CN211950463U - Electrically-driven fracturing unit all-in-one machine and oil production system - Google Patents

Electrically-driven fracturing unit all-in-one machine and oil production system Download PDF

Info

Publication number
CN211950463U
CN211950463U CN202020655647.9U CN202020655647U CN211950463U CN 211950463 U CN211950463 U CN 211950463U CN 202020655647 U CN202020655647 U CN 202020655647U CN 211950463 U CN211950463 U CN 211950463U
Authority
CN
China
Prior art keywords
fracturing
transfer case
input end
power input
manifold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020655647.9U
Other languages
Chinese (zh)
Inventor
姜绍云
孙家军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sany Petroleum Intelligent Equipment Co Ltd
Original Assignee
Sany Petroleum Intelligent Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sany Petroleum Intelligent Equipment Co Ltd filed Critical Sany Petroleum Intelligent Equipment Co Ltd
Priority to CN202020655647.9U priority Critical patent/CN211950463U/en
Application granted granted Critical
Publication of CN211950463U publication Critical patent/CN211950463U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Fluid-Pressure Circuits (AREA)

Abstract

The utility model discloses an electrically-driven fracturing unit all-in-one machine and an oil production system, wherein the electrically-driven fracturing unit all-in-one machine comprises a chassis, and a driving device, a transfer case, a fracturing system, a sand mixing system and a control system which are arranged on the chassis; the transfer case comprises a power input end and a plurality of power output ends, the power input end of the transfer case is connected with the power output end of the driving device, the power input end of the fracturing system and the power input end of the sand mixing system are respectively connected with the power output ends of the transfer case in a one-to-one correspondence manner, the sand mixing system is used for providing mixed fracturing fluid for the fracturing system, and the driving device, the transfer case, the fracturing system and the sand mixing system are all electrically connected with the control system; the integrated electrically-driven fracturing unit can complete multiple constructions of pressure testing, sand mixing, fracturing and acidizing by using one trolley, and has high working efficiency and low maintenance cost.

