WO2022205773A1 - 一种多相位调控多井抽油机 - Google Patents
一种多相位调控多井抽油机 Download PDFInfo
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- WO2022205773A1 WO2022205773A1 PCT/CN2021/117064 CN2021117064W WO2022205773A1 WO 2022205773 A1 WO2022205773 A1 WO 2022205773A1 CN 2021117064 W CN2021117064 W CN 2021117064W WO 2022205773 A1 WO2022205773 A1 WO 2022205773A1
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- power
- power cord
- pumping unit
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- well
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- 238000005086 pumping Methods 0.000 title claims abstract description 86
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000013473 artificial intelligence Methods 0.000 claims description 6
- 239000003129 oil well Substances 0.000 claims description 5
- 210000000078 claw Anatomy 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
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- 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
- 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
Definitions
- the invention relates to oil exploitation equipment, in particular to a multi-phase control multi-well pumping unit.
- the present invention aims to solve at least one of the technical problems existing in the above-mentioned prior art or related technologies, and provides a multi-phase control multi-well pumping unit, which effectively reduces the energy consumption of the multi-well pumping unit system, thereby increasing the production capacity.
- a multi-phase control multi-well pumping unit comprising: a power part, which outputs torque through a rotating shaft; a crank part, the crank part includes two crank mechanisms, and the two crank mechanisms are respectively connected with The two ends of the rotating shaft are fixedly connected, and the free end of the crank mechanism is connected to the power cord; the power output part, the power output part includes a plurality of power cord guide assemblies, which are fixed on the power output frame; the crank mechanism The free end of the power cord is fixedly connected with one end of the power cord, and the other end of the power cord provides power output to the outside through the power cord guide assembly.
- the mutually symmetrical crank mechanisms drive multiple power flex ropes for power output, and two synchronously moving power flex ropes jointly drive an oil well. During exercise, the force is balanced and the load is reduced.
- the rotating shaft of the power unit is configured as a single shaft with dual outputs, and the frame structure is compact, that is, two crank mechanisms are fixed at both ends of the rotating shaft, and the crank mechanism makes a circular motion around the rotating shaft, and the synchronous rotation of the double crank drives multiple sets of power
- the flexible rope reciprocates to provide power output, and the shaft and frame bear reasonable force
- 3-25 wells are driven through multiple sets of power flexible ropes and power flexible rope guide components with uniform phases (such as universal fixed pulleys), or even More
- the pumping wells can be evenly distributed on the same straight line, or non-uniformly and non-linearly arranged, the lateral force balance of the power base is ensured through the lateral foundation, and the force balance between multiple wells in the straight line direction; through the universal fixed pulley Solve the mechanical and dynamic balance in the process of multi-well rig energy transmission, simplify the system structure, and realize the problem of multi-well rig system structure, reasonable force, function, and superior characteristics.
- the multi-phase control multi-well pumping unit preferably, further comprising: a wellhead stroke adjustment mechanism, the wellhead stroke adjustment mechanism specifically includes an input pulley, a power flexible rope effective length adjustment assembly and an output pulley, and the power flexible rope passes through the input pulley.
- the pulley is connected to the effective length adjustment assembly of the power flexible rope, and after the effective length of the power flexible rope is adjusted, it is connected to the oil pumping assembly at the wellhead through the output pulley.
- the diameter combination of coaxial pulleys with different diameters is used to change the diameter combination, and the length of the reciprocating stroke is adjusted. It is fixed on another fixed pulley with different diameters coaxial. Reciprocating motion is carried out under the two-way restriction of the main power of the power section and the sucker rod pump. The independent adjustment of the strokes of the pumping components of each pumping well is realized, which plays an important role in the flexible adjustment and smooth operation of the multi-well system.
- the multi-phase control and multi-well pumping unit preferably, it further comprises: a single-well shutdown balance mechanism, and the single-well shutdown balance mechanism specifically includes a balance rope, a balance weight block, a plurality of input pulleys, a plurality of power flexible The rope control sliding sleeve, multiple hooks, multiple hook connecting ropes and multiple limit blocks, the power flexible rope drawn from the power flexible rope guide assembly passes through the input pulley and the power flexible rope control sliding sleeve to provide power output to the outside, limited
- the position block is fixed on the power cord on the output side of the power cord control slide sleeve, one end of the hook connection cord is connected to the hook, and the other end of the hook cord is connected to the power cord control slide sleeve.
- the position block drives the power cord to control the movement of the sliding sleeve, and further drives the movement of the hook, so that the hook is attached to the balance rope, and the balance rope drives the balance weight block to reciprocate up and down to
- the single well shutdown balance mechanism converts the faulty well load into a backup load when a single well fails to stop pumping, so as to avoid affecting the normal operation of the system and affecting the operation of multiple wells. Rate.
