阅读说明：本技术 一种电驱超大排量固井设备 (Electrically-driven ultra-large displacement well cementation equipment ) 是由 王彦峰 王吉华 李恩杰 刘仁 王金 张鹏远 邹力抚 李明升 马灯刚 吴张晔 于 2020-07-08 设计创作，主要内容包括：本发明公开了一种电驱超大排量固井设备,包括第一装载体和第二装载体,所述第一装载体上固定装载有辅助电机、主电机、清水模块、泵送模块、操控模块、液压模块和混合模块,所述第二装载体上固定装载有变频器模块。有益效果：采用主电机驱动柱塞泵,减少变扭器设置,增加整车布局空间,采用辅助电机驱动整车液压系统,减少驱动电机的数量；变频器模块与固井设备分开装载,降低装载要求,结构更简单,减少占据空间,一台变频器模块可同时为多台第一装载体上各模块供电,使用灵活；主电机、辅助电机和液压散热装置集中分布在第一装载体前部,布线简单,方便连接,设备集中散热,避免工作人员操作过程中发生烫伤事故,增加操作安全性。(The invention discloses electrically-driven ultra-large displacement well cementation equipment which comprises a first loading body and a second loading body, wherein an auxiliary motor, a main motor, a clean water module, a pumping module, an operation module, a hydraulic module and a mixing module are fixedly loaded on the first loading body, and a frequency converter module is fixedly loaded on the second loading body. Has the advantages that: the main motor is adopted to drive the plunger pump, the arrangement of the torque converter is reduced, the layout space of the whole vehicle is increased, the auxiliary motor is adopted to drive a hydraulic system of the whole vehicle, and the number of driving motors is reduced; the frequency converter module and the well cementation equipment are loaded separately, the loading requirement is reduced, the structure is simpler, the occupied space is reduced, one frequency converter module can simultaneously supply power to each module on a plurality of first loading bodies, and the use is flexible; the main motor, the auxiliary motor and the hydraulic heat dissipation device are distributed in the front of the first loading body in a centralized mode, wiring is simple, connection is convenient, equipment dissipates heat in a centralized mode, scalding accidents in the operation process of workers are avoided, and operation safety is improved.)

1. The utility model provides an electricity drives super large discharge capacity well cementation equipment which characterized in that: including first dress carrier and second dress carrier, fixed loading has auxiliary motor, main motor, clear water module, pumping module, controls module, hydraulic module and mixed module on the first dress carrier, fixed loading has the converter module on the second dress carrier, the converter module does auxiliary motor, main motor and control the module power supply, main motor does pumping module provides power, auxiliary motor passes through hydraulic module and does clear water module and mixed module provide power.

2. The electrically driven ultra-large displacement cementing apparatus of claim 1, wherein: the main motor and the auxiliary motor are distributed in a centralized manner in the front of the first loading body.

3. The electrically driven ultra-large displacement cementing apparatus of claim 1, wherein: the pumping module includes the plunger pump, the plunger pump is connected with main motor, the clear water module includes first clarified water pump and second clarified water pump, the hybrid module includes first sand pump, second sand pump and agitator, the auxiliary motor passes through the hydraulic module and does first clarified water pump, second clarified water pump, first sand pump, second sand pump and agitator provide power.

4. The electrically driven ultra large displacement cementing apparatus of claim 3, wherein: the hydraulic module comprises a hydraulic pump, a hydraulic motor and a hydraulic heat dissipation device, the hydraulic pump and the hydraulic heat dissipation device are distributed in the front of the first loading body in a centralized mode, the auxiliary motor is connected with the hydraulic pump, and the hydraulic pump is connected with the hydraulic heat dissipation device, the first clean water pump, the second clean water pump, the first sand pump, the second sand pump and the stirrer through the hydraulic motor.

5. The electrically driven ultra large displacement cementing apparatus of claim 3, wherein: the plunger diameter more than or equal to 3.5 cun of plunger pump, plunger pump plunger number is more than the triplex, the power more than or equal to 1000hp of plunger pump.

6. The electrically driven ultra large displacement cementing apparatus of claim 3, wherein: the number of the plunger pumps is 1 or 2, and when the number of the plunger pumps is 1, the plunger pumps are connected with the main motor; when the number of the plunger pumps is 2, the number of the main motors can be 1 or 2, when the number of the main motors is 1, the main motors are connected with the 2 plunger pumps through the transfer case, and when the number of the main motors is 2, the 2 main motors are respectively connected with the 2 plunger pumps.

7. The electrically driven ultra large displacement cementing apparatus of claim 3, wherein: the mixing module is still including mixing thick liquid jar, first blender, second blender clear water module still includes the metering tank, the metering tank is respectively through the entrance point of first clarified water pump and second clarified water pump and first blender and the entrance connection of second blender, the exit end of first blender and the exit end of second blender respectively with the entrance connection who mixes the thick liquid jar, the entrance point of first blender and the entrance point of second blender still are connected with grey manifold respectively, the exit end that mixes the thick liquid jar is connected with the plunger pump through first sand pump and second sand pump respectively, the agitator is used for the stirring to mix the thick liquid that mixes in the thick liquid jar.

8. The electrically driven ultra-large displacement cementing apparatus of claim 1, wherein: the control module is connected with the frequency converter module.

9. The electrically driven ultra-large displacement cementing apparatus of claim 1, wherein: the main motor is provided with a rotating speed sensor, and the rotating speed sensor is used for monitoring the rotating speed of the main motor and feeding the rotating speed back to the control module.

10. The electrically driven ultra-large displacement cementing apparatus of claim 1, wherein: the well cementation equipment can comprise a plurality of first loading bodies, and the frequency converter module can simultaneously supply power for the auxiliary motors, the main motor and the control module on the plurality of first loading bodies.

11. The electrically driven ultra-large displacement cementing apparatus of claim 1, wherein: the first loading body and/or the second loading body is a vehicle-mounted chassis or a semi-trailer chassis or a skid-mounted chassis.

Technical Field

The invention relates to the technical field of petroleum equipment, in particular to an electric drive ultra-large displacement well cementation device.

Background

The existing shale gas development technology tends to be mature more and more, the drilling depth of a well site is deeper and deeper, the high-pressure and large-displacement operation environment cannot be realized by conventional single-pump and double-pump well cementation equipment, and a plurality of pieces of well cementation equipment need to be started simultaneously to meet the requirements for larger displacement and higher pressure. When the conventional well cementation equipment works, a vehicle-mounted diesel engine drives a plunger pump through a torque converter through a transmission shaft, and an automobile chassis engine drives a whole automobile hydraulic system. The diesel engine and the torque converter are difficult to select types, high in cost and difficult to maintain, and are heavy in weight, large in occupied volume, not beneficial to overall layout, and capable of restricting the type selection of the chassis vehicle. Although electric drive well cementation equipment has appeared at present, all need to set up on-vehicle switch board, supply power through the switch board to provide power for on-vehicle device through a plurality of motors, the wiring is complicated, and the well cementation is with high costs. And because the temperature is higher when the motor is worked, a plurality of motors disperse on the car carrier, and the mistake bumps easily scald when operating personnel well cementation operation, takes place danger.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide electrically-driven super-displacement well cementation equipment.A main motor is adopted to replace a vehicle-mounted diesel engine to drive a plunger pump, the arrangement of a torque converter is reduced, the layout space of the whole vehicle is increased, an auxiliary motor is adopted to replace an automobile chassis engine to drive a hydraulic system of the whole vehicle, and further a first clean water pump, a second clean water pump, a first sand pump, a second sand pump, a hydraulic heat dissipation device, a stirrer and other devices are driven, so that the number of driving motors is reduced, and the dependence of the well cementation equipment on a chassis vehicle can be reduced; the frequency converter module and well cementation equipment are loaded separately, loading requirements are reduced, the structure is simpler, occupied space is reduced, one frequency converter module can simultaneously supply power for each module on a plurality of first loading bodies, the use is flexible, the frequency converter module can directly adopt national power grids, well sites, turbine generators and the like for power supply, the noise is low, zero emission is realized, and the environment is protected; the main motor, the auxiliary motor and the hydraulic heat dissipation device are distributed in the front of the first loading body in a centralized mode, wiring is simple, connection is convenient, equipment dissipates heat in a centralized mode, scalding accidents in the operation process of workers are avoided, and operation safety is improved.

The aim of the invention is achieved by the following technical measures: the utility model provides an electricity drives super large discharge capacity well cementation equipment, includes first dress carrier and second dress carrier, fixed loading has auxiliary motor, main motor, clear water module, pumping module, controls module, hydraulic module and mixing module on the first dress carrier, fixed loading has the converter module on the second dress carrier, the converter module does auxiliary motor, main motor and control the module power supply, main motor does the pumping module provides power, auxiliary motor passes through hydraulic module does clear water module and mixing module provide power.

Further, the main motor and the auxiliary motor are centrally distributed on the front portion of the first loading body.

Further, the pumping module includes the plunger pump, the plunger pump is connected with main motor, the clear water module includes first clear water pump and second clear water pump, the mixed module includes first sand pump, second sand pump and agitator, the auxiliary motor passes through the hydraulic module and is first clear water pump, second clear water pump, first sand pump, second sand pump and agitator provide power.

Further, the hydraulic module comprises a hydraulic pump, a hydraulic motor and a hydraulic heat dissipation device, the hydraulic pump and the hydraulic heat dissipation device are distributed in the front of the first loading body in a centralized mode, the auxiliary motor is connected with the hydraulic pump, and the hydraulic pump is connected with the hydraulic heat dissipation device, the first clean water pump, the second clean water pump, the first sand pump, the second sand pump and the stirrer through the hydraulic motor.

Furthermore, the diameter of the plunger pump is more than or equal to 3.5 inches, the number of the plungers of the plunger pump is more than three cylinders, and the power of the plunger pump is more than or equal to 1000 hp.

Further, the number of the plunger pumps is 1 or 2, and when the number of the plunger pumps is 1, the plunger pumps are connected with a main motor; when the number of the plunger pumps is 2, the number of the main motors can be 1 or 2, when the number of the main motors is 1, the main motors are connected with the 2 plunger pumps through the transfer case, and when the number of the main motors is 2, the 2 main motors are respectively connected with the 2 plunger pumps.

Further, the mixing module still includes muddy thick liquid jar, first blender, second blender clear water module still includes the metering tank, the metering tank is respectively through the entrance point of first clarified water pump and second clarified water pump with first blender and the entrance connection of second blender, the exit end of first blender and the exit end of second blender respectively with the entrance connection of muddy thick liquid jar, the entrance point of first blender and the entrance point of second blender still are connected with the ash feeding manifold respectively, the exit end of muddy thick liquid jar is connected with the plunger pump through first sand pump and second sand pump respectively, the agitator is used for the stirring to mix muddy thick liquid in the thick liquid jar.

Further, the control module is connected with the frequency converter module.

Furthermore, a rotating speed sensor is arranged on the main motor and used for monitoring the rotating speed of the main motor and feeding the rotating speed back to the control module.

Further, the well cementation equipment can comprise a plurality of first loading bodies, and the frequency converter module can simultaneously supply power to the auxiliary motors, the main motors and the control module on the plurality of first loading bodies.

Further, the first loading body and/or the second loading body is a vehicle-mounted chassis or a semi-trailer chassis or a skid-mounted chassis.

Compared with the prior art, the invention has the beneficial effects that: according to the electrically-driven ultra-large displacement well cementation equipment, the main motor is adopted to replace a vehicle-mounted diesel engine to drive a plunger pump, the arrangement of a torque converter is reduced, the layout space of the whole vehicle is increased, the auxiliary motor is adopted to replace an automobile chassis engine to drive a whole vehicle hydraulic system, and further drive a first clean water pump, a second clean water pump, a first sand pump, a second sand pump, a hydraulic heat dissipation device, a stirrer and other devices, so that the number of driving motors is reduced, and the dependence of the well cementation equipment on a chassis vehicle can be reduced; the frequency converter module and well cementation equipment are loaded separately, loading requirements are reduced, the structure is simpler, occupied space is reduced, one frequency converter module can simultaneously supply power for each module on a plurality of first loading bodies, the use is flexible, the frequency converter module can directly adopt national power grids, well sites, turbine generators and the like for power supply, the noise is low, zero emission is realized, and the environment is protected; the main motor, the auxiliary motor and the hydraulic heat dissipation device are distributed in the front of the first loading body in a centralized mode, wiring is simple, connection is convenient, equipment dissipates heat in a centralized mode, scalding accidents in the operation process of workers are avoided, and operation safety is improved.

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the structure of a first cartridge.

FIG. 2 is a schematic view of a second package body.

The system comprises a mixing module 1, a control module 2, a pumping module 3, a clean water module 4, a main motor 5, an auxiliary motor 6, a first loading body 7, a frequency converter module 8 and a second loading body 9.

Detailed Description

As shown in fig. 1 and 2, an electrically-driven ultra-large displacement well cementation device comprises a first loading body 7 and a second loading body 9, wherein an auxiliary motor 6, a main motor 5, a clean water module 4, a pumping module 3, a control module 2, a hydraulic module and a mixing module 1 are fixedly loaded on the first loading body 7, a lubricating module and a gas circuit module are also loaded on the first loading body 7, a frequency converter module 8 is fixedly loaded on the second loading body 9, the frequency converter module 8 supplies power for the auxiliary motor 6, the main motor 5, the control module 2, the lubricating module and the gas circuit module loaded on the first loading body 7, the main motor 5 provides power for the pumping module 3, and the auxiliary motor 6 provides power for the clean water module 4 and the mixing module 1 through the hydraulic module. Adopt main motor 5 drive pumping module 3, reduce the converter setting, increase the overall arrangement space, adopt auxiliary motor 6 drive whole car hydraulic module, and then drive devices such as first clarified water pump, second clarified water pump, first sand pump, second sand pump, hydraulic pressure heat abstractor and agitator, reduce driving motor's quantity, reduce well cementation operating cost. The frequency converter module 8 is adopted to supply power to the well cementation equipment, and the loading body chassis vehicle can adopt electric drive or diesel drive to reduce the dependence of the well cementation equipment on the chassis vehicle. The frequency converter module 8 and the well cementation equipment are loaded separately, loading requirements are reduced, the structure is simpler, occupied space is reduced, the frequency converter module 8 can be directly powered by a national power grid, a well site, a turbine generator and the like, and the frequency converter module is low in noise, zero in emission and environment-friendly.

Pumping module 3 includes the plunger pump, the plunger pump is connected with main motor 5, clear water module 4 includes first clarified water pump and second clarified water pump, mixing module 1 includes first sand pump, second sand pump and agitator, auxiliary motor 6 is through hydraulic module for first clarified water pump, second clarified water pump, first sand pump, second sand pump and agitator provide power. The hydraulic module comprises a hydraulic pump, a hydraulic motor and a hydraulic heat dissipation device, the auxiliary motor 6 is connected with the hydraulic pump, and the hydraulic pump is connected with the hydraulic heat dissipation device, the first clean water pump, the second clean water pump, the first sand pump, the second sand pump and the stirrer through the hydraulic motor respectively. Specifically, the hydraulic pump is a plurality of, the hydraulic motor is a plurality of, auxiliary electric machine 6 passes through the transfer case and is connected with a plurality of hydraulic pumps, and a plurality of hydraulic pumps are connected with a plurality of hydraulic motors. An auxiliary motor 6 can drive first clarified water pump, second clarified water pump, first sand pump, second sand pump, agitator and hydraulic pressure heat abstractor simultaneously, and the chassis car can adopt electricity to drive or diesel oil drive chassis car, reduces the dependence of well cementation equipment to the chassis car.

The main motor 5, the auxiliary motor 6, the hydraulic pump and the hydraulic heat sink are centrally disposed in front of the first mounting body 7. Specifically, the front portion of the first loading body 7 is the front portion of the first loading body 7 in the traveling direction. The main motor 5 and the auxiliary motor 6 are arranged in a centralized manner, so that wiring is simple and connection is convenient. The main motor 5, the auxiliary motor 6, the hydraulic pump and the hydraulic heat dissipation device are used for dissipating heat in a centralized mode, the scalding accidents caused by mistaken touch in the operation process of workers are avoided, the operation safety is improved, and meanwhile maintenance is facilitated.

The plunger diameter more than or equal to 3.5 cun of plunger pump, plunger pump plunger number is more than the triplex, the power more than or equal to 1000hp of plunger pump. The diameter of the plunger is increased, the high-power plunger pump is adopted, the displacement and the pressure of the plunger pump are increased, and the operation requirements of high pressure and large displacement are further met.

The number of the plunger pumps is 1 or 2, and when the number of the plunger pumps is 1, the plunger pumps are connected with a main motor 5; when the number of the plunger pumps is 2, the number of the main motors 5 can be 1 or 2, when the number of the main motors 5 is 1, the main motors 5 are connected with the 2 plunger pumps through transfer cases, and when the number of the main motors 5 is 2, the 2 main motors 5 are respectively connected with the 2 plunger pumps in a one-to-one correspondence manner. The number of the plunger pumps can be selected according to the displacement requirement of the actual working condition, and the number of the main motors 5 can be selected according to the power of the plunger pumps.

Mixing module 1 still includes muddy thick liquid jar, first blender, second blender clear water module 4 still includes the metering tank, the metering tank is respectively through the entrance point of first clarified water pump and second clarified water pump and first blender and the entrance connection of second blender, the exit end of first blender and the exit end of second blender respectively with the entrance connection of muddy thick liquid jar, the entrance point of first blender and the entrance point of second blender still are connected with the ash pipe manifold respectively, the exit end of muddy thick liquid jar is connected with the plunger pump through first sand pump and second sand pump respectively, the agitator is used for stirring the muddy thick liquid in the muddy thick liquid jar. Adopt two mixers to mix the grout simultaneously, the mixing ability of mixing module 1 improves more than 1.5 times of conventional single mixer hybrid system, mixes high-efficiently, and can ensure that the grout supplies stably.

The control module 2 is connected with the frequency converter module 8. Specifically, control module 2 includes touch-sensitive screen, remote control system and PLC controller, the touch-sensitive screen is used for showing well cementation equipment operation information and sends control command to the PLC controller, the remote control system is used for the whole well cementation equipment of remote monitoring, control, the PCL controller passes through the ethernet line and is connected with the converter module. The PCL controller receives a control instruction sent by the touch screen or the remote control system, and then transmits the control instruction to the frequency converter module 8, and the frequency converter module 8 controls the rotating speed of the main motor 5 or the auxiliary motor 6 according to the control instruction.

The main motor 5 is provided with a rotating speed sensor, and the rotating speed sensor is used for monitoring the rotating speed of the main motor 5 and feeding the rotating speed back to the control module 2. The well cementation equipment further realizes that the main motor 5 drives the plunger pump to reach the set discharge capacity by setting the rotating speed of the main motor 5. Specifically, the frequency converter module 8 receives a control instruction of the control module 2 and drives the main motor 5 to rotate according to the control instruction, the main motor 5 drives the plunger pump to operate, meanwhile, a rotating speed sensor on the main motor 5 feeds monitored rotating speed information of the main motor 5 back to the control module 2, and the control module 2 compares the monitored rotating speed information with preset rotating speed information to realize regulation of the rotating speed of the main motor 5, so that control of the displacement of the plunger pump is realized.

The well cementation equipment can comprise a plurality of first loading bodies 7, and the frequency converter module 8 can simultaneously supply power to the auxiliary motors 6, the main motors 5 and the control module 2 on the plurality of first loading bodies 7. One frequency converter module 8 can simultaneously supply power for a plurality of first loading bodies 7, is flexible to use, reduces the space of well cementation operation, and reduces the cost of well cementation.

The first loading body 7 and/or the second loading body 9 are/is a vehicle-mounted chassis or a semi-trailer chassis or a skid-mounted chassis. The structural form of the first loading body 7 and/or the second loading body 9 can be flexibly selected according to the requirements of well cementation operation, and the application range is wide.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.