阅读说明：本技术 液压抽汲机 (Hydraulic suction machine ) 是由 杨艳昌 高俊 于 2019-08-19 设计创作，主要内容包括：本发明涉及一种液压抽汲机,包括抽汲模块、用于为抽汲模块提供动力的动力模块、用于控制抽汲模块和动力模块动作的控制模块、以及用于支撑抽汲模块、动力模块与控制模块的支腿模块和单元结构模块。其有益效果是：本发明通过液压油缸上下提放的运动实现自动抽汲作业,取代传统抽汲机设备与井架分离的工作模式。本发明中的抽汲机不需要另外安装井架,即可进行自动连续的抽汲作业,且能精确地控制抽油杆上下行程和速度,准确模拟了实际采油作业,并极大地节省了人力、物力、财力和时间；同时还可以与目前油田的修井机配合作业；本发明的抽汲机采用电、液传动与操控,这种传动与操控方式顺应了当前主流装备技术发展的趋势,符合日渐严格的环保要求。(The invention relates to a hydraulic swabbing machine, which comprises a swabbing module, a power module for providing power for the swabbing module, a control module for controlling the actions of the swabbing module and the power module, and a supporting leg module and a unit structure module for supporting the swabbing module, the power module and the control module. The beneficial effects are as follows: the invention realizes automatic pumping operation through the up-and-down lifting movement of the hydraulic oil cylinder, and replaces the working mode of separating the traditional pumping machine equipment from the derrick. The swabbing machine can perform automatic and continuous swabbing operation without additionally installing a derrick, can accurately control the up-down stroke and the speed of the sucker rod, accurately simulates actual oil production operation, and greatly saves manpower, material resources, financial resources and time; meanwhile, the device can be matched with the current workover rig in the oil field for operation; the swabbing machine adopts electric and hydraulic transmission and control, and the transmission and control mode conforms to the development trend of the current mainstream equipment technology and meets the increasingly strict environmental protection requirement.)

1. A hydraulic swabbing machine is characterized by comprising a swabbing module, a power module for providing power for the swabbing module, a control module for controlling the actions of the swabbing module and the power module, and a support leg module for supporting the swabbing module, the power module and the control module.

2. A hydraulic pump as claimed in claim 1, wherein: the pumping module comprises a manual pumping mode and an automatic pumping mode, and the manual pumping mode and the automatic pumping mode share a set of mechanical structure.

3. A hydraulic pump as claimed in claim 1 or 2, wherein: the power module comprises a power source, a transfer case, an oil pump and a radiator, the power source transmits kinetic energy to the oil pump through the transfer case, and the oil pump outputs hydraulic energy and flow to the control module and the swabbing module.

4. A hydraulic pump as claimed in claim 3, wherein: the control module comprises a valve bank, a sensor, an instrument, a pipeline and an electric control module; the electric control module is used for distributing hydraulic energy and flow output by the power module through a preset working logic relation and is also used for controlling the sensor to realize the action of the pumping module.

5. A hydraulic pump as claimed in claim 3, wherein: the swabbing module comprises an outer sliding frame, an inner sliding frame, a hydraulic oil cylinder for driving the inner sliding frame to slide along the outer sliding frame, and a sliding trolley capable of sliding on the inner sliding frame, wherein a pulley block is arranged at the top of the inner sliding frame, a steel wire rope is arranged on the pulley block, a fixing frame is arranged on the outer sliding frame, one end of the steel wire rope is fixed on the fixing frame, the other end of the steel wire rope is fixed on the sliding trolley, and an oil rod component fixing head is arranged on the sliding trolley.

