CN104265247A - Automatic beam pumper balance adjustment device and automatic control method - Google Patents
Automatic beam pumper balance adjustment device and automatic control method Download PDFInfo
- Publication number
- CN104265247A CN104265247A CN201410534549.9A CN201410534549A CN104265247A CN 104265247 A CN104265247 A CN 104265247A CN 201410534549 A CN201410534549 A CN 201410534549A CN 104265247 A CN104265247 A CN 104265247A
- Authority
- CN
- China
- Prior art keywords
- balance
- motor
- oil pumper
- pumping unit
- automatic regulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
Abstract
Provided are an automatic beam pumper balance adjustment device and an automatic control method. The automatic beam pumper balance adjustment device comprises a motor, a worm gear reducer, thrust bearings, an observation window, a counterbalance, a driving lead screw, a balancing box, an electric conduction slip ring and a control cabinet. The balancing box is cubic, and the counterbalance in sliding match with the balancing box and capable of doing reciprocating motion and the observation window used for observing the position of the balancing box are arranged in the balancing box. The counterbalance does reciprocating motion under control of the driving lead screw arranged in the balancing box, one end of the driving lead screw is connected with a motor, the motor is connected with the driving lead screw through the worm gear reducer, and the thrust bearings are arranged at two ends of the driving lead screw. According to the automatic beam pumper balance adjustment device, the counterbalance is driven to move on a crank under the effect of mechanical transmission and the automatic electric control technology, energy storage and release can be achieved, fast and accurate adjustment of beam pumper balance can be achieved, the purposes of saving electricity and prolonging the service life of oil pumpers are achieved, labor intensity of oil extraction workers is reduced, and safety production of the oil fields is guaranteed.
Description
Technical field
The present invention relates to field of petroleum machinery, specifically a kind of beam pumping unit balance automatic regulating apparatus and autocontrol method.
Background technology
In the daily production work in oil field, measurement beam pumping unit energy consumption and an important indicator in application life are the equilibrium conditions of oil pumper, and oil pumper is uneven a working cycles internal load, oil pumper runs under being more or less in unbalanced state in the course of the work for configuring by Equilibrium the in-service oil pumper carrying out balance adjustment, then can continue adjustment by the mode of installing balance regulator on oil pumper.
Beam pumping unit is in the process completing a pumping cycle, the load of upstroke and down stroke is also uneven, and difference is larger, in order to improve this non-equilibrium state, save electric energy, beam pumping unit all designs and install balance weight on oil pumping machine crank, but the counterweight due to balance weight is fixing, and the operating mode of oil well is change, the machinery adjustment of adding balance weight mechanism is subject to the restriction of on-the-spot all many condition, make oil pumper can not reach the state of balance in time completely, therefore in actual motion, motor is often in two kinds of duties, i.e. motoring condition and the generating state that falls.Fall generated energy in the process of electro-mechanical-electricity repeated conversion, not only causes certain energy loss but also disturbance to a certain degree can be caused to the normal power supply netted greatly, make the power factor of electrical network and motor reduce again simultaneously.In recent ten years, a lot of oil field all have developed various Balame regulating device and instrument carries out balanced adjustment to in-service common beam oil pumper so that application life that is energy-conservation and prolongation oil pumper, and these Balame regulating devices are only confined to the realization of mechanical aspects and the optimization of balancing tool
As by changing different balance weights, and balance adjustment still needs manual operation.Oil recovery workman's
Labour intensity is large, and situation about falling down from crank during work high above the ground oil recovery workman's balancing has it once in a while, there is potential safety hazard.
Summary of the invention
Object of the present invention is exactly for above-mentioned Problems existing, designs a kind of beam pumping unit balance automatic regulating apparatus and autocontrol method.
Beam pumping unit balance automatic regulating apparatus and autocontrol method, its automatic regulating apparatus comprises: motor, worm type of reduction gearing, thrust bearing, observation port, balance weight, driving leading screw, tandem-driving bogie, conducting slip ring, switch board.The tandem-driving bogie of described beam pumping unit balance automatic regulating apparatus is cuboid, inner install to be slidably matched with it also can move back and forth balance weight, be provided with observation port for observing balance weight position, balance weight controls to move back and forth by the driving leading screw running through tandem-driving bogie inside, one end of leading screw is driven to connect motor, motor is connected with driving leading screw by worm type of reduction gearing, drives leading screw two ends to be provided with thrust bearing.
