All-electric drive intelligent acidification fracturing vehicle

Abstract

The application provides a full-electric drive intelligent acidification fracturing vehicle, which comprises a fracturing vehicle body, the fracturing vehicle body comprises a heavy truck chassis, a chassis power battery module, an on-table power battery module, a high-low pressure manifold and a control system, the driving power of the heavy truck chassis is provided by the chassis power battery module installed on both sides of the front end of the heavy truck chassis girder, the on-table power battery module is distributed at the rear of the heavy truck chassis head, and the rear end of the on-table power battery module is provided with an on-table main motor, the fracturing vehicle is supplemented by the modular battery pack, the complete vehicle-mounted system is reasonably arranged, and the battery energy storage power supply system is switched, so that the battery endurance mileage of the heavy truck chassis is enlarged, the continuous working time of the on-table equipment is prolonged, pollution-free construction is realized, the number of the on-table power battery modules can be expanded or reduced, the field construction application can be met, and the loss of the power battery charging and discharging times is minimized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oil field fracturing stimulation, in particular to a full-electric-drive intelligent acidizing fracturing vehicle. BACKGROUND

[0002] The fracturing operation is usually cooperated by dozens of fracturing vehicles and several sand mixing vehicles, the overall system has high complexity and large amount of key information data, the traditional data monitoring cannot meet the business requirements, the intelligent remote control, remote operation and maintenance, data remote acquisition and remote fault diagnosis form a data cloud, so that the fracturing operation is guided, which is an important development direction in the future. The intelligentization and automation degree of the fracturing equipment determines the operation efficiency and safety of the equipment, therefore, realizing the intelligentization of the fracturing equipment not only meets the urgent needs of the oil field users, manufacturers and equipment, but also is an urgent matter.

[0003] The fracturing equipment in the prior art adopts a transmission fuel heavy truck chassis or a pry-mounted electric drive device, and the application of a new energy electric chassis is limited to small-power drilling and workover equipment. Therefore, the present application provides a full-electric-drive intelligent acidizing fracturing vehicle which adopts a new energy battery chassis and an on-table electric drive integration as a unified power source. SUMMARY

[0004] In view of the deficiencies in the prior art, the present application aims to provide a full-electric-drive intelligent acidizing fracturing vehicle to solve the problems in the background art, the present application adopts a new energy battery chassis and an on-table electric drive integration as a unified power source, optimizes the energy structure of the whole vehicle power supply system, and can not only meet the field construction application but also minimize the loss of power battery charging and discharging times.

[0005] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme: a full-electric-drive intelligent acidizing fracturing vehicle, comprising a fracturing vehicle body, the fracturing vehicle body comprises a heavy truck chassis, a chassis power battery module, an on-table power battery module, a high-low pressure manifold and a control system, the driving power of the heavy truck chassis is provided by the chassis power battery module installed on both sides of the front end of the heavy truck chassis girder, the on-table power battery module is distributed at the rear of the heavy truck chassis head, the rear end of the on-table power battery module is provided with a on-table main motor, the on-table power battery module serves as the main power source of the fracturing vehicle plunger pump operation and provides the motor driving power source of the heavy truck chassis, the on-table main motor is connected to the control system for control, the chassis power battery module and the on-table power battery module are provided with an electric energy on-off device and an electric quantity indicator on the circuit, and the electric quantity indicator displays the residual electric quantity of the chassis power battery module and the on-table power battery module in the control system respectively.

[0006] Further, the chassis power battery module output end is connected with the heavy truck chassis motor, the chassis power battery module is used for driving the heavy truck chassis to provide the electric power source; the chassis power battery module is connected with the table main motor and used as the auxiliary power source of the fracturing vehicle plunger pump.

[0007] Further, the electric energy on-off device can realize the separate power supply or the series centralized power supply of the chassis power battery module and the table power battery module.

[0008] Further, the number of the table power battery modules is expanded or reduced according to the total power output of the fracturing vehicle at a time.

[0009] Further, the output end of the table main motor is connected with a reduction box, the rear end of the reduction box is installed with a transmission shaft, and the reduction box is connected with the plunger pump through the transmission shaft, and the tail end of the plunger pump is connected with a high-low pressure manifold.

[0010] Further, the table main motor converts electric power into rotary kinetic energy, and then the kinetic energy is transmitted to the plunger pump through the reduction box and the transmission shaft, the plunger pump converts the kinetic energy into pressure energy, and then the pressure energy is injected into the well bottom through the manifold system.