6. A hydraulic swab as claimed in claim 5, wherein: the pumping module also comprises a limit switch for controlling the lifting and lowering actions of the hydraulic oil cylinder; when the inner sliding frame moves upwards to a lower set point of the limit switch, the limit switch automatically sends an instruction to the control module, and the control module switches oil working modes of an oil inlet and an oil return port of the hydraulic oil cylinder mutually, namely the oil inlet changes into oil and the oil return port changes into oil, so that the oil cylinder moves downwards; when the inner sliding frame moves downwards to the upper set point of the limit switch, the limit switch automatically sends an instruction to the control module, and the control module switches the working modes of oil in the oil inlet and the oil return port of the hydraulic oil cylinder mutually, namely the oil inlet is changed into oil, the oil return port is changed into oil return, so that the oil cylinder moves upwards, and the operation is repeated in a circulating mode to realize the automatic swabbing function.

7. A hydraulic pump as claimed in claim 1 or 2, wherein: the supporting leg module comprises an oil cylinder and inner and outer telescopic supporting legs; the working width and the working height of the swabbing machine are adjusted by driving the inner telescopic supporting leg and the outer telescopic supporting leg to move by hydraulic oil in the oil cylinder.

8. a hydraulic pump as claimed in claim 1 or 2, wherein: the multifunctional vehicle-mounted pumping unit further comprises a unit structure module, wherein the unit structure module comprises a vehicle frame, a hydraulic oil tank, a fuel tank and a battery pack, a protective cover is arranged around the vehicle frame, and the pumping module, the power module, the control module and the supporting leg module are all arranged on the vehicle frame.

9. A hydraulic swab as claimed in claim 5, wherein: and a hydraulic winch module is also arranged on the inner sliding frame and is used for auxiliary operation in the swabbing process.

10. A hydraulic swab as claimed in claim 3, wherein: the power source is an electric motor and/or a diesel engine.

Technical Field

The invention relates to underground oil and gas extraction equipment, in particular to a hydraulic swabbing machine.

Background

Pumping is one of the main processes of the oil field downhole operation, and a pump is the main operation equipment for pumping at present. The traditional swabbing machine mainly adopts the working form of roller-derrick-crown block-traveling block, firstly, the power of an engine or a motor is transmitted to the roller through a gear box, and the roller can realize the automatic swabbing function only by matching with the derrick, the crown block, the traveling block and the like. The working and transmission mode has complex structure, complex operation and control, poor safety, easy occurrence of up-down collision and smashing accidents, low working efficiency and power utilization efficiency, large consumption of fuel oil and steel wire ropes, complex operation preparation process, high moving and maintenance cost and serious leakage problems.

Based on the current situation of the pumping machine, the invention provides a hydraulic pumping machine based on market research.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide the hydraulic suction machine which is safe, reliable, convenient to move and transfer, high in economic benefit, long in service life and environment-friendly.

The invention relates to a hydraulic swabbing machine, which adopts the technical scheme that:

A hydraulic swabbing machine comprises a swabbing module, a power module for providing power for the swabbing module, a control module for controlling the actions of the swabbing module and the power module, and a support leg module and a unit structure module for supporting the swabbing module, the power module and the control module.

The invention provides a hydraulic swabbing machine, which also comprises the following attached technical scheme:

the pumping module comprises a manual pumping mode and an automatic pumping mode, and the manual pumping mode and the automatic pumping mode share a set of mechanical structure.

The power module comprises a power source, a transfer case, an oil pump and a radiator, the power source transmits kinetic energy to the oil pump through the transfer case, and the oil pump outputs hydraulic energy and flow to the control module and the swabbing module.

the control module comprises a valve group, a sensor, an instrument, a pipeline and an electric control module; the electric control module is used for distributing hydraulic energy and flow output by the power module through a preset working logic relation and is also used for controlling the sensor to realize the action of the pumping module.

The swabbing module comprises an outer sliding frame, an inner sliding frame, a hydraulic oil cylinder for driving the inner sliding frame to slide along the outer sliding frame, and a sliding trolley capable of sliding on the inner sliding frame, wherein the top of the inner sliding frame is provided with a pulley block, a steel wire rope is arranged on the pulley block, a fixing frame is arranged on the outer sliding frame, one end of the steel wire rope is fixed on the fixing frame, the other end of the steel wire rope is fixed on the sliding trolley, and an oil rod component fixing head is arranged on the sliding trolley.