The motor that above-mentioned beam pumping unit balances in automatic regulating apparatus and autocontrol method is 24V direct current generator.
The conducting slip ring standing part that above-mentioned beam pumping unit balances in automatic regulating apparatus and autocontrol method is connected with switch board by wire, movable part is connected with motor by wire, conducting slip ring is arranged on reduction gearbox output shaft, between reduction box and crank.
Above-mentioned beam pumping unit balances module for metering electric quantity, electric current and the voltage data acquisition module that the switch board in automatic regulating apparatus and autocontrol method is provided with central processing unit and is connected successively with its first input end, be connected with its second input for judging on oil pumper or the signal acquisition module of down stroke, the first output of described central processing unit be used for the rotating of output motor and time signal and be connected with the control circuit of motor, the second output being for exporting test cycle signal and being connected with data acquisition module.
Above-mentioned beam pumping unit balance automatic regulating apparatus and autocontrol method, its autocontrol method:
First, electric current and voltage is detected respectively by current transformer and voltage measuring apparatus, gather oil pumper respectively upper, voltage during down stroke and current information, and by voltage and current signal input data acquisition module, then the voltage gathered and current information inputted module for metering electric quantity and measure electric energy at this, then central processing unit is inputted, signal acquisition module for judging oil pumper up-down stroke is installed simultaneously on oil pumper, upper or the down stroke state collected, the information of state is also input in central processing unit, adopt on reciprocal multiple stroke accumulation calculating oil pumper, the useful work that down stroke is done, calculate the balanced ratio of current oil pumper.
Secondly, the balanced ratio of above-mentioned balanced ratio and setting is compared, if balanced ratio does not reach in the critical field of setting, namely moving direction and the distance of balance weight is determined, then the rotating signal of output motor and rotation time signal are to the control circuit of motor, by controlling the turning to of motor, rotating speed and time, realizing balance weight and moving in tandem-driving bogie, adjustment oil pumper is to equilibrium state;
3rd, setting balanced ratio test period h, if balanced ratio reaches in the scope of setting, then exports test cycle signal, determines the time of signals collecting next time, regularly repeat above-mentioned steps.
4th, balance of well pumping unit automatic controller computational process
Adopt phase three-wire three two elements measuring method, closing phase rating formula is
P?=?Uab?×?Ia?+?Ucb?×?Ic
In formula: P-conjunction phase power kw.h
Uab-a phase and b phase voltage, V
Ia-a phase current, A
Ucb-c phase and b phase voltage, V
Ic-c phase current, A
The degree of balance calculates: work as A
1<A
2time, B=A
1/ A
2× 100%, scope 0 ~ 100%
Work as A
1> A
2time, B=A
2/ A
1× 100%, scope 0 ~ 100%
In formula:
B-degree of balance %
A
1-upstroke active energy kw.h,
A
2-down stroke active energy kw.h,
Continuous measurement 10 times, gets progressive average; Ideally, A
1=A
2, B=100%
When degree of balance B is greater than Bmax, oil pumper is balance, without the need to adjustment
Adjustment distance calculates: S=B
if---B
survey× δ
In formula:
S-adjustment distance
B
if-setting degree of balance %
B
survey-measure degree of balance %
δ-regulation time, second
The invention has the beneficial effects as follows: the balance adjustment technology of foundation principle of moment balance and beam pumping unit, in conjunction with machine driving and electrical control theory, the change of mobile balanced block position on oil pumping machine crank, realize storage and the release of energy, thus reach the unbalanced situation of oil well produced after active balance down-hole fluid column and surface production situation change.Automatically the balanced ratio of the upper and lower stroke of oil pumper is detected by automatic controls, and compare with setting value, automatic controls output signal drive motors forward and backward, balance weight in driven equilibrium case moves, realize beam pumping unit balance quick, accurately adjust, reach the object of saving electric energy, extending oil pumper application life, and alleviate the labour intensity of oil recovery workman, ensure that oilfield safety is produced.