Description

Electrically-driven fracturing unit all-in-one machine and oil production system
Technical Field
The utility model belongs to the technical field of energy exploitation equipment, especially, relate to an electricity drive fracturing unit all-in-one and oil recovery system.
Background
In the field of petroleum, fracturing and acidizing construction operations are one of important means for modifying oil and gas reservoirs, and fracturing construction is an effective method for increasing the mobility of oil and gas and improving the oil and gas recovery ratio by injecting high-pressure fluid to enable a bottom stratum to form sand-filled fractures with enough size. Fracturing construction generally adopts multiple model combined operation, and current fracturing construction equipment generally comprises many fracturing pump trucks, a fracturing blender truck, a set of ground manifold and other auxiliary assembly.
During fracturing construction, after fracturing fluid and propping agent are mixed by the sand mixer truck, the mixed fluid is supplied to a plurality of fracturing pump trucks through the connecting manifold, the fracturing pump trucks pressurize the mixed fluid, the mixed fluid is injected into a well bottom through the high-pressure manifold to implement fracturing operation, the instrument trucks perform whole-course monitoring and recording, a plurality of devices of the existing fracturing construction are jointly constructed, and the construction efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electricity drive fracturing unit all-in-one, this electricity drive fracturing unit all-in-one joins fracturing truck, fracturing blender truck and instrument truck integration, just can accomplish pressure testing, fracturing blender, fracturing, the multinomial construction of acidizing with a platform truck, and the efficiency of construction is high.
Another object of the utility model is to provide an oil recovery system, the electricity among this oil recovery system drives fracturing unit all-in-one with fracturing truck, fracturing blender truck and the integrated confluence of instrument truck, just can accomplish pressure testing, fracturing blender, fracturing, the multinomial construction of acidizing with a platform truck, work efficiency is high, and is with low costs.
The utility model discloses a realize through following technical scheme:
the utility model provides an electrically driven fracturing unit all-in-one machine, which comprises a chassis, and a driving device, a transfer case, a fracturing system, a sand mixing system and a control system which are arranged on the chassis; the transfer case comprises a power input end and a plurality of power output ends, the power input end of the transfer case is connected with the power output end of the driving device, the power input end of the fracturing system and the power input end of the sand mixing system are respectively connected with the power output ends of the transfer case in a one-to-one correspondence mode, the sand mixing system is used for providing mixed fracturing fluid for the fracturing system, and the driving device, the transfer case, the fracturing system and the sand mixing system are all electrically connected with the control system.
As above electrically drive fracturing unit all-in-one, the fracturing system includes the fracturing pump, the quantity of fracturing pump is many, every the power input end of fracturing pump with the power output end one-to-one of transfer case is connected.
As above electricity drive fracturing unit all-in-one, the mulling system includes mulling device and blending tank device, the mulling device be used for the blending tank device provides the mortar, the blending tank device is used for mixing mortar and acidizing fluid in order to form mixed fracturing fluid, the power input end of mulling device, the power input end of blending tank device respectively with the power take off end one-to-one of transfer case is connected.
As above electrically drive fracturing unit all-in-one, drive arrangement includes the motor, the motor is inverter motor.
The electric drive fracturing unit all-in-one machine further comprises a suction manifold, a discharge manifold and a connecting manifold, wherein the mixing tank device is communicated with the suction manifold, the fracturing pump is communicated with the mixing tank device through the connecting manifold, and the discharge manifold is communicated with the fracturing pump.
As above electricity drives fracturing unit all-in-one, still include safe manifold, safe manifold with the fracturing pump is connected, safe manifold is arranged in fracturing in-process emergency safety pressure release down.
As above electrically drive fracturing unit all-in-one, drive arrangement includes the radiator, the radiator is the fan, the fan be used for doing inverter motor cooling, the fan sets up and is keeping away from one side of transfer case.
As above electrically drive fracturing unit all-in-one, drive arrangement includes the reducing gear box, the input of reducing gear box with inverter motor's output is connected, the output of reducing gear box with the input of transfer case is connected.
The electrically-driven fracturing unit all-in-one machine is characterized in that the control system is used for controlling the displacement of the fracturing pump and the pressure of the fracturing pump.
The utility model discloses the first aspect provides an oil recovery system, oil recovery system includes as above the electricity drive fracturing unit all-in-one.
The utility model discloses an electricity drive fracturing unit all-in-one machine includes the chassis and set up in drive arrangement, transfer case, fracturing system, mulling system and control system on the chassis, the transfer case includes a power input end and a plurality of power take off end, the power input end of transfer case is connected with drive arrangement's power take off end, the power input end of fracturing system, the power input end of mulling system and the power take off end one-to-one of transfer case are connected, drive arrangement provides power for fracturing system and mulling system through the transfer case, control system and drive arrangement, the transfer case, fracturing system and mulling system electricity are connected and are realized to drive arrangement, the transfer case, fracturing system and the control of mulling system, this electricity drive fracturing unit all-in-one machine just can accomplish the pressure testing, the mulling, fracturing, acidizing multinomial construction, the efficiency is high.
The utility model discloses an oil recovery system includes above-mentioned electricity and drives fracturing unit all-in-one, and the drive arrangement who drives fracturing unit all-in-one passes through the transfer case and provides power for the fracturing system with mix the sand system, and control system and drive arrangement, transfer case, fracturing system and the electricity of mixing the sand system are connected and are realized the control to drive arrangement, transfer case, fracturing system and mix the sand system, and this electricity drives fracturing unit all-in-one and just can accomplish pressure testing, muddy sand, fracturing, the construction of acidizing multinomial, and the efficiency of construction is high with a platform truck.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of an example of an electrically driven fracturing unit all-in-one machine provided by the present invention.