The swabbing module also comprises a limit switch for controlling the lifting and lowering actions of the hydraulic oil cylinder; when the inner sliding frame moves upwards to a lower set point of the limit switch, the limit switch automatically sends an instruction to the control module, and the control module switches oil working modes of an oil inlet and an oil return port of the hydraulic oil cylinder mutually, namely the oil inlet changes into oil and the oil return port changes into oil, so that the oil cylinder moves downwards; when the inner sliding frame moves downwards to the upper set point of the limit switch, the limit switch automatically sends an instruction to the control module, and the control module switches the working modes of oil in the oil inlet and the oil return port of the hydraulic oil cylinder mutually, namely the oil inlet is changed into oil, the oil return port is changed into oil return, so that the oil cylinder moves upwards, and the operation is repeated in a circulating mode to realize the automatic swabbing function.

The supporting leg module comprises an oil cylinder and inner and outer telescopic supporting legs; the working width and the working height of the swabbing machine are adjusted by driving the inner telescopic supporting leg and the outer telescopic supporting leg to move by hydraulic oil in the oil cylinder.

The unit structure module comprises a frame, a hydraulic oil tank, a fuel tank and a battery pack, a protective cover is arranged around the frame, and the swabbing module, the power module, the control module and the support leg module are all arranged on the frame.

And the inner sliding frame is also provided with a hydraulic winch module, and the hydraulic winch module is used for auxiliary operation in the swabbing process.

Wherein the power source is an electric motor and/or a diesel engine.

The implementation of the invention comprises the following technical effects:

The hydraulic swabbing machine provided by the invention realizes automatic swabbing operation through the up-and-down lifting movement of the hydraulic oil cylinder, and replaces the working mode that the traditional swabbing machine equipment is separated from a derrick. The swabbing machine can perform automatic and continuous swabbing operation without additionally installing a derrick, can accurately control the up-down stroke and the speed of the sucker rod, accurately simulates actual oil production operation, and greatly saves manpower, material resources, financial resources and time; meanwhile, the device can be matched with the current workover rig in the oil field for operation; the swabbing machine adopts electric and hydraulic transmission and control, and the transmission and control mode conforms to the development trend of the current mainstream equipment technology and meets the increasingly strict environmental protection requirement. The pumping module, the power module for providing power for the pumping module, the control module for controlling the action of the pumping module and the power module, and the support leg module and the unit structure module for supporting the pumping module, the power module and the control module are included. In addition, the hydraulic suction machine adopts mechanical limit, so that the problem of up-down collision is not possible to occur, and the safety and reliability of the hydraulic suction machine are greatly improved.

the swabbing machine of the invention also has the following advantages:

1. the transportation and the transition are convenient. Because the swabbing machine has the automatic lifting function, when the swabbing machine needs to be transported or transferred, the swabbing machine can get on or off the vehicle through the self lifting function without additionally renting hoisting equipment such as a truck crane, and the automatic lifting function is very simple to operate, so that the moving cost can be greatly saved;

2. the economy is high. The hydraulic transmission efficiency in the swabbing machine is high, fuel oil is saved, a steel wire rope is not used basically, the steel wire rope is not required to be wound when the swabbing machine is used every time, the swabbing machine is provided with a derrick, the system structure is simplified, the replacement of accessories and the maintenance cost are low, and a plurality of sets of equipment can share one carrying vehicle;

3. The working efficiency is high. The operation preparation time of the swabbing machine is greatly shortened, and the cleaning work is very convenient and trouble-saving after the work is finished, so that the workload of field construction personnel is greatly reduced; meanwhile, the pumping machine has higher lifting speed;

4. Is environment-friendly. The swabbing machine has high efficiency, less discharge and less mechanical transmission parts, and basically eliminates the problems of leakage, overflow and water leakage; meanwhile, the fully-closed oil receiving disc is arranged in the suction machine, so that even if leakage occurs due to aging of a wearing part, the external environment cannot be polluted by oil liquid.