Accompanying drawing explanation
Fig. 1-the present invention is main looks complete section structural representation
The on-the-spot application structure schematic diagram of Fig. 2-the present invention
Fig. 3-control principle block diagram of the present invention
Fig. 4-operating principle block diagram of the present invention
In figure, 1. motor, 2. worm type of reduction gearing, 3. thrust bearing, 4. observation port, 5. balance weight, 6. drives leading screw, 7. tandem-driving bogie, 8. conducting slip ring, 9. switch board, 10. beam pumping unit balance automatic regulating apparatus, 11. cranks, 12. oil pumpers, 13. well heads.
Detailed description of the invention
For disclosing technical scheme of the present invention further, elaborated by embodiment below in conjunction with accompanying drawing:
Beam pumping unit balance automatic regulating apparatus and autocontrol method, its automatic regulating apparatus is made up of motor 1, worm type of reduction gearing 2, thrust bearing 3, observation port 4, balance weight 5, driving leading screw 6, tandem-driving bogie 7, conducting slip ring 8, switch board 9.The tandem-driving bogie 7 of described beam pumping unit balance automatic regulating apparatus is cuboid, inner install to be slidably matched with it also can move back and forth balance weight 5, be provided with observation port 4 for observing balance weight 5 position, balance weight 5 controls to move back and forth by the driving leading screw 6 running through tandem-driving bogie 7 inside, one end of leading screw 6 is driven to connect 24V direct current generator 1, motor 1 is connected with driving leading screw 5 by worm type of reduction gearing 2, drives leading screw 5 two ends to be provided with thrust bearing 2.Conducting slip ring 8 standing part is connected with switch board 9 by wire, and slipper is connected with motor 1 by wire, is arranged on reduction gearbox output shaft, between reduction box and crank 11.Tandem-driving bogie 7 and motor 1, worm type of reduction gearing 2, balance weight 5, driving leading screw 6, be firmly arranged on the upper and lower both sides of oil pumping machine crank 11.
Beam pumping unit balances the central processor CPU of the switch board 9 in automatic regulating apparatus and autocontrol method and is connected module for metering electric quantity, electric current and voltage data acquisition module successively with its first input end, the signal acquisition module for judging the upper and lower stroke of oil pumper be connected with its second input, the positive and negative dress signal output part of motor 1 of central processing unit is connected with the control circuit of motor 1.Electric current and voltage is detected respectively by current transformer and voltage measuring apparatus, and by voltage and current signal input data acquisition module, then the voltage gathered and current information inputted module for metering electric quantity and measure electric energy at this, then central processing unit is inputted, the signal acquisition module (such as proximity switch) for judging the upper and lower stroke of oil pumper of simultaneously installing on oil pumper, the information of the upper and lower stroke collected also is input in central processing unit, middle
Processor processes according to the electric quantity metering information received and upper and lower stroke information, measures the useful work A that the upper and lower stroke of oil pumper does respectively
1, A
2, and by reciprocal multiple stroke cumulative measurement, then calculated equilibrium rate B, and with the balanced ratio B of setting
ifcompare, if balanced ratio B does not reach in the critical field of setting, namely moving direction and the distance S of balance weight 5 is determined, then the forward and backward signal moving direction of balance weight 5 (namely control) of output motor 1 and rotation time signal second are to the control circuit of motor 1 (rotating speed of motor moves, and controls the displacement S of balance weight 5 by controlling rotation time); If balanced ratio B reaches in the scope of setting, then export test cycle signal (the period setting signal acquisition time namely set), determine the time (test period can be determined according to actual conditions, can be several hours, also can be tens hours) of signals collecting next time.