- the multi-phase control multi-well pumping unit preferably, it further comprises: a power cord quick disconnection mechanism, and the power cord quick disconnect mechanism specifically includes a power cord input end, a control cord, a sleeve connected in sequence The connecting mechanism, the disconnecting jaw and the output end of the power flexible rope.
- the socketing mechanism includes an outer casing and an inner casing. The disconnecting claw is set in the socketing mechanism to fix the outer casing and the inner casing. After the power rope is overloaded, the pull control is performed. The control rope further drives the movement of the outer casing to trigger the disengagement jaws, so as to separate the outer casing and the inner casing.
- the power flexible rope quick disconnect mechanism plays the role of overload protection, and a tension sensor can also be set on the power flexible rope quick disconnect mechanism to realize single well load calculation.
- the multi-phase control and multi-well pumping unit preferably, it further includes: an artificial intelligence management system.
- the artificial intelligence management system includes an electrical parameter acquisition device and a flexible rope tension detection device for acquiring electrical parameters of the pumping unit. As well as the force data of the single well flexible rope and upload the electrical parameters and force data to the oilfield management cloud platform.
- the pumping unit system supports the installation of a single-well load displacement sensor and supporting intelligent system software, intelligently calculates the single-well fluid flow and pressure, diagnoses and analyzes more than 100 working conditions of the pump, and realizes the adjustment of the main engine of the system stroke. , Optimal control of machines, pumps, wells, layers and wells.
- the rotating shaft is located at the center of the power take-off frame.
- the power part specifically includes: a motor and a reducer, the motor and the reducer are connected by a transmission mechanism, and the power output shaft of the reducer is used as a rotating shaft.
- the transmission mechanism specifically includes: an overload clutch, a chain, a sprocket and a transmission shaft, wherein the overload clutch and the sprocket are coaxially connected to the motor through the transmission shaft, and the chain Connect the motor sprocket and reducer sprocket so that the motor drives the reducer.
- the crank mechanism specifically includes: a crank and a power cord connection plate, the power cord connection disc is fixed on the free end of the crank, and the power cord connection disc is provided with Multiple power cord fixing holes.
- the power cord guide assembly specifically includes: a horizontal axis and two pulleys fixed on the horizontal axis;
- the power output frame specifically includes: a frame, a first rail Like the second rail, the first rail and the second rail have the same structure, are coaxially fixed on the frame, and the two ends of the horizontal shaft are vertically fixed between the first rail and the second rail.
- the first track and the second track are circular or regular polygons.
- the multi-phase control and multi-well pumping unit preferably, it further comprises: an electric control box, the electric control box is connected to the power part.
- the multi-phase control and multi-well pumping unit preferably, it further comprises: a braking device, and the braking device is connected to the power part.
- the multi-phase control multi-well pumping unit preferably, it further comprises: a no-loss oil pump, which is arranged in the oil well, and the power cord is connected to the no-loss pump through a sucker rod.
- the beneficial effects obtained by the present invention at least include: the pumping unit system drives the double cranks as the power source through the two ends of the rotating shaft, and the double crank power output mechanism leads out multiple groups of power flex ropes to drive multiple pumping wells to work through the evenly distributed guiding components.
- the ineffectiveness (the weight of the sucker rod) cancels each other out, the uniform distribution of the alternating load tends to be constant, the force of the system tends to be reasonable and constant, and the work of the motor tends to be efficient, which solves the unreasonable force and high energy consumption of conventional beam pumping.
- Inefficiency and other problems have achieved the goal of greatly saving energy and improving efficiency and reducing equipment investment and maintenance costs.
- the multi-phase control multi-well pumping unit drives 8 wells simultaneously through one power unit: the average maximum load is reduced by 86.2%; the alternating load is reduced by 87.9% ; The total unit weight, installed power and volume are reduced by 89.9%; the energy consumption of the multi-well pumping unit system is effectively reduced, thereby increasing the production capacity.
- FIG. 1 shows a partial top plan view of a multi-phase control multi-well pumping unit according to an embodiment of the present invention.
- FIG. 2 shows a schematic partial front view of a multi-phase control multi-well pumping unit according to an embodiment of the present invention.
- FIG. 3 shows a partial three-dimensional schematic diagram of a multi-phase control multi-well pumping unit according to an embodiment of the present invention.
- FIG. 4 shows a schematic diagram of the overall structure of a multi-phase control multi-well pumping unit according to an embodiment of the present invention.
- a feature defined as “first”, “second”, etc. may expressly or implicitly include one or more of that feature.
- “plurality” means two or more.
- the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection
- the connection can also be indirectly connected through an intermediate medium, and it can be the internal communication of two elements.
- the specific meanings of the above terms in the present invention can be understood through specific situations.
