y (zh) * | 2007-12-05 | 2008-07-30 | 黄丽生 | 抽油机平衡器 |
CN201103383Y (zh) * | 2007-12-04 | 2008-08-20 | 刘巨东 | 抽油机微调平衡装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3793904A (en) * | 1972-06-14 | 1974-02-26 | D Grable | Well pumping control |
US5528947A (en) * | 1992-12-21 | 1996-06-25 | Wang; Pucheng | Rod pumping assembly |
CN201934067U (zh) * | 2010-12-29 | 2011-08-17 | 西安宝德自动化股份有限公司 | 一种智能在线闭环抽油机平衡调节系统 |
-
2010
- 2010-12-29 CN CN201010612679.1A patent/CN102071913B/zh not_active Expired - Fee Related
- 2010-12-31 CA CA2767980A patent/CA2767980C/en active Active
- 2010-12-31 US US13/377,759 patent/US9011108B2/en active Active
- 2010-12-31 WO PCT/CN2010/080587 patent/WO2012088709A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2352723Y (zh) * | 1997-08-10 | 1999-12-08 | 张亚仁 | 机械采油系统中抽油机的机械平衡调节装置 |
CN2513279Y (zh) * | 2001-09-27 | 2002-09-25 | 侯爱松 | 游梁抽油机的直线电机自动平衡装置 |
CN201050348Y (zh) * | 2007-05-14 | 2008-04-23 | 夏小平 | 抽油机平衡控制装置 |
CN201103383Y (zh) * | 2007-12-04 | 2008-08-20 | 刘巨东 | 抽油机微调平衡装置 |
CN201092848Y (zh) * | 2007-12-05 | 2008-07-30 | 黄丽生 | 抽油机平衡器 |
Also Published As
Publication number | Publication date |
---|---|
US9011108B2 (en) | 2015-04-21 |
CN102071913A (zh) | 2011-05-25 |
US20130272897A1 (en) | 2013-10-17 |
CA2767980C (en) | 2016-03-15 |
CN102071913B (zh) | 2012-09-19 |
CA2767980A1 (en) | 2012-06-29 |
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