Claims (5)
1. beam pumping unit balance automatic regulating apparatus and an autocontrol method, its automatic regulating apparatus comprises: motor (1), worm type of reduction gearing (2), thrust bearing (3), observation port (4), balance weight (5), driving leading screw (6), tandem-driving bogie (7), conducting slip ring (8), switch board (9); It is characterized in that: the tandem-driving bogie (7) of described beam pumping unit balance automatic regulating apparatus is cuboid, inner install to be slidably matched with it also can move back and forth balance weight (5), be provided with observation port (4) for observing balance weight (5) position, balance weight (5) controls to move back and forth by running through the inner driving leading screw (6) of tandem-driving bogie (7), one end of leading screw (6) is driven to connect motor (1), motor (1) is connected with driving leading screw (5) by worm type of reduction gearing (2), drives leading screw (5) two ends to be provided with thrust bearing (2).
2. beam pumping unit balance automatic regulating apparatus according to claim 1 and autocontrol method, is characterized in that: described motor (1) is 24V direct current generator.
3. beam pumping unit balance automatic regulating apparatus according to claim 1 and autocontrol method, it is characterized in that: described conducting slip ring (8) standing part is connected with switch board (9) by wire, and movable part is connected with motor (1) by wire.
4. beam pumping unit balance automatic regulating apparatus according to claim 1 and autocontrol method, it is characterized in that: the module for metering electric quantity that described switch board (9) is provided with central processing unit (CPU) and is connected successively with its first input end, electric current and voltage data acquisition module, be connected with its second input for judging on oil pumper or the signal acquisition module of down stroke, first output of described central processing unit is used for the rotating of output motor and time signal and is connected with the control circuit of motor, second output is for exporting test cycle signal and being connected with data acquisition module.
5. beam pumping unit balance automatic regulating apparatus according to claim 1 and autocontrol method, its autocontrol method:
First, electric current and voltage is detected respectively by current transformer and voltage measuring apparatus, gather oil pumper respectively upper, voltage during down stroke and current information, and by voltage and current signal input data acquisition module, then the voltage gathered and current information inputted module for metering electric quantity and measure electric energy at this, then central processing unit is inputted, signal acquisition module for judging oil pumper up-down stroke is installed simultaneously on oil pumper, upper or the down stroke state collected, the information of state is also input in central processing unit, adopt on reciprocal multiple stroke accumulation calculating oil pumper, the useful work that down stroke is done, calculate the balanced ratio of current oil pumper, secondly, the balanced ratio of above-mentioned balanced ratio and setting is compared, if balanced ratio does not reach in the critical field of setting, namely moving direction and the distance of balance weight (5) is determined, then the rotating signal of output motor (1) and rotation time signal are to the control circuit of motor (1), by controlling motor the turning to of (1), rotating speed and time, realizing balance weight mobile (5) tandem-driving bogie (7) in, adjusting oil pumper to equilibrium state, 3rd, setting balanced ratio test period h, if balanced ratio reaches in the scope of setting, then exports test cycle signal, determines the time of signals collecting next time, regularly repeat above-mentioned steps, 4th, balance of well pumping unit automatic controller computational process
Adopt phase three-wire three two elements measuring method, closing phase rating formula is
P?=?Uab?×?Ia?+?Ucb?×?Ic
The degree of balance calculates: work as A
1<A
2time, B=A1/A
2× 100%, scope 0 ~ 100%
Work as A
1> A
2time, B=A
2/ A
1× 100%, scope 0 ~ 100%
In formula: B-degree of balance %
A
1-upstroke active energy kw.h,
A
2-down stroke active energy kw.h,
Continuous measurement 10 times, gets progressive average; Ideally, A
1=A
2, B=100%;
When degree of balance B is greater than Bmax, oil pumper is balance, without the need to adjustment
Adjustment distance calculates: S=B
if---B
survey× δ
In formula: S-adjustment distance
B
if-setting degree of balance %
B
survey-measure degree of balance %
δ-regulation time, second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534549.9A CN104265247A (en) | 2014-10-11 | 2014-10-11 | Automatic beam pumper balance adjustment device and automatic control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410534549.9A CN104265247A (en) | 2014-10-11 | 2014-10-11 | Automatic beam pumper balance adjustment device and automatic control method |
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| Publication Number | Publication Date |
|---|---|
| CN104265247A true CN104265247A (en) | 2015-01-07 |
Family
ID=52156805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410534549.9A Pending CN104265247A (en) | 2014-10-11 | 2014-10-11 | Automatic beam pumper balance adjustment device and automatic control method |
Country Status (1)
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| CN (1) | CN104265247A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712293A (en) * | 2015-04-03 | 2015-06-17 | 长江大学 | Real-time adjusting device for auxiliary balance blocks of pumping unit |
| CN105350943A (en) * | 2015-11-25 | 2016-02-24 | 中国石油化工股份有限公司胜利油田分公司技术检测中心 | Automatic adjusting device and method of walking beam type pumping unit balance degree through minimum power method |
| CN106014910A (en) * | 2016-05-20 | 2016-10-12 | 东北石油大学 | Combined type double-acting rod type oil well pump and oil extraction method thereof |
| CN107143311A (en) * | 2016-03-01 | 2017-09-08 | 中国石油化工股份有限公司 | Beam-pumping unit crank self balancing device |
| CN110094186A (en) * | 2019-05-27 | 2019-08-06 | 陕西安控科技有限公司 | A kind of balance of well pumping unit degree adjusting method |
| CN110424929A (en) * | 2019-09-03 | 2019-11-08 | 西南石油大学 | Crank balance regulating device based on gravity |
| CN110543116A (en) * | 2019-08-23 | 2019-12-06 | 华耀时代(天津)科技有限公司 | Tail walking beam ground control device |
| CN111878043A (en) * | 2020-09-02 | 2020-11-03 | 中国石油化工股份有限公司 | Rotary and flow type balance block of beam-pumping unit and adjusting method |
| CN111894552A (en) * | 2020-07-31 | 2020-11-06 | 石家庄爱科特科技开发有限公司 | Power method beam-pumping unit balance analysis appearance |
| CN116398410A (en) * | 2023-06-06 | 2023-07-07 | 山东石油化工学院 | Balancing method and device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712293A (en) * | 2015-04-03 | 2015-06-17 | 长江大学 | Real-time adjusting device for auxiliary balance blocks of pumping unit |
| CN105350943A (en) * | 2015-11-25 | 2016-02-24 | 中国石油化工股份有限公司胜利油田分公司技术检测中心 | Automatic adjusting device and method of walking beam type pumping unit balance degree through minimum power method |
| CN105350943B (en) * | 2015-11-25 | 2018-01-02 | 中国石油化工股份有限公司胜利油田分公司技术检测中心 | Beam pumping unit degree of balance minimum stream power self-checking device and method |
| CN107143311A (en) * | 2016-03-01 | 2017-09-08 | 中国石油化工股份有限公司 | Beam-pumping unit crank self balancing device |
| CN106014910A (en) * | 2016-05-20 | 2016-10-12 | 东北石油大学 | Combined type double-acting rod type oil well pump and oil extraction method thereof |
| CN106014910B (en) * | 2016-05-20 | 2018-04-20 | 东北石油大学 | Combined type double acting rod-type pumping unit and its oil production method |
| CN110094186A (en) * | 2019-05-27 | 2019-08-06 | 陕西安控科技有限公司 | A kind of balance of well pumping unit degree adjusting method |
| CN110543116A (en) * | 2019-08-23 | 2019-12-06 | 华耀时代(天津)科技有限公司 | Tail walking beam ground control device |
| CN110424929A (en) * | 2019-09-03 | 2019-11-08 | 西南石油大学 | Crank balance regulating device based on gravity |
| CN111894552A (en) * | 2020-07-31 | 2020-11-06 | 石家庄爱科特科技开发有限公司 | Power method beam-pumping unit balance analysis appearance |
| CN111878043A (en) * | 2020-09-02 | 2020-11-03 | 中国石油化工股份有限公司 | Rotary and flow type balance block of beam-pumping unit and adjusting method |
| CN111878043B (en) * | 2020-09-02 | 2022-05-03 | 中国石油化工股份有限公司 | Rotary and flow type balance block of beam-pumping unit and adjusting method |
| CN116398410A (en) * | 2023-06-06 | 2023-07-07 | 山东石油化工学院 | Balancing method and device |
| CN116398410B (en) * | 2023-06-06 | 2023-08-29 | 山东石油化工学院 | Balancing method and device |
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