- the multi-phase control multi-well pumping unit disclosed in the present invention includes: a power part, which outputs torque through a rotating shaft 1; a crank part, which includes two crank mechanisms 2, The two crank mechanisms are respectively fixedly connected with the two ends of the rotating shaft, and the free end of the crank mechanism is connected with the power cord 3; the power output part, the power output part includes a plurality of power cord guide assemblies 4 evenly distributed along the circumference, a plurality of power cords
- the flexible rope guide assembly is fixed on the power output frame 5; the free end of the crank mechanism is fixedly connected with one end of the power flexible rope, and the other end of the power flexible rope provides power output to the outside through the power flexible rope guide assembly.
- the mutually symmetrical crank mechanisms respectively drive a plurality of power cords to output power, and the two synchronously moving power cords jointly drive an oil well.
- the rotating shaft of the power unit is configured as a single shaft with dual outputs
- the frame structure is compact, that is, two crank mechanisms are fixed at both ends of the rotating shaft, and the synchronous rotation of the double crank drives multiple sets of power cords to reciprocate to provide Power output, shaft and frame bear reasonable force; drive 3-25 wells, or even more, through multiple sets of power cords and power cord guide assemblies with evenly distributed phases (for example, universal fixed pulleys); pumping wells can be Evenly distributed on the same straight line, it can also be non-uniformly and non-linearly arranged.
- the lateral force balance of the power base is ensured by the lateral foundation, and the force balance between multiple wells in the linear direction; the universal fixed pulley is used to solve the energy transmission process of multiple well rigs
- the mechanical and dynamic balance in the system simplify the system structure, realize the problems of multi-well system structure, reasonable force, function and superior characteristics, use the universal pulley block system structure to optimize the layout, connect the foundation, frame, pulley block and wheel
- the system and adjustment mechanism realize the main functions: landing of the power cord, normalization of the power transmission on both sides, accurate change of the transmission angle of the power cord to the single well, reasonably transmitting the power of the pumping unit to each driven single well, Perform reciprocating oil extraction. Adjusting the stroke and balance of a single well can be achieved through the wellhead power conversion device; by matching the non-leak oil pump, it can also achieve higher production and lower energy consumption.
- the multi-phase control and multi-well pumping unit disclosed in the present invention further includes: a wellhead stroke adjustment mechanism 19 , and the wellhead stroke adjustment mechanism specifically includes an input pulley, a power cord effective length adjustment Assembly and output pulley, the power flexible rope is connected to the effective length adjustment assembly of the power flexible rope through the input pulley, and after the effective length of the power flexible rope is adjusted, it is connected to the oil pumping assembly 22 at the wellhead through the output pulley.
- coaxial pulleys with different diameters are used to change the diameter combination to adjust the length of the reciprocating stroke.
- the input end of the power flexible rope from the power unit is fixed on a fixed pulley with a diameter and is connected to the flexible rope output end of the wellhead hanger. It is fixed on another fixed pulley with different diameters coaxial. Reciprocating motion is performed under the two-way restriction of the main power of the power section and the sucker rod pump.
- the independent adjustment of the strokes of the pumping components of each pumping well is realized, which plays an important role in the flexible adjustment and smooth operation of the multi-well system.
- the multi-phase control and multi-well pumping unit disclosed in the present invention further includes: a single-well shutdown balance mechanism 20, and the single-well shutdown balance mechanism specifically includes a balance rope and a balance weight block.
- the limit block is fixed on the power flexible rope on the output side of the power flexible rope control sliding sleeve, one end of the hook connecting rope is connected to the hook, and the other end of the hook connecting rope is connected to the power flexible rope control sliding sleeve ,
- the limit block drives the power cord to control the movement of the sliding sleeve, which further drives the movement of the hook, so that the hook hangs on the balance rope, and the balance rope drives the balance weight to reciprocate up and down to simulate the wellhead tension.
- the single-well shutdown balance mechanism converts the load of the faulty well into a backup load when the pumping of a single well is stopped due to failure, so as to avoid affecting the normal operation of the system and affecting the operation of multiple wells. Rate.
- the power cord quick disconnection mechanism specifically includes a power cord input end, a control cord, a socket mechanism, a disconnection claw and a power cord connected in sequence.
- the socketing mechanism includes an outer casing and an inner casing. The disengaging jaws are arranged in the socketing mechanism to fix the outer casing and the inner casing. When the power flexible rope is overloaded, the control rope is pulled, and the control rope further drives the outer casing to move. The disengagement jaws are activated to separate the outer and inner sleeves.
- the quick disconnection mechanism of the power cord is the weak link in the power transmission system of the pumping unit, and plays the role of overload protection, and a tension sensor can also be set on the quick disconnection mechanism of the power cord to realize single well load calculation.
- the artificial intelligence management system includes an electrical parameter acquisition device and a flexible rope tension detection device, which are used to collect the electrical parameters of the pumping unit and the force data of the single well flexible rope And upload the electrical parameters and force data to the oilfield management cloud platform.
- the pumping unit system supports the installation of a single-well load displacement sensor and supporting intelligent system software, intelligently calculates the single-well fluid flow and pressure, diagnoses and analyzes more than 100 working conditions of the pump, and realizes the adjustment of the main engine of the system stroke. , Optimal control of machines, pumps, wells, layers and wells.
- the rotating shaft is located at the center of the power take-off frame.
- the power part specifically includes: a motor 6 and a reducer 7, the motor and the reducer are connected by a transmission mechanism, and the power output shaft of the reducer is used as a rotating shaft.
- the transmission mechanism specifically includes: an overload clutch 8, a chain 9, a sprocket and a transmission shaft 10, wherein the overload clutch and the sprocket are coaxially connected to the motor through the transmission shaft, and the chain connects the motor sprocket 11 and Reducer sprocket 12 so that the motor drives the reducer.
- the crank mechanism specifically includes: a crank and a power cord connection plate 13, the power cord connection disc is fixed on the free end of the crank, and the power cord connection disc is provided with a plurality of power cord fixing holes 21 .
- the power cord guide assembly is evenly fixed on the power output frame
- the power cord guide assembly 4 specifically includes: a horizontal shaft 14 and two pulleys 15 fixed on the horizontal shaft;
- the power output frame specifically includes: :
- the first track and the second track are circular or regular polygons.
- it further includes: an electric control box, the electric control box is connected to the power part.
- a braking device is further included, and the braking device is connected to the power part.
- the oil sucking assembly specifically includes: a no-leak oil pump, which is arranged in the oil well, and the power cord is connected to the no-leak oil pump through a sucker rod.
- the multi-phase control multi-well pumping unit drives the double cranks as the power source through the two ends of the rotating shaft, and the double crank power output mechanism leads out multiple groups of power cords to drive multiple pumping wells to work through the evenly distributed guiding components, and the inter-well is invalid. (Sucker rod weight) cancel each other out, the alternating load is evenly distributed and tends to be constant, the system force is reasonable and tends to be constant, and the motor work tends to be efficient, which solves the unreasonable force, high energy consumption and low efficiency of conventional beam pumping. And other problems, to achieve the goal of greatly saving energy, improving efficiency and reducing equipment investment and maintenance costs.
- the multi-phase control multi-well pumping unit drives 8 wells simultaneously through one power unit: the average maximum load is reduced by 86.2%; the alternating load is reduced by 87.9% ; The total unit weight, installed power and volume are reduced by 89.9%; the energy consumption of the multi-well pumping unit system is effectively reduced, thereby increasing the production capacity.
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Abstract
本发明提供了一种多相位调控多井抽油机,涉及石油开采设备,包括:动力部,动力部通过转轴输出扭矩;曲柄部,曲柄部包括至少两个曲柄机构,两个曲柄机构分别与转轴的两端部固定连接,曲柄机构的自由端连接动力柔绳;动力输出部,动力输出部包括多个沿圆周均匀分布的动力柔绳导向组件,多个动力柔绳导向组件固定在动力输出架上;曲柄机构的自由端与动力柔绳的一端固定连接,动力柔绳的另一端经由动力柔绳导向组件向外部提供动力输出。该抽油机***通过转轴两端驱动双曲柄作为动力源,双曲柄动力输出机构引出多组动力柔绳通过均匀分布的导向组件带动多个抽油井工作,能够有效降低多井抽油机***的能耗,进而提高产能。
Description
本发明涉及石油开采设备,具体而言,涉及一种多相位调控多井抽油机。
近年来油价低迷,油田开采效益逐年变差,国内外油田现有抽油井200万口以上,国内40-50万口抽油井,多数都是抽油机抽油,由于抽油机发展近百年,没有重大技术突破,现有的抽油机普遍存在能耗大、体积大、重量大,抽油效率效益较低等问题,因此,研究发明高效、高端智能抽油机提高开采效益符合石油行业发展趋势,在强调安全环保和国土资源紧缺的大环境下,急需设计一种能耗低,抽油效率高的抽油设备。
发明内容
本发明旨在至少解决上述现有技术或相关技术中存在的技术问题之一,提供了一种多相位调控多井抽油机,有效降低多井抽油机***的能耗,进而提高产能。
本发明是通过以下技术方案予以实现:一种多相位调控多井抽油机,包括:动力部,动力部通过转轴输出扭矩;曲柄部,曲柄部包括两个曲柄机构,两个曲柄机构分别与转轴的两端部固定连接,曲柄机构的自由端连接动力柔绳;动力输出部,动力输出部包括多个动力柔绳导向组件,多个动力柔绳导向组件固定在动力输出架上;曲柄机构的自由端与动力柔绳的一端固定连接,动力柔绳的另一端经由动力柔绳导向组件向外部提供动力输出。相互对称的曲柄机构各自带动多根动力柔绳进行动力输出,两根同步运动的动力柔绳共同驱动一口抽油井,多组动力柔绳通过动力输出部约束动力输出方向,使得曲柄机构在做圆周运动时受力均衡,降低负载荷。
在该技术方案中,动力部的转轴被配置为单轴双输出,机架结构紧凑,即转轴两端固定两个曲柄机构,曲柄机构绕转轴做圆周运动,双曲柄的同步转动带动多组动力柔绳做往复运动以提供动力输出,转轴和机架受力合理;通过多组动力柔绳和相位均布的动力柔绳导向组件(例如:万向定滑轮)驱动3-25口井,甚至更多;抽油井可在同一直线上均布,也可非均匀非直线布置,通过侧向基础保证动力底座的侧向受力平衡,直线方向靠多井间受力平衡;通过万向定滑轮解决多井机能量传送过程中的力学、动力平衡,简化*** 结构,实现多井机***结构、受力合理、功能、优越特性更好发挥的问题,利用万向滑轮组***优化结构布局,通过基础、框架、滑轮组、轮连接***及调节机构实现主要功能:动力柔绳落地、双侧动力传输归一、动力柔绳向单井传送角度的准确转变,把抽油机主机的动力合理地传递到各个被驱动的单井,进行往复抽油。调整单井冲程和平衡可通过井口动力转化装置实现;通过配套不漏失抽油泵,还能够实现更高的产量和更低的能耗。
