CN104204521A - Fracturing pump - Google Patents
Fracturing pump Download PDFInfo
- Publication number
- CN104204521A CN104204521A CN201280072274.0A CN201280072274A CN104204521A CN 104204521 A CN104204521 A CN 104204521A CN 201280072274 A CN201280072274 A CN 201280072274A CN 104204521 A CN104204521 A CN 104204521A
- Authority
- CN
- China
- Prior art keywords
- motor
- fracturing pump
- water
- cooling
- fracturing
- 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.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000001816 cooling Methods 0.000 claims abstract description 55
- 238000004891 communication Methods 0.000 claims description 10
- 239000000284 extract Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 10
- 239000000498 cooling water Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 208000010392 Bone Fractures Diseases 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 206010010214 Compression fracture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
-
- 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
-
- 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
- E21B43/2607—Surface equipment specially adapted for fracturing operations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Disclosed is a fracturing pump, comprising a cooling apparatus and a control apparatus. A motor is coupled to the shaft of the fracturing pump. The cooling apparatus comprises an air cooling device for cooling the rotor of the motor and a water cooling device for cooling the stator of the motor. The control device is coupled to the cooling devices for the motor respectively. The present fracturing pump can effectively dissipate heat.
Description
Technical field
The present invention relates to oil field compression fracture construction operation equipment technical field, more particularly to a kind of fracturing pump.
Background technology
At home and abroad in the recovery process of oil gas field resource, for the storage feature of different geological structure and petroleum resources, in order to improve the recovery ratio of petroleum resources and obtain optimal economic benefit, reservoir stimulation reforming technology technology(That is acid-fracture technology)Obtain extensive utilization.Frac unit equipment is to implement the critical equipment of this technology, and pressure break pump truck is indispensable nucleus equipment in this set critical equipment, and its importance has some idea of.The main force's vehicle used both at home and abroad at present is 2000hp~2500hp fracturing pump, the pressure break pump truck used now has a common drive mechanism feature, it is that fracturing pump is all that diesel engine on ride drives work by gearbox with universal drive shaft, the output discharge capacity and pressure change of fracturing pump, combine to realize by the rotating speed and the stepping of gearbox that control diesel engine.And because by being limited in terms of the mechanical structure kind of drive, chassis vehicle bearing capacity and road, the bridge traffic capacity, the single-machine capacity of fracturing pump is difficult to improve again;When carrying out MHF operation, in order to reach operational discharge capacity requirement, it is necessary to pressure break pump truck number of units it is more so that site operation floor space is increasing, and it is high that manifold is laid out more complicated, preliminary preparation cycle length, cost;And fracturing work control difficulty is increasing, its exist control accuracy is not high and becomes increasingly conspicuous the problems such as the sensitivity of response speed, potential safety hazard is big during work.
The Frac unit system generally used both at home and abroad at present:Mainly it is made up of engine, hydraulic transmission gear box, transmission device, horizontal five cylinders fracturing pump, suction manifold, exhaust manifold, security system, fuel system, power end profit system etc., pass through the startup oil pump of the dynamic start ride engine of chassis vehicle, oil pump drives the starter motor of ride engine, start ride engine, the power produced by ride engine passes to big pump power end by hydraulic transmission gear box and power transmission shaft and drives pressure break pump work.But the transmission scheme existing defects:First, the Frac unit drive mechanism is complicated, takes up too much space;Secondly, it is necessary to which the equipment parts inspected periodically are more, maintenance cost is high;Also, due to hydraulic transmission gear box, to the speed of fracturing pump, the control accuracy such as moment of torsion is not high.
The content of the invention
It is above-mentioned not enough there is provided a kind of single-machine capacity is big, work discharge capacity is big, floor space is small in the presence of prior art it is an object of the invention to overcome, and the high fracturing pump of control accuracy such as speed, the moment of torsion to fracturing unit truck.
