CN111411931A - 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 PDFInfo
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- CN111411931A CN111411931A CN202010337808.4A CN202010337808A CN111411931A CN 111411931 A CN111411931 A CN 111411931A CN 202010337808 A CN202010337808 A CN 202010337808A CN 111411931 A CN111411931 A CN 111411931A
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- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 238000012546 transfer Methods 0.000 claims abstract description 64
- 238000002156 mixing Methods 0.000 claims abstract description 61
- 239000004576 sand Substances 0.000 claims abstract description 51
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 230000005611 electricity Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 18
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000000605 extraction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
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- Mining & Mineral Resources (AREA)
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- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention 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.
Description
Technical Field
The invention belongs to the technical field of energy exploitation equipment, and particularly relates to an electrically-driven fracturing unit all-in-one machine and an oil extraction 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.
Disclosure of Invention
The invention mainly aims to provide an electrically-driven fracturing unit all-in-one machine, which integrates and converges a fracturing truck, a sand mixing truck and an instrument truck, can finish multiple constructions of pressure test, sand mixing, fracturing and acidizing by using one truck, and has high construction efficiency.
The invention also aims to provide an oil extraction system, wherein the electrically-driven fracturing unit integrated machine in the oil extraction system integrates and converges the fracturing truck, the sand mulling truck and the instrument truck, so that multiple constructions of pressure test, sand mulling, fracturing and acidizing can be completed by one truck, the working efficiency is high, and the cost is low.
The invention is realized by the following technical scheme:
the invention 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.
In a first aspect, the invention provides an oil production system comprising an electrically driven fracturing unit integrated machine as described above.
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, wherein 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, the power input end of the sand mixing system and the power output end of the transfer case are correspondingly connected one by one, the driving device provides power for the fracturing system and the sand mixing system through the transfer case, and the control system is electrically connected with the driving device, the transfer case, the fracturing system and the sand mixing system to realize control over the driving device, the transfer case, the fracturing system and the sand mixing system.
The oil production system comprises the electrically-driven fracturing unit all-in-one machine, a driving device of the electrically-driven fracturing unit all-in-one machine provides power for a fracturing system and a sand mixing system through the transfer case, a control system is electrically connected with the driving device, the transfer case, the fracturing system and the sand mixing system to realize control over the driving device, the transfer case, the fracturing system and the sand mixing system, the electrically-driven fracturing unit all-in-one machine can complete multiple constructions of pressure test, sand mixing, fracturing and acidizing, and the construction efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
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.
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 technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings 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, the term "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 invention provides an electrically-driven fracturing unit all-in-one machine and an oil extraction system based on the problems.
The electrically-driven fracturing unit all-in-one machine and the oil production system provided by the invention are described in detail in the following by combining specific embodiments.
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 by an embodiment of the present invention, and please refer to fig. 1, the 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; while the invention has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010337808.4A CN111411931A (en) | 2020-04-26 | 2020-04-26 | Electrically-driven fracturing unit all-in-one machine and oil production system |
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| CN202010337808.4A CN111411931A (en) | 2020-04-26 | 2020-04-26 | Electrically-driven fracturing unit all-in-one machine and oil production system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021218590A1 (en) * | 2020-04-26 | 2021-11-04 | 四川宏华石油设备有限公司 | Electric fracturing operation system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584819Y (en) * | 2002-10-25 | 2003-11-05 | 中国石化集团江汉石油管理局第四机械厂 | Multifunction fracture sand mixing truck |
| CN211950463U (en) * | 2020-04-26 | 2020-11-17 | 三一石油智能装备有限公司 | Electrically-driven fracturing unit all-in-one machine and oil production system |
-
2020
- 2020-04-26 CN CN202010337808.4A patent/CN111411931A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584819Y (en) * | 2002-10-25 | 2003-11-05 | 中国石化集团江汉石油管理局第四机械厂 | Multifunction fracture sand mixing truck |
| CN211950463U (en) * | 2020-04-26 | 2020-11-17 | 三一石油智能装备有限公司 | Electrically-driven fracturing unit all-in-one machine and oil production system |
Non-Patent Citations (1)
| Title |
|---|
| 秦大鹏等: "集成压裂机组研制", 石油矿场机械, vol. 36, no. 01, 31 December 2007 (2007-12-31), pages 56 - 60 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021218590A1 (en) * | 2020-04-26 | 2021-11-04 | 四川宏华石油设备有限公司 | Electric fracturing operation system |
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