根据本发明提供的多相位调控多井抽油机,优选地,还包括:井口调冲程机构,井口调冲程机构具体包括输入滑轮、动力柔绳有效长度调节组件和输出滑轮,动力柔绳通过输入滑轮连接至动力柔绳有效长度调节组件,调整动力柔绳有效长度后通过输出滑轮连接至井口的抽油组件。
在该技术方案中,利用不同直径同轴的滑轮改变直径组合,调整往复冲程长度,来自动力部的动力柔绳输入端固定在一个直径的定滑轮上,连接井口悬绳器的柔绳输出端固定在不同直径同轴的另一定滑轮上。在动力部主动力和抽油杆泵的双向制约条件下作往复运动。实现了各个抽油井抽油组件的冲程独立调整,为多井机***的灵活调整,平稳运行起到了重要作用。
根据本发明提供的多相位调控多井抽油机,优选地,还包括:单井停机平衡机构,单井停机平衡机构具体包括平衡绳、平衡配重块、多个输入滑轮、多个动力柔绳控制滑套、多个挂钩、多条挂钩连接绳和多个限位块,由动力柔绳导向组件引出的动力柔绳穿过输入滑轮和动力柔绳控制滑套向外部提供动力输出,限位块固定在动力柔绳控制滑套的输出侧的动力柔绳上,挂钩连接绳的一端连接挂钩,挂钩连接绳的另一端连接动力柔绳控制滑套,动力柔绳失去井口拉力后,限位块带动动力柔绳控制滑套运动,进一步带动挂钩运动,使挂钩挂靠至平衡绳,平衡绳带动平衡配重块做上下往复运动,以模拟井口拉力。
在该技术方案中,抽油机带动多口抽油井工作时,单井故障停抽时通过单井停机平衡机构将故障井载荷转换为备用载荷,避免影响***正常工作、影响多井机运行时率。
根据本发明提供的多相位调控多井抽油机,优选地,还包括:动力柔绳快速脱接机构,动力柔绳快速脱接机构具体包括依次连接的动力柔绳输入端、控制绳、套接机构、脱接卡爪和动力柔绳输出端,套接机构包括外套管和内套管,脱接卡爪设置在套接机构中固定外套管和内套管,动力柔绳超载后拉动控制绳,控制绳进一步带动外套 管运动触发脱接卡爪,以使外套管和内套管分离。
在该技术方案中,动力柔绳快速脱接机构作为抽油机动力传递***中的薄弱环节,起到过载保护的作用,还能够在动力柔绳快速脱接机构上设置拉力传感器,实现单井载荷的计算。
根据本发明提供的多相位调控多井抽油机,优选地,还包括:人工智能管理***,人工智能管理***包括电参数采集装置和柔绳拉力检测装置,用于采集抽油机的电参数以及单井柔绳的受力数据并将电参数和受力数据上传至油田管理云平台。
在该技术方案中,该抽油机***支持设置单井载荷位移传感器和配套智能***软件,智能计算单井液量流压、诊断分析机泵100多项工况,实现***冲程冲次主机调整,机、泵、井、层及井间优化控制。
根据本发明提供的多相位调控多井抽油机,优选地,转轴位于动力输出架的中心处。
根据本发明提供的多相位调控多井抽油机,优选地,动力部具体包括:电机和减速机,电机和减速机通过传动机构连接,减速机的动力输出轴作为转轴。
根据本发明提供的多相位调控多井抽油机,优选地,传动机构具体包括:过载离合器、链条、链轮和传动轴,其中,过载离合器和链轮通过传动轴与电机同轴连接,链条连接电机链轮和减速机链轮,以使电机驱动减速机。
根据本发明提供的多相位调控多井抽油机,优选地,曲柄机构具体包括:曲柄和动力柔绳连接盘,动力柔绳连接盘固定在曲柄的自由端,动力柔绳连接盘上设有多个动力柔绳固定孔。
根据本发明提供的多相位调控多井抽油机,优选地,动力柔绳导向组件具体包括:横轴以及两个固定在横轴上的滑轮;动力输出架具体包括:机架、第一轨道和第二轨道,第一轨道和第二轨道结构相同,同轴固定在机架上,横轴的两端垂直固定在第一轨道和第二轨道之间。
根据本发明提供的多相位调控多井抽油机,优选地,第一轨道和第二轨道为圆形或者正多边形。
根据本发明提供的多相位调控多井抽油机,优选地,还包括:电控箱,电控箱连接至动力部。
根据本发明提供的多相位调控多井抽油机,优选地,还包括:制动装置,制动装 置连接至动力部。
根据本发明提供的多相位调控多井抽油机,优选地,还包括:不漏失抽油泵,设置在抽油井中,动力柔绳通过抽油杆连接至不漏失抽油泵。
本发明取得的有益效果至少包括:该抽油机***通过转轴两端驱动双曲柄作为动力源,双曲柄动力输出机构引出多组动力柔绳通过均匀分布的导向组件带动多个抽油井工作,井间无效(抽油杆重)互相抵消,交变载荷均匀分布趋于恒定,***受力合理趋于恒定,电机做功趋于高效,解决了常规游梁抽油的受力不合理和能耗大和低效等问题,实现了大幅度节能提高效率和降低设备投入、维护费用的目标。相较于传统的游梁式抽油机***,本发明提供的多相位调控多井抽油机,通过一个动力部同时驱动8口井时:平均最大载荷降低86.2%;交变载荷降低87.9%;总机重量、装机功率、体积降低89.9%;有效降低多井抽油机***的能耗,进而提高产能。
图1示出了根据本发明实施例的多相位调控多井抽油机的局部俯视示意图。
图2示出了根据本发明实施例的多相位调控多井抽油机的局部主视示意图。
图3示出了根据本发明实施例的多相位调控多井抽油机的局部立体结构示意图。
图4示出了根据本发明实施例的多相位调控多井抽油机的整体结构示意图。
为了能够更清楚地理解本发明的上述目的、特征和优点,下面结合附图和具体实施方式对本发明进行进一步的详细描述。