[0011] Further, the chassis power battery module and the table power battery module are provided with adjacent charging quick plugs on both sides of the heavy truck chassis, the electric energy on-off device on the output line of the chassis power battery module and the table power battery module displays the real-time residual electric quantity according to the electric quantity indicator, and the control system automatically controls the electric energy on-off device to switch the power supply source of the chassis vehicle and the table main motor.

[0012] Further, the chassis motor and the table motor can be powered by the chassis power battery module and the table power battery module or directly powered by an external power source.

[0013] Further, the plunger pump is additionally provided with a plurality of pressure, temperature and vibration detection electronic components, the bearing temperature, the connecting rod bush temperature and the pump shell copper sleeve temperature of the pump body are detected through the electronic components, the working time information is detected, the related alarm signals are formed by comparing the conventional operation database, and the alarm signals are displayed and fed back to the computer and the operator through the instrument on the control system.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The all-electric drive intelligent acidizing fracturing vehicle expands the battery endurance mileage of the heavy truck chassis and increases the continuous working time of the table equipment by supplementing the modular battery pack, reasonably arranging the complete vehicle-mounted system, switching the battery energy storage power supply system and calculating the load distribution, completely realizes the new energy and non-pollution construction condition, and optimizes the energy structure of the vehicle power supply system.

[0016] 2. The all-electric drive intelligent acidizing fracturing truck can expand or reduce the number of power battery modules on the platform according to the total power output of the fracturing truck on-site construction, which can meet the on-site construction application and minimize the loss of power battery charging and discharging times, prolonging the service life of the battery.

[0017] 3. The all-electric drive intelligent acidizing fracturing truck can meet the oilfield construction and conventional road transportation by switching the all-electric drive chassis battery energy storage and external power supply, intelligent plunger pump monitoring system, integrated research of intelligent control system of the whole equipment and remote control system, and using new energy battery chassis and on-platform electric drive integration as unified power source. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 The structure layout of the all-electric drive intelligent acidizing fracturing truck of the present application is shown in the figure.

[0019] Fig. 2 The power battery energy distribution diagram of the all-electric drive intelligent acidizing fracturing truck of the present application is shown in the figure.

[0020] Fig. 3 The plunger pump intelligent control system flow chart of the present application is shown in the figure.

[0021] In the figure: 1, heavy truck chassis; 2, chassis power battery module; 3, on-platform power battery module; 4, on-platform main motor; 5, reduction box; 6, transmission shaft; 7, plunger pump; 8, high-low pressure manifold; 9, control system. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.

[0023] Please refer to Figs. 1 to 3The application provides a technical scheme: a full-electric drive intelligent acidification fracturing vehicle, which comprises a heavy truck chassis 1, a chassis power battery module 2, an on-table power battery module 3, an on-table main motor 4, a reduction box 5, a transmission shaft 6, a plunger pump 7, a high-low pressure manifold 8 system, a control system 9 and the like. The heavy truck chassis 1 is a commonly used known bearing chassis in domestic and foreign oilfields, the driving power of which is provided by the chassis power battery module 2 installed on both sides of the front end of the heavy truck chassis 1 girder, the output end of the chassis power battery module 2 is connected with the motor of the heavy truck chassis 1, and is used for driving the heavy truck chassis 1 to provide the power source for driving, and is connected with the on-table main motor 4, and is used as the auxiliary power source for the plunger pump 7 of the fracturing vehicle. The on-table power battery module 3 is distributed at the rear of the head of the heavy truck chassis 1, the output end of the on-table power battery module 3 is connected with the on-table main motor 4, and is used as the main power source for the plunger pump 7 of the fracturing vehicle, and can also provide the driving power source for the motor of the heavy truck chassis 1. The chassis power battery module 2 and the on-table power battery module 3 are provided with an electric energy on-off device and an electric quantity indicator on the line, the electric quantity indicator displays the residual electric quantity of the chassis power battery module 2 and the on-table power battery module 3 on the control system 9, so that the operator can monitor the residual electric quantity in real time, and the electric energy on-off device can realize separate power supply or series centralized power supply of the chassis power battery module 2 and the on-table power battery module 3. The on-table main motor 4 converts the electric power into rotary kinetic energy, and transmits the rotary kinetic energy to the plunger pump 7 through the reduction box 5 and the transmission shaft 6, drives the plunger pump 7 to convert the kinetic energy into pressure energy, and injects the pressure energy into the bottom of the well through the manifold system, and completes the fracturing construction. The full-electric drive intelligent acidification fracturing vehicle expands the battery endurance mileage of the heavy truck chassis 1 and increases the continuous working time of the on-table equipment through the supplement of the modular battery pack, the rationalized layout of the complete vehicle-mounted system, the switching of the battery energy storage power supply system and the research on the load distribution calculation, completely realizes the new energy and non-pollution construction condition, and optimizes the energy structure of the whole vehicle power supply system.