5. The service life is long. The full hydraulic system has the advantages of simple structure, modularization, low failure rate and convenient maintenance;

6. two modes of operation. The invention relates to an automatic pumping mode and a manual working mode of a pumping machine.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic swab of the present invention.

Fig. 2 is a schematic structural view of an inner carriage of the hydraulic swab of the present invention.

Fig. 3 is a schematic structural view of an outer carriage of the hydraulic swab of the present invention.

Fig. 4 is a schematic structural view of an inner carriage and an outer carriage assembly of the hydraulic swab machine of the present invention.

Fig. 5 is a schematic structural view of a frame of the hydraulic swabbing machine of the present invention.

fig. 6 is a schematic structural view of a shroud of the hydraulic swab of the present invention.

The device comprises a pumping module 1, a power module 2, a control module 3, a support leg module 4, a unit structure module 5, an outer sliding frame 11, an inner sliding frame 12, a hydraulic oil cylinder 13, a sliding trolley 14, a pulley block 15, a steel wire rope 16, a fixing frame 17, an oil rod component fixing head 18, a frame 51 and a shield 52.

Detailed Description

The present invention will be described in detail below with reference to embodiments and drawings, it being noted that the described embodiments are only intended to facilitate the understanding of the present invention, and do not limit it in any way.

As shown in fig. 1-6, the hydraulic pump of the present embodiment includes a pumping module 1, a power module 2 for providing power to the pumping module, a control module for controlling the pumping module and the power module 2, and a leg module 4 and a unit structure module 5 for supporting the pumping module 1, the power module 2 and the control module. The hydraulic swabbing machine provided by the invention realizes automatic swabbing operation through the up-and-down lifting movement of the hydraulic oil cylinder, and replaces the working mode that the traditional swabbing machine equipment is separated from a derrick. The swabbing machine can perform automatic and continuous swabbing operation without additionally installing a derrick, can accurately control the up-down stroke and the speed of the sucker rod, accurately simulates actual oil production operation, and greatly saves manpower, material resources, financial resources and time; meanwhile, the device can be matched with the current workover rig in the oil field for operation; the swabbing machine adopts electric and hydraulic transmission and control, and the transmission and control mode conforms to the development trend of the current mainstream equipment technology and meets the increasingly strict environmental protection requirement. In addition, the hydraulic suction machine adopts mechanical limit, so that the problem of up-down collision cannot occur, and the safety and reliability of the hydraulic suction machine are greatly improved.

Preferably, the pumping module 1 comprises a manual pumping mode and an automatic pumping mode, and the manual pumping mode and the automatic pumping module share a set of mechanical structure.

The manual pumping mode in this embodiment mainly has the following three purposes:

1) The method is used for debugging before the formal start of oil testing work of the swabber: the device is used for confirming whether the set height of the supporting leg of the device can meet the basic requirement of no up-down collision or not, simultaneously, the oil cylinder needs to be manually controlled to do up-down reciprocating motion for a plurality of strokes, whether the connection of each part is safe and reliable is confirmed, and after the work is confirmed through the check, the device can be switched to an automatic pumping mode for continuous operation.

2) When the automatic pumping mode fails, the manual pumping mode can be used for troubleshooting the failure and confirming the failure point.

3) The manual pumping mode serves as a back-up pumping function. When the automatic pumping mode has a fault and the repair cannot be confirmed in a short time, the pumping operation can be completed in a manual control mode, that is, the production operation cannot be affected by a certain fault point in the automatic pumping mode, which is also a function that other pumping devices do not have at present.

Preferably, the power module 2 comprises a power source, a transfer case, an oil pump and a radiator, wherein the power source transmits kinetic energy to the oil pump through the transfer case, and the oil pump outputs hydraulic energy and flow to the control module and the swabbing module. In order to balance the heat energy generated by the power module during operation, a radiator is disposed in the power module in this embodiment to control the operating temperature of the power module within a reasonable range, so as to ensure good operation of the entire power module.

Preferably, the control module 3 comprises a valve group, sensors, meters, piping and an electrical control module; the electric control module is used for distributing hydraulic energy and flow output by the power module through a preset working logic relation and is also used for controlling the sensor to realize the action of the pumping module. In this embodiment, the electric control module is preset with a working logic relationship to realize reasonable distribution of pressure and flow of the power module, and meanwhile, the electric control module can realize reasonable control of the manual pumping mode through the control handle and realize reasonable control in the automatic pumping mode through the control sensor.

as shown in fig. 2-4, the pumping module includes an outer carriage 11, an inner carriage 12, a hydraulic cylinder 13 driving the inner carriage 11 to slide along the outer carriage 12, and a sliding trolley 14 capable of sliding on the inner carriage 12, a pulley block 15 is disposed at the top of the inner carriage 12, a steel wire rope 16 is disposed on the pulley block 15, a fixing frame 17 is disposed on the outer carriage 11, one end of the steel wire rope 16 is fixed on the fixing frame 17, the other end of the steel wire rope 16 is fixed on the sliding trolley 14, and an oil rod assembly fixing head 18 is disposed on the sliding trolley.

The pumping process of the invention is as follows:

When hydraulic oil in the oil cylinder drives the hydraulic oil cylinder 13 to move up and down, the hydraulic oil cylinder 13 drives the inner sliding frame 12 to move up and down, the inner sliding frame 12 moves up and down to drive the sliding trolley 14 arranged on the inner sliding frame 12 to move up and down, the sliding trolley 14 moves up and down to drive the oil rod component fixing head 18, and the oil rod component fixing head 18 moves up and down to drive structures such as an oil pipe, a drill rod, an oil pumping rod and the like fixed on the oil rod component fixing head 18 to move up and down, so that pumping work is completed.

As shown in fig. 1, the pumping module 1 further includes a limit switch for controlling the upward and downward movements of the hydraulic oil cylinder 13; when the inner sliding frame 12 moves upwards to a lower set point of the limit switch, the limit switch automatically sends an instruction to the control module 3, and the control module 3 switches oil working modes of an oil inlet and an oil return port of the hydraulic oil cylinder 13 mutually, namely the oil inlet changes into return oil and the oil return port changes into oil, so that the oil cylinder moves downwards; when the inner sliding frame 12 moves downwards to the upper set point of the limit switch, the limit switch automatically sends an instruction to the control module 3, and the control module 3 switches the working modes of oil in the oil inlet and the oil return opening of the hydraulic oil cylinder mutually, namely the oil inlet is changed into oil, the oil return opening is changed into oil, so that the oil cylinder moves upwards, and the operation is repeated in a circulating mode to realize the automatic swabbing function.

As shown in fig. 1, the leg module 4 includes an oil cylinder and inner and outer telescopic legs; the working width and the working height of the swabbing machine are adjusted by driving the inner telescopic supporting leg and the outer telescopic supporting leg to move by hydraulic oil in the oil cylinder. In the embodiment, the hydraulic oil drives the inner telescopic supporting leg and the outer telescopic supporting leg to move, so that the horizontal extension and the lifting movement required by various occasions are realized, and the equipment can be reasonably controlled to be in the optimal working width and the reasonable working height.

As shown in fig. 1 and 5-6, the unit structure module 5 includes a frame 51, a hydraulic tank, a fuel tank, and a battery pack, a protective cover 52 is disposed around the frame 51, and the pumping module 1, the power module 2 for providing power to the pumping module, the control module 3 for controlling the pumping module and the power module, and the leg module 4 for supporting the pumping module 1, the power module 2, and the control module 3 are disposed on the frame 51.

In some preferred embodiments, a hydraulic winch module is further provided on the inner carriage 12, and is used for auxiliary operations during the pumping process.

The power source in the present invention may be an electric motor, a diesel engine, or a combination of an electric motor and a diesel engine.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.