Description of reference numerals:
1-a drive device;
2-a transfer case;
3-a fracturing system;
4-a sand mulling system;
5-a control system;
6-suction manifold;
7-an exhaust manifold;
41-a sand mulling device;
42-mixing tank device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The existing fracturing construction generally adopts a plurality of machine types for combined operation, and comprises a plurality of fracturing pump trucks, a sand mixer truck, a set of ground manifold and other auxiliary equipment; in the construction, the fracturing fluid and the propping agent are mixed by the sand mixer truck, and then are supplied to a plurality of fracturing pump trucks through the connecting manifold, the mixed fluid is pressurized by the fracturing pump trucks and is injected into the well bottom through the high-pressure manifold to implement fracturing operation, the instrument trucks perform whole-course monitoring and recording, a plurality of devices are jointly constructed, the debugging time is long, the efficiency is low, the cost of the plurality of devices is high, the system is complex, and the maintenance is difficult.
The utility model discloses an electricity drives fracturing unit all-in-one and oil recovery system is proposed based on above problem.
It is right to combine specific embodiment below the utility model provides an electricity drives fracturing unit all-in-one and oil recovery system and introduces in detail.
The first embodiment is as follows:
fig. 1 is a block diagram of an example of an electrically-driven fracturing unit all-in-one machine provided in an embodiment of the present invention, please refer to fig. 1, the present embodiment provides an electrically-driven fracturing unit all-in-one machine, and the electrically-driven fracturing unit all-in-one machine of the present embodiment includes a chassis, and a driving device 1, a transfer case 2, a fracturing system 3, a sand mulling system 4 and a control system 5 which are arranged on the chassis; the transfer case 2 comprises a power input end and a plurality of power output ends, the power input end of the transfer case is connected with the power output end of the driving device 1, the power input end of the fracturing system 3 and the power input end of the sand mulling system 4 are respectively connected with the power output end of the transfer case 2 in a one-to-one correspondence mode, and the driving device 1, the transfer case 2, the fracturing system 3 and the sand mulling system 4 are all electrically connected with the control system 5.
The fracturing system 3 and the sand mixing system 4 of this embodiment are integrated on the all-in-one, drive arrangement 1 is used for driving fracturing system 3 and sand mixing system 4, the sand mixing system forms mixed fracturing fluid after accomplishing fracturing fluid, proppant and various additives mixture, the fracturing system carries out the pressure boost with mixed fracturing fluid, collect through the high-pressure manifold and pour into the shaft bottom into, current fracturing truck mainly comprises delivery chassis, on-vehicle diesel engine, drive mechanism, fracturing pump etc. current fracturing system 3 and sand mixing system 4 of this embodiment are integrated on the all-in-one, drive arrangement 1 provides power for fracturing system 3 and sand mixing system 4 through transfer case 2.
The transfer case 2 of the present embodiment is a device that distributes the power of the drive device 1, and the transfer case 2 has one power input end and a plurality of power output ends, wherein the number of the power output ends of the transfer case can be preset in advance as required.
The control system 5 of this embodiment is connected with drive arrangement 1, transfer case 2, fracturing system 3 and 4 electricity of fracturing blender system, and control system 5 control transfer case 2 distributes power, can realize the control of fracturing system 3 and 4 operational parameter of fracturing blender system through control system 5, has improved the intelligence and the security of the fracturing unit all-in-one of electricity drives.
The theory of operation of the electrically-driven fracturing unit all-in-one of this embodiment is that driving transfer case 2 work through drive arrangement 1, and transfer case 2 drives fracturing system 3 and 4 work of mulling system, and mulling system 4 provides the fracturing fluid mixture for fracturing system, and the fracturing system 3 is discharged by the high pressure discharge pipe after pressurizing the fracturing fluid mixture in the fracturing system, pours into and implements the fracturing operation in the pit.
The electrically-driven fracturing unit all-in-one machine of this embodiment includes the chassis and set up in drive arrangement, transfer case, fracturing system, mulling system and control system on the chassis, the transfer case includes a power input end and a plurality of power take off end, and the power input end of transfer case is connected with drive arrangement's power take off end, and the power input end of fracturing system, mulling system's power input end and the power take off end one-to-one of transfer case are connected, drive arrangement the transfer case fracturing system with the mulling system all with control system electricity is connected, and electrically-driven fracturing unit all-in-one machine converges all functions of fracturing truck, mulling, manifold car and instrument truck, just can accomplish pressure testing, mulling, fracturing, acidizing multinomial construction with a platform truck, and work efficiency is high, and the maintenance cost is low.
Further, in this embodiment, the fracturing system 3 includes a plurality of fracturing pumps, and the power input end of each fracturing pump is connected to the power output end of the transfer case in a one-to-one correspondence manner. In this embodiment, can set up many or a fracturing pump according to the fracturing demand of oil recovery scene, every fracturing pump all passes through transfer case 2 drives.
Preferably, the driving device 1 comprises a motor, and the motor is a variable frequency motor. The driving device 1 of the embodiment adopts a variable frequency motor, and can adapt to frequent speed change under different working conditions.
Further, the sand mulling system 4 comprises a sand mulling device 41 and a mixing tank device 42, the sand mulling device 41 is used for providing mortar for the mixing tank device 42, the mixing tank device 42 is used for mixing the mortar and acidizing fluid to form mixed fracturing fluid, and the power input end of the sand mulling device 41 and the power input end of the mixing tank device are respectively connected with the power output end of the transfer case 2 in a one-to-one correspondence manner.
In this embodiment, the fracturing fluid further comprises a suction manifold 6, a discharge manifold 7 and a connecting manifold, the mixing tank device 42 is communicated with the suction manifold 6, various additives enter the mixing tank device 42 through the suction manifold 6, the fracturing pump is communicated with the mixing tank device through the connecting manifold, and the discharge manifold 7 is communicated with the fracturing pump. The fracturing pump discharges the fracturing fluid in the mixing tank arrangement 42 through the discharge manifold 7.