在本发明的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。此外,术语“第一”、“第二”等仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”等的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中,除非另有说明,“多个”的含义是两个或两个以上。术语“安装”、“相连”、“连接” 应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以通过具体情况理解上述术语在本发明中的具体含义。
如图1、图2和图3所示,本发明公开的多相位调控多井抽油机,包括:动力部,动力部通过转轴1输出扭矩;曲柄部,曲柄部包括两个曲柄机构2,两个曲柄机构分别与转轴的两端部固定连接,曲柄机构的自由端连接动力柔绳3;动力输出部,动力输出部包括多个沿圆周均匀分布的动力柔绳导向组件4,多个动力柔绳导向组件固定在动力输出架5上;曲柄机构的自由端与动力柔绳的一端固定连接,动力柔绳的另一端经由动力柔绳导向组件向外部提供动力输出。相互对称的曲柄机构各自带动多根动力柔绳进行动力输出,两根同步运动的动力柔绳共同驱动一口抽油井。
在该实施例中,动力部的转轴被配置为单轴双输出,机架结构紧凑,即转轴两端固定两个曲柄机构,通过双曲柄的同步转动带动多组动力柔绳做往复运动以提供动力输出,转轴和机架受力合理;通过多组动力柔绳和相位均布的动力柔绳导向组件(例如:万向定滑轮)驱动3-25口井,甚至更多;抽油井可在同一直线上均布,也可非均匀非直线布置,通过侧向基础保证动力底座的侧向受力平衡,直线方向靠多井间受力平衡;通过万向定滑轮解决多井机能量传送过程中的力学、动力平衡,简化***结构,实现多井机***结构、受力合理、功能、优越特性更好发挥的问题,利用万向滑轮组***结构优化布局,通过基础、框架、滑轮组、轮连接***及调节机构实现主要功能:动力柔绳落地、双侧动力传输归一、动力柔绳向单井传送角度的准确转变,把抽油机主机的动力合理地传递到各个被驱动的单井,进行往复抽油。调整单井冲程和平衡可通过井口动力转化装置实现;通过配套不漏失抽油泵,还能够实现更高的产量和更低的能耗。
根据上述实施例,优选地,如图4所示,本发明公开的多相位调控多井抽油机还包括:井口调冲程机构19,井口调冲程机构具体包括输入滑轮、动力柔绳有效长度调节组件和输出滑轮,动力柔绳通过输入滑轮连接至动力柔绳有效长度调节组件,调整动力柔绳有效长度后通过输出滑轮连接至井口的抽油组件22。
在该实施例中,利用不同直径同轴的滑轮改变直径组合,调整往复冲程长度,来自动力部的动力柔绳输入端固定在一个直径的定滑轮上,连接井口悬绳器的柔绳输出端固定在不同直径同轴的另一定滑轮上。在动力部主动力和抽油杆泵的双向制约条件下作往复运 动。实现了各个抽油井抽油组件的冲程独立调整,为多井机***的灵活调整,平稳运行起到了重要作用。
根据上述实施例,优选地,如图4所示,本发明公开的多相位调控多井抽油机还包括:单井停机平衡机构20,单井停机平衡机构具体包括平衡绳、平衡配重块、多个输入滑轮、多个动力柔绳控制滑套、多个挂钩、多条挂钩连接绳和多个限位块,由动力柔绳导向组件引出的动力柔绳穿过输入滑轮和动力柔绳控制滑套向外部提供动力输出,限位块固定在动力柔绳控制滑套的输出侧的动力柔绳上,挂钩连接绳的一端连接挂钩,挂钩连接绳的另一端连接动力柔绳控制滑套,动力柔绳失去井口拉力后,限位块带动动力柔绳控制滑套运动,进一步带动挂钩运动,使挂钩挂靠至平衡绳,平衡绳带动平衡配重块做上下往复运动,以模拟井口拉力。
在该实施例中,抽油机带动多口抽油井工作时,单井故障停抽时通过单井停机平衡机构将故障井载荷转换为备用载荷,避免影响***正常工作、影响多井机运行时率。
根据上述实施例,优选地,还包括:动力柔绳快速脱接机构,动力柔绳快速脱接机构具体包括依次连接的动力柔绳输入端、控制绳、套接机构、脱接卡爪和动力柔绳输出端,套接机构包括外套管和内套管,脱接卡爪设置在套接机构中固定外套管和内套管,动力柔绳超载后拉动控制绳,控制绳进一步带动外套管运动触发脱接卡爪,以使外套管和内套管分离。
在该实施例中,动力柔绳快速脱接机构作为抽油机动力传递***中的薄弱环节,起到过载保护的作用,还能够在动力柔绳快速脱接机构上设置拉力传感器,实现单井载荷的计算。
根据上述实施例,优选地,还包括:人工智能管理***,人工智能管理***包括电参数采集装置和柔绳拉力检测装置,用于采集抽油机的电参数以及单井柔绳的受力数据并将电参数和受力数据上传至油田管理云平台。
在该实施例中,该抽油机***支持设置单井载荷位移传感器和配套智能***软件,智能计算单井液量流压、诊断分析机泵100多项工况,实现***冲程冲次主机调整,机、泵、井、层及井间优化控制。
根据上述实施例,优选地,转轴位于动力输出架的中心处。
根据上述实施例,优选地,动力部具体包括:电机6和减速机7,电机和减速机 通过传动机构连接,减速机的动力输出轴作为转轴。
根据上述实施例,优选地,传动机构具体包括:过载离合器8、链条9、链轮和传动轴10,其中,过载离合器和链轮通过传动轴与电机同轴连接,链条连接电机链轮11和减速机链轮12,以使电机驱动减速机。
根据上述实施例,优选地,曲柄机构具体包括:曲柄和动力柔绳连接盘13,动力柔绳连接盘固定在曲柄的自由端,动力柔绳连接盘上设有多个动力柔绳固定孔21。
根据上述实施例,优选地,动力柔绳导向组件均匀固定在动力输出架上,动力柔绳导向组件4具体包括:横轴14以及两个固定在横轴上的滑轮15;动力输出架具体包括:机架、第一轨道16和第二轨道17,第一轨道和第二轨道结构相同,同轴固定在机架上,横轴的两端垂直固定在第一轨道和第二轨道之间。
根据上述实施例,优选地,第一轨道和第二轨道为圆形或者正多边形。
根据上述实施例,优选地,还包括:电控箱,电控箱连接至动力部。
根据上述实施例,优选地,还包括:制动装置,制动装置连接至动力部。
根据上述实施例,优选地,抽油组件具体包括:不漏失抽油泵,设置在抽油井中,动力柔绳通过抽油杆连接至不漏失抽油泵。
本发明提供的多相位调控多井抽油机通过转轴两端驱动双曲柄作为动力源,双曲柄动力输出机构引出多组动力柔绳通过均匀分布的导向组件带动多个抽油井工作,井间无效(抽油杆重)互相抵消,交变载荷均匀分布趋于恒定,***受力合理趋于恒定,电机做功趋于高效,解决了常规游梁抽油的受力不合理和能耗大和低效等问题,实现了大幅度节能提高效率和降低设备投入、维护费用的目标。相较于传统的游梁式抽油机***,本发明提供的多相位调控多井抽油机,通过一个动力部同时驱动8口井时:平均最大载荷降低86.2%;交变载荷降低87.9%;总机重量、装机功率、体积降低89.9%;有效降低多井抽油机***的能耗,进而提高产能。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (11)
- 一种多相位调控多井抽油机,其特征在于,包括:动力部,所述动力部通过转轴输出扭矩;曲柄部,所述曲柄部包括两个曲柄机构,两个所述曲柄机构分别与所述转轴的两端部固定连接,所述曲柄机构的自由端连接动力柔绳;动力输出部,所述动力输出部包括多个动力柔绳导向组件,多个所述动力柔绳导向组件固定在动力输出架上;所述曲柄机构的自由端与所述动力柔绳的一端固定连接,所述动力柔绳的另一端经由所述动力柔绳导向组件向外部提供动力输出。
- 一种多相位调控多井抽油机,其特征在于,所述动力输出部包括多个沿圆周均匀分布的动力柔绳导向组件,多个所述动力柔绳导向组件固定在动力输出架上。
- 根据权利要求1所述的多相位调控多井抽油机,其特征在于,还包括:井口调冲程机构,所述井口调冲程机构具体包括输入滑轮、动力柔绳有效长度调节组件和输出滑轮,所述动力柔绳通过输入滑轮连接至动力柔绳有效长度调节组件,调整动力柔绳有效长度后通过所述输出滑轮连接至井口的抽油组件。
- 根据权利要求1所述的多相位调控多井抽油机,其特征在于,还包括:单井停机平衡机构,所述单井停机平衡机构具体包括平衡绳、平衡配重块、多个输入滑轮、多个动力柔绳控制滑套、多个挂钩、多条挂钩连接绳和多个限位块,由动力柔绳导向组件引出的所述动力柔绳穿过所述输入滑轮和所述动力柔绳控制滑套向外部提供动力输出,所述限位块固定在所述动力柔绳控制滑套的输出侧的所述动力柔绳上,所述挂钩连接绳的一端连接所述挂钩,所述挂钩连接绳的另一端连接所述动力柔绳控制滑套,所述动力柔绳失去井口拉力后,所述限位块带动所述动力柔绳控制滑套运动,进一步带动所述挂钩运动,使所述挂钩挂靠至平衡绳,所述平衡绳带动所述平衡配重块做上下往复运动,以模拟井口拉力。
- 根据权利要求1所述的多相位调控多井抽油机,其特征在于,还包括:动力柔绳快速脱接机构,所述动力柔绳快速脱接机构具体包括依次连接的动力柔绳输入端、控制绳、套接机构、脱接卡爪和动力柔绳输出端,所述套接机构包括外套管和内套管,所述脱接卡爪设置在套接机构中固定所述外套管和内套管,动力柔绳超载后拉动所述控制绳,所述控制绳进一步带动外套管运动触发所述脱接卡爪,以使所 述外套管和所述内套管分离。
- 根据权利要求1所述的多相位调控多井抽油机,其特征在于,还包括:人工智能管理***,所述人工智能管理***包括电参数采集装置和柔绳拉力检测装置,用于采集抽油机的电参数以及单井柔绳的受力数据并将所述电参数和所述受力数据上传至油田管理云平台。
- 根据权利要求1所述的多相位调控多井抽油机,其特征在于,所述动力部具体包括:电机和减速机,所述电机和所述减速机通过传动机构连接,所述减速机的动力输出轴作为所述转轴。
- 根据权利要求6所述的多相位调控多井抽油机,其特征在于,所述传动机构具体包括:过载离合器、链条、链轮和传动轴,其中,所述过载离合器和所述链轮通过所述传动轴与电机同轴连接,所述链条连接电机链轮和减速机链轮,以使所述电机驱动所述减速机。
- 根据权利要求1所述的多相位调控多井抽油机,其特征在于,所述曲柄机构具体包括:曲柄和动力柔绳连接盘,所述动力柔绳连接盘固定在所述曲柄的自由端,所述动力柔绳连接盘上设有多个动力柔绳固定孔。
- 根据权利要求1所述的多相位调控多井抽油机,其特征在于,所述动力柔绳导向组件具体包括:横轴以及两个固定在所述横轴上的滑轮;所述动力输出架具体包括:机架、第一轨道和第二轨道,所述第一轨道和第二轨道结构相同,同轴固定在所述机架上,所述横轴的两端垂直固定在所述第一轨道和所述第二轨道之间。
- 根据权利要求1至10中任一项所述的多相位调控多井抽油机,其特征在于,还包括:不漏失抽油泵,所述不漏失抽油泵设置在抽油井中,所述动力柔绳通过抽油杆连接至所述不漏失抽油泵。
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