In order to realize foregoing invention purpose, the invention provides following technical scheme:
Motor is connected with a kind of fracturing pump, including cooling device and control device, the axle of the fracturing pump, the cooling device includes the air cooling equipment for cooling down the motor rotor, and cools down the water cooling plant of the motor stator;The control device is connected with the motor and the cooling device respectively.
Preferably, the fracturing pump is two, and the cooling device is arranged between two fracturing pumps.
Preferably, the control system of the motor is middle pressure numerical control variable frequency control.
Preferably, temperature sensor and pressure sensor are installed, the temperature sensor and the pressure sensor, the frequency converter of the motor are connected to PLC by bus cable, and PLC is connected with human machine input device on the fracturing pump.
Preferably, the fieldbus is Profibus fieldbus.
Preferably, supervising device is connected with the communication interface of Profibus fieldbus, supervising device is remotely connected with the communication interface of Profibus fieldbus by Ethernet, the distributed I/O equipment communicated with the PLC of key-course reaches the programmable controller of measuring truck, and the programmable controller passes through fieldbus and supervisory layers connecting communication.
Preferably, the human machine input device is graphic control panel.
Preferably, the air cooling equipment includes blower fan, and the air outlet of the blower fan connects the motor interior, a radial fan is also equipped with the motor field frame, the radial fan outwards extracts air out by the motor interior.
Preferably, the water cooling plant includes water pump, and the water inlet of the water pump is connected with water tank, water jacket outside the delivery port connection motor of the water pump, there is S-shaped passage, the delivery port connection radiator of the water jacket, the delivery port of the radiator connects the water tank inside the water jacket.
Preferably, it is additionally provided with discharge outlet on the water jacket.
Compared with prior art, beneficial effects of the present invention:
1st, because fracturing pump of the present invention employs the structure of electric-machine directly-driven, the drive mechanism form of conventional fracturing pump diesel engine plus transmission case is broken, has made the simple in construction of whole fracturing pump, the equipment installed on fracturing unit truck is few, equipment failure rate is reduced, and use is more safe and reliable.
2nd, because pressure break pump power of the present invention is big; discharge capacity is big; the pump of a car one or a car double pump can be realized; greatly reduce floor space during fracturing work; and greatly reduce the connecting pipeline between fracturing pump; site operation fracture manifold layout is more succinct, and scale application advantage is protruded, and meets Modern Green environmental requirement.
3rd, because the cooling device of fracturing pump of the present invention includes air cooling equipment and water cooling plant, produced heat during motor operation, a part is taken away by air cooling equipment forced ventilation, and the recirculated water that another part is formed by water cooling plant is taken away by motor water jacket, so as to realize the purpose of radiating.Wherein in some preferred embodiments, cooling air enters blower fan by the air inlet of motor air cooling equipment, pass through the centrifugal force formation high pressure cooling air of blower fan, subsequently into motor internal, the heat of electric machine iron core generation is taken away, fan rotation produces centrifugal force, make to form low-pressure area at fan, accelerate the air flow of motor internal, heat is discharged motor by air outlet, so as to realize cooling.The cooling water of motor water cooling plant pressurizes by water pump, enters motor water jacket, the S-shaped passage that cooling water passes through motor water jacket by water inlet(S-shaped passage adds heat dissipation channel, and radiating is more preferably evenly), the heat of motor water jacket inner surface is taken away, so as to realize cooling.Cooling water is after S-shaped water stream channel, by delivery port outflow motor, and take away the elevated cooling water of thermal temperature is reduced again by radiator temperature, water temperature is reached into temperature during water, is back in water tank, again circulating repetition said process.When a machine is not running, the retaining inside motor water jacket is discharged by discharge outlet, to prevent temperature from motor water jacket is risen brokenly when being less than zero degrees celsius.
Brief description of the drawings:
Fig. 1 is the control system schematic diagram of fracturing pump of the present invention.
Fig. 2 is the air cooling equipment structural representation of fracturing pump of the present invention.
Fig. 3 is the water cooling plant structural representation of fracturing pump of the present invention.
Fig. 4 is the water cooling plant side schematic view of fracturing pump of the present invention.
Fig. 5 is motor water jacket water flow inside schematic diagram in the water cooling plant of fracturing pump of the present invention.
Marked in figure:1- air inlets, 2- blower fans, 3- blower motors, 4- electric machine iron cores, 5- fans, 6- air outlets, 7- motor water jackets, 8- water inlets, 9- delivery ports, 10- radiators, 11- water tanks, 12- water pumps, 13- discharge outlet.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be interpreted as to the scope of above-mentioned theme of the invention and be only limitted to following embodiment, it is all that the scope of the present invention is belonged to based on the technology that present invention is realized.
Embodiment 1
One fracturing pump and its supporting equipment and control system, including 3 fracturing unit trucks, fracturing blender truck, measuring truck and its control system, the fracturing pump includes cooling device and control device, wherein, motor is connected with pressure break pump shaft, described cooling device includes the air cooling equipment of cooling motor rotor, and cools down the water cooling plant of motor stator;The control device is connected with motor and cooling device respectively.Key-course is organically connected fracturing pump, fracturing blender truck, measuring truck three using Profibus fieldbus, is constituted a stabilization, is easy to the network environment of expansion.Transmission medium uses Shielded Twisted Pair, and system uses token ring topological structure, and each equipment is connected into network using network insertion device, and message transmission rate is 1.5
Mb/s.
Sensor signal on the fracturing pump reaches the S7-300PLC of measuring truck by distributed I/O equipment, and the S7-300PLC passes through fieldbus and supervisory layers connecting communication.Supervisory layers are communicated by the S7-300PLC of field bus communication interface and key-course, fortune graphically sets, monitors technological process parameter, store production history data, and carry out real time data field assay, the extension in complex reservoir crack and the migration of proppant are simulated by fracture simulation software, Optimum Fracturing detail design, to improve pressing crack construction quality and operating efficiency.
The supervisory layers include industrial control computer, and the supervisory layers are communicated using Profibus field bus communications interface with S7-300PLC.Supervisory layers are communicated by the PLC of Profibus communication interfaces and key-course, and the software platform of system operation uses Windows
NT+WINCC configuration softwares, fortune graphically sets, monitors technological process parameter, store production history data, and carry out real time data field assay, the extension in complex reservoir crack and the migration of proppant are simulated by fracture simulation software, Optimum Fracturing detail design, to improve pressing crack construction quality and operating efficiency.
Due to can effectively realize remote control and processing data and information by remote transmission, time and the space of plant maintenance and acquisition of information are saved.
The sensor includes pressure sensor and temperature sensor.
Embodiment 2
Same as Example 1, the fracturing pump preferably on fracturing unit truck is provided with two.Cooling device is arranged between two fracturing pumps.
Embodiment 3
Same as Example 2, the cooling device on preferably described fracturing pump includes air cooling means of dynamo and motor water-cooled device.
As shown in Figure 2, the air cooling means of dynamo includes the electric machine iron core 4 in blower motor 3 and motor, and the side of blower motor 3, which is provided with blower fan 2, blower fan, is additionally provided with air inlet 1, fan 5 is additionally provided with the electric machine iron core 4, the top of fan 5 is additionally provided with air outlet 6.The operation principle of air cooling means of dynamo is:Cooling air enters blower fan 2 by air inlet 1, pass through the centrifugal force formation high pressure cooling air of blower fan 2, subsequently into motor internal, take away the heat of the generation of electric machine iron core 4, the rotation of fan 5 produces centrifugal force, makes to form low-pressure area at fan 5, accelerates the air flow of motor internal, heat is set to discharge motor by air outlet 6, so as to realize cooling.