Further, in this embodiment, still include safe manifold, safe manifold with the fracturing pump is connected, safe manifold is used for fracturing in-process emergency safety pressure release down.
Further, drive arrangement 1 includes the radiator, the radiator is the fan, the fan is used for inverter motor cooling, the fan sets up and is keeping away from one side of transfer case. The fan is arranged to cool the variable frequency motor, so that the service life of the variable frequency motor can be prolonged.
In this embodiment, the driving device 1 includes a reduction gearbox, an input end of the reduction gearbox is connected with an output end of the variable frequency motor, and an output end of the reduction gearbox is connected with an input end of the transfer case 2.
In this embodiment, the control system 5 is configured to control the displacement of the fracturing pump and the pressure of the fracturing pump, and a technician may adjust the displacement and the pressure of the fracturing pump through the control system 5.
The electrically-driven fracturing unit all-in-one machine of this embodiment is with the fracturing truck, the fracturing blender truck, the manifold car and all function integration of instrument truck converge, inverter motor passes power to transfer case 2, transfer case 2 is power branch again and is given the fracturing pump of fracturing system 3, blending tank device 42 and mulling device 41, mulling device 41 provides the mortar for blending tank device 42, blending tank device 42 mixes mortar and acidizing fluid and forms the mixed fracturing fluid, the mixed fracturing fluid passes through the fracturing pump pressurization back, export the shaft bottom through discharge manifold 7.
Example two:
the embodiment provides an oil production system, and the oil production system comprises the electrically-driven fracturing unit all-in-one machine of the first embodiment. The electrically-driven fracturing unit all-in-one machine is mainly used for fracturing construction, and high-pressure fluid is injected to enable a bottom stratum of an oil field to form sand-filled fractures, so that the mobility of oil gas is increased, and the recovery ratio of the oil gas is improved.
The electrically-driven fracturing unit all-in-one machine comprises a chassis, and a driving device, a transfer case, a fracturing system, a sand mixing system and a control system which are arranged on the chassis; the transfer case comprises a power input end and a plurality of power output ends, the power input end of the transfer case is connected with the power output end of the driving device, the power input end of the fracturing system and the power input end of the sand mixing system are respectively connected with the power output ends of the transfer case in a one-to-one correspondence mode, and the driving device, the transfer case, the fracturing system and the sand mixing system are all electrically connected with the control system.
The oil recovery system of this embodiment includes above-mentioned electricity and drives fracturing unit all-in-one, and electricity drives fracturing unit all-in-one and joins fracturing truck, fracturing blender truck, manifold car and all function integrations of instrument truck, just can accomplish pressure testing, fracturing blender, fracturing, the many items of constructions of acidizing with a platform truck, and work efficiency is high, and the maintenance cost is low.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an electricity drives fracturing unit all-in-one which characterized in that:
the system comprises a chassis, and a driving device, a transfer case, a fracturing system, a sand mulling system and a control system which are arranged on the chassis; the transfer case comprises a power input end and a plurality of power output ends, the power input end of the transfer case is connected with the power output end of the driving device, the power input end of the fracturing system and the power input end of the sand mixing system are respectively connected with the power output ends of the transfer case in a one-to-one correspondence mode, and the driving device, the transfer case, the fracturing system and the sand mixing system are all electrically connected with the control system.
2. The electrically driven fracturing unit integrated machine of claim 1, wherein: the fracturing system comprises one or more fracturing pumps, and the power input end of each fracturing pump is connected with the power output end of the transfer case in a one-to-one correspondence mode.
3. The electrically driven fracturing unit integrated machine of claim 2, wherein: the sand mixing system comprises a sand mixing device and a mixing tank device, the sand mixing device is used for providing mortar for the mixing tank device, the mixing tank device is used for mixing the mortar and acidizing fluid to form mixed fracturing fluid, and a power input end of the sand mixing device and a power input end of the mixing tank device are respectively connected with a power output end of the transfer case in a one-to-one correspondence mode.
4. The electrically driven fracturing unit all-in-one machine as claimed in claim 3, wherein: the fracturing pump is characterized by further comprising a suction manifold, a discharge manifold and a connecting manifold, the mixing tank device is communicated with the suction manifold, the fracturing pump is communicated with the mixing tank device through the connecting manifold, and the discharge manifold is communicated with the fracturing pump.
5. The electrically driven fracturing unit all-in-one machine as claimed in claim 4, wherein: still include safe manifold, safe manifold with the fracturing pump is connected, safe manifold is arranged in the safe pressure release under the fracturing in-process emergency.
6. The electrically driven fracturing unit integrated machine of claim 1, wherein: the driving device comprises a motor, and the motor is a variable frequency motor.
7. The electrically driven fracturing unit integrated machine of claim 6, wherein: the driving device comprises a radiator, the radiator is a fan, the fan is used for cooling the variable frequency motor, and the fan is arranged on one side far away from the transfer case.
8. The electrically driven fracturing unit integrated machine of claim 6, wherein: the driving device comprises a reduction gearbox, the input end of the reduction gearbox is connected with the output end of the variable frequency motor, and the output end of the reduction gearbox is connected with the input end of the transfer case.
9. The electrically driven fracturing unit integrated machine of claim 2, wherein: the control system is used for controlling the displacement of the fracturing system and the pressure of the fracturing pump.
10. An oil recovery system comprising an electrically driven fracturing unit integrated machine according to any of claims 1 to 9.
CN202020655647.9U 2020-04-26 2020-04-26 Electrically-driven fracturing unit all-in-one machine and oil production system Active CN211950463U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020655647.9U CN211950463U (en) 2020-04-26 2020-04-26 Electrically-driven fracturing unit all-in-one machine and oil production system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020655647.9U CN211950463U (en) 2020-04-26 2020-04-26 Electrically-driven fracturing unit all-in-one machine and oil production system