[0024] In the embodiment, the on-table power battery module 3 is not limited to the number shown in the figure, and the number of the on-table power battery module 3 can be expanded or reduced according to the total power output of the fracturing vehicle at a time, the chassis power battery module 2 and the on-table power battery module 3 are provided with adjacent fast charging plugs on both sides of the heavy truck chassis 1, the battery module charging line connection and placement of the well site can be facilitated, the well site power supply vehicle or the charging station can be connected for fast charging, and the electric energy on-off device on the output line of the chassis power battery module 2 and the on-table power battery module 3 can automatically control the electric energy on-off device through the control system 9 according to the real-time residual electric quantity displayed by the electric quantity indicator, flexibly switch the power supply source of the chassis and the on-table main motor 4, and expand the power supply power amplitude value of the whole machine.

[0025] The chassis motor and the on-table motor of the embodiment can be powered by the chassis and on-table power battery module 3 carried on the vehicle, can also be directly powered by the external power supply of the well site, and the plunger pump 7 is additionally provided with a plurality of pressure, temperature, vibration and other detection electronic components. The bearing temperature, connecting rod bush temperature, pump shell copper sleeve temperature and working time of the pump body are detected in a timely and effective manner, and relevant alarm signals are formed by comparing the information with the conventional operation database. The information is displayed on the instrument of the system and fed back to the computer and the operator. At the same time, in the case that manual processing is not timely, intelligent operation control such as emergency shutdown is realized. The requirements of the operator are simplified, early warning is realized, the service life of the plunger pump 7 is improved, and the control system 9 can realize intelligent remote control with a distance of more than 50 kilometers, so that unattended operation and manned inspection operation mode can be realized.

[0026] The application also provides the following specific embodiments:

[0027] Embodiment 1

[0028] The battery capacity of the chassis power battery module 2 arranged on the heavy truck chassis 1 is 350KW.h, the battery capacity of each group of the on-table power battery module 3 is 350KW.h, and the power of the on-table main motor 4 is 300KW. Taking the installation of two groups of on-table power battery modules 3 as an example (the on-table power battery module 3 is not limited to the number listed, and the number of on-table power battery modules 3 can be expanded or reduced according to the total output power of the fracturing truck at one time), when the heavy truck chassis 1 is driving on the road, the driving range of the power battery of the heavy truck chassis 1 is 218km according to the power consumption of 1.6KW.h / km. When the operator in the heavy truck chassis 1 checks the remaining power of the chassis truck through the power indicator in the cab and finds that the remaining power is insufficient to run to the destination, the power on-off device can be manually operated to connect the chassis power battery module 2 and the on-table power battery module 3 in series to provide power source for the heavy truck chassis 1. At this time, the driving range of the power battery of the heavy truck chassis 1 is increased to 590km. When the fracturing truck is working in the well site, the on-table power battery module 3 can support the on-table main motor 4 to work for 2.1h according to the power of 300KW of the on-table main motor 4. When the operator checks the remaining power of the on-table power battery module 3 through the power indicator on the control system 9 and finds that the remaining power is insufficient to support the continuous fracturing construction, the power on-off device can be manually operated to connect the chassis power battery module 2 and the on-table power battery module 3 in series to provide power source for the on-table main motor 4. At this time, the power battery module of the fracturing truck can support the on-table main motor 4 to work for 3.1h;

[0029] Embodiment 2

[0030] The plunger pump 7 is equipped with multiple pressure, temperature, vibration and other detection electronic components on the lubricating oil circuit and key operating components (bearings, connecting rod shoes, crosshead bushings, etc.). The bearing temperature, connecting rod shoe temperature, pump shell copper sleeve temperature, working time and other information of the pump body are detected in a timely and effective manner. By comparing with the conventional operation database, relevant alarm signals are formed. Through the instrument display on the system, feedback is given to the computer and the operator. In the case of not timely manual processing, intelligent operation control such as emergency shutdown is realized. At the same time, such comprehensive information can also be transmitted to the user's mobile phone client through remote transmission, and the on-site operation consultation can be mastered on the palm. Simplify the requirements of the operator, realize early warning, and improve the service life of the plunger pump 7. The detection electronic components and the attached Fig. 3 The sensor module parts shown are all existing mature technologies. According to the specific application scene of the fracturing truck, the sensors and electronic components with corresponding parameters are connected and assembled to realize the corresponding detection and sensing functions.

[0031] The fracturing truck can expand or reduce the number of power battery modules 3 on the table according to the total single output power of the fracturing truck on-site construction. It can not only meet the on-site construction application, but also minimize the loss of power battery charging and discharging times, and prolong the service life of the battery.

[0032] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0033] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A fully electric intelligent acid fracturing truck, comprising a fracturing truck body, characterized in that: The fracturing vehicle body includes a heavy truck chassis (1), a chassis power battery module (2), a platform power battery module (3), high and low pressure manifolds (8), and a control system (9). The driving power of the heavy truck chassis (1) is provided by the chassis power battery module (2) installed on both sides of the front end of the heavy truck chassis (1). The platform power battery module (3) is distributed at the rear of the front of the heavy truck chassis (1). The platform main motor (4) is installed at the rear end of the platform power battery module (3). The battery module (3) serves as the main power source for the fracturing truck plunger pump (7) and the driving motor of the heavy truck chassis (1). The main motor (4) on the platform is connected to the control system (9) for control. Power switches and power indicators are installed on the circuits of the chassis power battery module (2) and the platform power battery module (3). The power indicators display the remaining power of the chassis power battery module (2) and the platform power battery module (3) in the control system (9). The output end of the battery module (2) is connected to the motor of the heavy truck chassis (1). The chassis power battery module (2) is used to drive the heavy truck chassis (1) to provide power. The chassis power battery module (2) is connected to the main motor (4) on the platform as an auxiliary power source for the working of the plunger pump (7) of the fracturing truck. The chassis power battery module (2) and the platform power battery module (3) are provided with adjacent charging quick plugs on both sides of the heavy truck chassis (1). The power switch on the output line of the chassis power battery module (2) and the platform power battery module (3) displays the real-time remaining power according to the power indicator. The power switch is automatically controlled by the control system (9) to switch the power supply source of the chassis and the main motor (4) on the platform. The plunger pump (7) is equipped with multi-channel pressure, temperature and vibration detection electronic components. The bearing temperature, connecting rod bearing temperature, pump casing copper sleeve temperature and working time information of the pump body are detected by the electronic components. The detected data is compared with the conventional operation database to form relevant alarm signals.

2. The all-electric intelligent acid fracturing truck according to claim 1, characterized in that: The power switch provides power to the chassis power battery module (2) and the platform power battery module (3) individually or in series for centralized power supply.

3. The all-electric intelligent acid fracturing truck according to claim 1, characterized in that: The number of power battery modules (3) on the platform is increased or decreased according to the total output power of the fracturing truck in a single operation.

4. The all-electric intelligent acid fracturing truck according to claim 1, characterized in that: The output end of the main motor (4) on the platform is connected to a reduction gearbox (5), and a drive shaft (6) is installed at the rear end of the reduction gearbox (5). The reduction gearbox (5) is connected to the plunger pump (7) through the drive shaft (6), and the end of the plunger pump (7) is connected to a high and low pressure manifold (8).

5. The all-electric intelligent acid fracturing truck according to claim 4, characterized in that: The main motor (4) on the platform converts electrical power into rotational kinetic energy, which is then transmitted to the plunger pump (7) through the gearbox (5) and drive shaft (6). The plunger pump (7) is driven to convert the kinetic energy into pressure energy, which is then injected into the bottom of the well through the high and low pressure manifold (8).

6. The all-electric intelligent acid fracturing truck according to claim 1, characterized in that: The chassis motor and the main motor on the platform (4) are powered by the vehicle-mounted chassis and the power battery module (3) or directly by an external power source.

7. The all-electric intelligent acid fracturing truck according to claim 1, characterized in that: The alarm signal is fed back to the computer and operators through the instrument display on the control system (9).

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