As shown in Figure 3, Figure 4, the motor water-cooled device includes motor water jacket 7 and the water pump 12 being arranged in motor, water inlet 8 and delivery port 9 are additionally provided with the motor water jacket 7, radiator 10 is additionally provided with outside the motor, the radiator 10 is connected with water tank 11, and the water tank 11 connects water inlet 8.Discharge outlet 13 is additionally provided with the motor.The operation principle of motor water-cooled device is:The cooling water of water tank 11 pressurizes by water pump 12, enters motor water jacket 7 by water inlet 8, as shown in figure 5, S-shaped passage of the cooling water by motor water jacket 7(S-shaped passage adds heat dissipation channel, and radiating is more preferably evenly), the heat of the inner surface of motor water jacket 7 is taken away, so as to realize cooling.Cooling water is after S-shaped water stream channel, by the outflow motor of delivery port 9, and take away the elevated cooling water of thermal temperature is reduced again by the temperature of radiator 10, water temperature is reached into temperature during water, is back in water tank 11, again circulating repetition said process.When a machine is not running, the retaining of the inside of motor water jacket 7 is discharged by discharge outlet 13, to prevent temperature from motor water jacket 7 is risen brokenly when being less than zero degrees celsius.
Claims (10)
- A kind of fracturing pump, including cooling device and control device, it is characterised in that motor is connected with the axle of the fracturing pump, the cooling device includes the air cooling equipment for cooling down the motor rotor, and cools down the water cooling plant of the motor stator;The control device is connected with the motor and the cooling device respectively.
- Fracturing pump according to claim 1, it is characterised in that fracturing pump is two, and the cooling device is arranged between two fracturing pumps.
- Fracturing pump according to claim 1 or 2, it is characterised in that the control system of the motor is middle pressure numerical control variable frequency control.
- Fracturing pump according to claim 3, it is characterized in that, temperature sensor and pressure sensor are installed on the fracturing pump, the temperature sensor and the pressure sensor, the frequency converter of the motor are connected to PLC by bus cable, and PLC is connected with human machine input device.
- Fracturing pump according to claim 4, it is characterised in that the fieldbus is Profibus fieldbus.
- Fracturing pump according to claim 5, it is characterized in that, supervising device is connected with the communication interface of Profibus fieldbus, supervising device is remotely connected with the communication interface of Profibus fieldbus by Ethernet, the distributed I/O equipment communicated with the PLC of key-course reaches the programmable controller of measuring truck, and the programmable controller passes through fieldbus and supervisory layers connecting communication.
- Fracturing pump according to claim 5, it is characterised in that the human machine input device is graphic control panel.
- Fracturing pump according to claim 1 or 2, characterized in that, the air cooling equipment includes blower fan, the air outlet of the blower fan connects the motor interior, a radial fan is also equipped with the motor field frame, the radial fan outwards extracts air out by the motor interior.
- Fracturing pump according to claim 1 or 2, it is characterized in that, the water cooling plant includes water pump, the water inlet of the water pump is connected with water tank, water jacket outside the delivery port connection motor of the water pump, there is S-shaped passage, the delivery port connection radiator of the water jacket, the delivery port of the radiator connects the water tank inside the water jacket.
- Fracturing pump according to claim 9, it is characterised in that be additionally provided with discharge outlet on the water jacket.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2012/074945 WO2013163786A1 (en) | 2012-04-29 | 2012-04-29 | Fracturing pump |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104204521A true CN104204521A (en) | 2014-12-10 |
Family
ID=49514168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280072274.0A Pending CN104204521A (en) | 2012-04-29 | 2012-04-29 | Fracturing pump |
Country Status (3)
Country | Link |
---|---|
US (1) | US20150078924A1 (en) |
CN (1) | CN104204521A (en) |
WO (1) | WO2013163786A1 (en) |
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Also Published As
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WO2013163786A1 (en) | 2013-11-07 |
US20150078924A1 (en) | 2015-03-19 |
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