Publications (1)

Publication Number Publication Date
CN211950463U true CN211950463U (en) 2020-11-17

Family

ID=73162977

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020655647.9U Active CN211950463U (en) 2020-04-26 2020-04-26 Electrically-driven fracturing unit all-in-one machine and oil production system

Country Status (1)

Country Link
CN (1) CN211950463U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111411931A (en) * 2020-04-26 2020-07-14 三一石油智能装备有限公司 Electrically-driven fracturing unit all-in-one machine and oil production system
US11702920B1 (en) 2022-06-24 2023-07-18 Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. Fracturing control method and fracturing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111411931A (en) * 2020-04-26 2020-07-14 三一石油智能装备有限公司 Electrically-driven fracturing unit all-in-one machine and oil production system
US11702920B1 (en) 2022-06-24 2023-07-18 Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. Fracturing control method and fracturing system

Similar Documents

Publication Publication Date Title
CN215719294U (en) Electrically driven fracturing system
CN210598945U (en) Hydraulic fracturing system for driving plunger pump by turbine engine
CN210598946U (en) Electrically-driven fracturing well site system
CN111677476A (en) Electrically-driven ultra-large displacement well cementation equipment
US11952996B2 (en) Constant voltage power distribution system for use with an electric hydraulic fracturing system
CN109906305B (en) Electric hydraulic fracturing system
US10865631B1 (en) Hydraulic fracturing system for driving a plunger pump with a turbine engine
CN212671744U (en) Electric fracturing operation system
CN210049880U (en) Ultrahigh-power-density electrically-driven fracturing equipment
CN211950463U (en) Electrically-driven fracturing unit all-in-one machine and oil production system
US9611728B2 (en) Cold weather package for oil field hydraulics
CN203876633U (en) Multifunctional blending liquid supply vehicle
US9650871B2 (en) Safety indicator lights for hydraulic fracturing pumps
CN107208557B (en) The dislocation generation equipment of hydraulic fracturing for subsurface geological structure
CN110513097A (en) A kind of electricity drives the wellsite system of pressure break
CN107816341B (en) A kind of hydraulic-driven Modular pump pressure break sledge
CN104057864A (en) Multifunctional blending and liquid supplying vehicle
CN103343679B (en) A kind of electro-hydraulic combination drive fracturing blender truck
CN103758499A (en) Fracturing truck and fracturing equipment set
CN113550725B (en) Electric fracturing operation system
CN111411931A (en) Electrically-driven fracturing unit all-in-one machine and oil production system
CN113969774A (en) Coal bed gas fracturing equipment and operation method
CN203832322U (en) Fracturing truck and fracturing equipment unit
CN114508470B (en) Fracturing truck, fracturing hybrid driving system and fracturing hybrid driving method
CN103389686B (en) Method for controlling pump truck and pump truck

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant