CN108339423A - A kind of continuous compounding process method of pulvis fracturing fluid - Google Patents

A kind of continuous compounding process method of pulvis fracturing fluid Download PDF

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Publication number
CN108339423A
CN108339423A CN201710045528.4A CN201710045528A CN108339423A CN 108339423 A CN108339423 A CN 108339423A CN 201710045528 A CN201710045528 A CN 201710045528A CN 108339423 A CN108339423 A CN 108339423A
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Prior art keywords
pulvis
fracturing fluid
injector
solution
process method
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CN201710045528.4A
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Chinese (zh)
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温康
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Individual
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Priority to CN201710045528.4A priority Critical patent/CN108339423A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50Mixing liquids with solids
    • B01F23/51Methods thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50Mixing liquids with solids
    • B01F23/53Mixing liquids with solids using driven stirrers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20Measuring; Control or regulation
    • B01F35/21Measuring
    • B01F35/211Measuring of the operational parameters
    • B01F35/2111Flow rate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/717Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71705Feed mechanisms characterised by the means for feeding the components to the mixer using belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71Feed mechanisms
    • B01F35/717Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7175Feed mechanisms characterised by the means for feeding the components to the mixer using propellers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/49Mixing drilled material or ingredients for well-drilling, earth-drilling or deep-drilling compositions with liquids to obtain slurries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

The present invention provides a kind of continuous compounding process method of pulvis fracturing fluid, including pulvis is delivered to hopper, spiral pulvis rarefactor is installed so as to blanking in hopper, pulvis total amount during weightless compensation sensor is installed at hopper feed opening with real―time precision measurment hopper, pulvis enters auger type feeder by pipeline, and auger type feeder is electrically connected feedback control system with weightlessness compensation sensor and realizes accurate feeding;The side port of injector connects auger type feeder discharge gate, the entrance and exit of injector, which is separately connected first and enters water header and second, enters water header, pulvis is inhaled into injector by the pull of vacuum that high-velocity flow generates and is mixed with clear water, and entering water header by second is further diluted to suitable concentration;Solution is delivered to mixing system and stirs evenly, and completes viscosity-adjusting agent operation;Solution is delivered to subsequent processing operation.The beneficial effects of the invention are as follows:The design greatly improves the accuracy of pulvis weighing, makes the degree of automation raising and production cost reduces.

Description

A kind of continuous compounding process method of pulvis fracturing fluid
Technical field
The present invention relates to oil field operation fracturing technique fields, more particularly, to a kind of continuous compounding process side of pulvis fracturing fluid Method.
Background technology
In recent years, with the introducing of continuous compounding method for fracturing fluid and equipment (Hydration Unit), oil has been made There is huge progress in operation fracturing technique, material waste caused by can effectively avoiding operation field batch from preparing, and Pollution level of the operation to environment can be reduced.Now, more and more fracturing works use the work of real-time continuous mixture Skill.The continuous mixture of concentration fracturing fluid and water has much been used in these operations.But because concentration fracturing fluid used diesel oil or Mineral oil is as solvent, so still can largely be caused stress to environment using these solvents.Because for environmental angle Consider, so having good foreground using the technique that dry powder doses and water carry out continuous mixture.In addition, the transport of concentration fracturing fluid is deposited Storage also has inconvenience.Cold district in winter, oily viscosity increase, it is necessary to be equipped with heating device and can be only achieved requirement.This all gives powder The continuous mixture of agent provides demand.
But how pulvis is accurately measured in the continuous Compounding Operation of pulvis while meeting big flow and require to be a challenge.Cause The requirement of accuracy cannot be met for common auger type feeder, the general flow of accurate feeder is small and cost is very high.And And once pulvis mobility changes or generates retardance, screwfeed device can not detect to enter pulvis quantity in system Variation.Therefore some use the first hybrid cell of human configuration using the continuous mixture operation of pulvis, mixed subsequently into second Close unit.However, preparation there are the degree of automation relatively low, the low production efficiency of pulvis fracturing fluid is carried out using this technique, it is raw Produce many defects such as cost is higher.
It can be seen that how to work out a kind of continuous compounding process method of pulvis fracturing fluid, can have accurate measurement powder Agent, production automation degree be high and the advantages such as production cost is low, is a problem to be solved by those skilled in the art.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of continuous compounding process methods of pulvis fracturing fluid.
A kind of continuous compounding process method of pulvis fracturing fluid of the present invention, the device involved by this method include mainly hopper, Feedback control system, weightless compensation sensor, auger type feeder, first enter water header, the first centrifugal pump, injector, second Enter water header, the second centrifugal pump, mixing system, water outflow manifold.This method mainly includes the following steps that:
First, the pulvis for being used to prepare fracturing fluid is delivered in the hopper, spiral pulvis is installed in the hopper Rarefactor makes the pulvis keep rarefaction so as to blanking, and the weightless compensation sensor is installed at the hopper feed opening With pulvis total amount in hopper described in real―time precision measurment, the pulvis enters the auger type feeder, institute by the pipeline It states auger type feeder and is electrically connected the feedback control system including feedback model and feed mode with the weightless compensation sensor, Accurate feeding is realized by the feedback control system;Then, the side port of the injector connects the auger type feeder row Material mouth, pipeline connection described first enters water header and described second and enters water header, institute respectively for the entrance and exit of the injector It states in injector described in the vacuum suck that pulvis is generated by high-velocity flow and is mixed to form solution with clear water, pass through described second Enter water header and is further diluted to suitable concentration;Then, the solution is delivered to the mixing system and stirs evenly, and completes Viscosity-adjusting agent operates;Finally, the solution is delivered in the mixed husky equipment of next step by the water outflow manifold and carries out mixed sand.
Further, the feedback model is the pulvis that the feedback control system sends out the weightless compensation sensor Total amount variable signal generated compared with Theoretical Rate feedback control signal be sent to the drive system of the auger type feeder with Adjust the accurate feeding that its rotating speed reaches pulvis;The feed mode needs to add the transient state of pulvis for the hopper, Feedback control is not necessarily under the feed mode.
Further, the auger type feeder includes drive system, the drive system include hydraulic quantitative motor and Become quantitative change pump, the feedback control signal is sent to the variable pump to change the rotating speed of the auger type feeder, Jin Ergai Become feed rate.
Further, the injector import and outlet both ends pressure difference are 79-81psi, and flow velocity is 1500 gallons per minutes, It is sucked in the pipeline by first centrifugal pump, the suction that the injector side port generates meets the feeding of the pulvis enough Rate, first centrifugal pump are driven by hydraulic system.
Further, the injector and described second enters to be equipped with flowmeter in pipeline between water header, and described Two enter and are equipped with flow detector between water header and second centrifugal pump.
Further, the solution from injector outlet centrifuges pumping by entering the second of water header close to described second Enter in the pipeline, and further mixed with the clear water of 2700 gallons per minutes, is realized defeated with 4200 gallons per minute high flow capacities It send, second centrifugal pump is driven by hydraulic system.
Further, it is stirred successively including pipeline along the inflow direction of the solution to direction, the mixing system is flowed out Mix device and buffer unit.
Further, the buffer unit is a babinet, and multiple tracks is provided in the babinet makes the solution flowing rail Mark is in the partition board for bending the shape that moves ahead repeatedly so that time of the solution of 4200 gallons of flows from end point to the other end is more than one Minute so that the solution viscosity of outlet end reaches particular requirement.
Further, it is offered on the pipeline between the pipeline blender and second centrifugal pump adjacent thereto Charge door for adding chemical addition agent.
Further, the device involved by this method further includes diesel engine unit and hydraulic system, and the diesel engine unit is moved Power is transmitted to the hydraulic system by flywheel end and provides operation power for a whole set of continuous mixing device of pulvis fracturing fluid.
A kind of continuous compounding process method of pulvis fracturing fluid of the present invention, has the following advantages compared with prior art:
First, the weightless sensor, described spiral of compensating is utilized in the continuous compounding process method of the pulvis fracturing fluid Feeder and the feedback control system realize feedback compensation charging, pulvis can be made accurately to launch, and improve pulvis weighing Accuracy.Enter water header by the injector and described first, second enter the setting between water header and can realize clear water With pulvis tentatively mixing in the injector and enter water header using described second to provide described in the further completion of clear water The configuration of the last ratio of solution.The promotion of solution uniformity is realized by the mixing system, and the viscosity of the solution is made to reach To production standard.Finally sent to mixed husky process by the water outflow manifold by the solution is defeated.On the one hand this method solves pulvis It is difficult to the problem of accurate weighing, the method that on the other hand two-step method prepares solution is physically easier to perform, and continuity of operation is very Height, last mixture are also that direct front process of accepting is continuously finished, and so just greatly improve the pulvis fracturing fluid and continuously mix The accuracy of method of completing the square improves the degree of automation, so as to shorten compounding time, improves production efficiency, reduces production Cost, and vehicle-mounted or sled block installation mounting means can be used in each device involved by this method, and installation is very flexible, Using extremely convenient.Further, since realizing water, powder mixture fracturing fluid, organic matter is not needed as solvent, is gone back in this way Have the advantages that environmentally protective.
Second, feedback control system described in the continuous compounding process method of the pulvis fracturing fluid includes two kinds of operating modes, That is feedback model and feed mode.Wherein, the feedback control system described under feedback model senses the weightless compensation The pulvis total amount variable signal that device is sent out generates feedback control signal compared with Theoretical Rate and is sent to the auger type feeder Drive system to adjust the accurate feeding that its rotating speed reaches pulvis, so as to which the accurate feeding of the pulvis is effectively ensured, Keep the pulvis injected volume in water, powder mixture fracturing fluid more accurate, to improve the accuracy of mixture fracturing fluid concentration.And it is described Feed mode needs to add the transient state of pulvis for the hopper, which can make the hopper that addition powder be replenished in time Agent keeps not interrupting continuously providing guarantor to ensure that pulvis is endlessly conveyed in entire technical process for production process Barrier.
Third, hydraulic quantitative motor described in the continuous compounding process method of the pulvis fracturing fluid and change quantitative change pump are combined work For the drive system of the auger type feeder, keep the rotating speed of the auger type feeder adjustable, and the feedback control is believed Number the variable pump is sent to change the rotating speed of the auger type feeder, and then changes the feeding of the auger type feeder Rate, the final accurate dispensing for realizing pulvis, compared with traditional compounding method, the entire control process of this method is either automatic The precision that change degree still feeds intake all highers.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure:1, hopper, 2, spiral pulvis rarefactor, 3, auger type feeder, 4, feedback control system, 5, weightless compensation Sensor, the 6, first centrifugal pump, 7, first enters water header, the 8, second centrifugal pump, and 9, injector, 10, flowmeter, 11, second enters Water header, 12, charge door, 13, pipeline blender, 14, buffer unit, 15, water outflow manifold, 16, flow measuring probe.
Specific implementation mode
In order to better understand the present invention, the present invention is further retouched with reference to specific embodiments and the drawings It states.
As shown in Figure 1, a kind of continuous compounding process method of pulvis fracturing fluid, wherein involved device includes mainly hopper 1, weightless compensation sensor 5, auger type feeder 3, first enter water header 7, the first centrifugal pump 6, injector 9, second enter water remittance Pipe 11, the second centrifugal pump 8, mixing system, water outflow manifold 15.Wherein, because technological requirement needs, so first centrifugal pump 6 With the centrifugal pump that second centrifugal pump 8 is different model.
This method mainly includes the following steps that:First, the pulvis for being used to prepare fracturing fluid is delivered in the hopper 1, Spiral pulvis rarefactor 2 is equipped in the hopper 1 makes the pulvis keep rarefaction so as to blanking, under the hopper 1 The weightless compensation sensor 5 is installed with pulvis total amount in hopper described in real―time precision measurment 1 at material mouth, the pulvis passes through institute State pipeline and enter the auger type feeder 3, the auger type feeder 3 with it is described it is weightless compensate sensor 5 be electrically connected including The feedback control system 4 of feedback model and feed mode realizes the speed of auger type feeder 3 by the feedback control system 4 Degree is adjusted, to achieve the purpose that accurate feeding.Then, the side port of the injector 9 connects 3 discharge of auger type feeder Mouthful, pipeline connection described first enters water header 7 and described second and enters water header 11 respectively for the entrance and exit of the injector 9, The pulvis is inhaled into the injector 9 by the pull of vacuum that high-velocity flow generates and is mixed to form solution with clear water, leads to It crosses described second and enters water header 11 and be further diluted to suitable concentration.Then, the solution is delivered to the mixing system and stirs It mixes uniformly, and completes viscosity-adjusting agent operation.Finally, the solution is delivered to the mixed sand of subsequent processing by water outflow manifold 15.
In the present embodiment, the weightless compensation sensor 5, the auger type feeder 3 and the feedback control are utilized System 4 realizes feedback compensation charging, pulvis can be made accurately to launch, and improves the accuracy of pulvis weighing.Pass through the injection Device 9 and described first enter water header 7, the second setting entered between water header 11 can realize clear water and pulvis in the injector In 9 it is preliminary mixing and using described second enter water header 11 provide clear water further complete matching for the last ratio of the solution It sets.The promotion of solution uniformity is realized by the mixing system later, and the viscosity of the solution is made to reach production standard.Most The solution is delivered to next mixed husky process by the water outflow manifold 15 afterwards.
On the one hand this method solves the problems, such as that pulvis is difficult to accurate weighing, on the other hand the two-step method prepares solution Method is physically easier to perform, and continuity of operation is very high, and last mixture is also that direct front process of accepting is continuously finished, so just It greatly improves the accuracy of the pulvis continuous compounding method for fracturing fluid, improve the degree of automation, when so as to shorten mixture Between, production efficiency is improved, production cost is reduced.Further, since realizing water, powder mixture fracturing fluid, organic matter is not needed As solvent, so having the advantages that environmentally protective.
The feedback model is the total quantitative change of pulvis that the feedback control system 4 sends out the weightless compensation sensor 5 Change signal generates feedback control signal compared with Theoretical Rate and is sent to the drive system of the auger type feeder 3 to adjust it Speed makes so as to which accurate delivery of the auger type feeder 3 to pulvis is effectively ensured in water, powder mixture fracturing fluid Pulvis injected volume is more accurate, to improve the accuracy of mixture fracturing fluid concentration.The feed mode is needed for the hopper 1 Add the transient state of pulvis.The pattern can make the hopper 1 that addition pulvis be replenished in time to ensure entire technical process Middle pulvis is endlessly conveyed, and guarantee is provided for the continuity of technique, is not necessarily to feedback control in such a mode.
The auger type feeder 3 includes drive system, and the drive system includes that hydraulic quantitative motor and change quantitative change pump, The feedback control signal is sent to the variable pump to change the rotating speed of the auger type feeder 3, and then changes feeding speed Rate, to realize the accurate dispensing of pulvis, the entire control process precision that either the degree of automation still feeds intake is all than tradition Method higher.
In order to make the side port generate sufficiently high suction, to meet the feed rate of the pulvis, with flow velocity for 1500 For gallons per minute, for the pressure difference at 9 import of injector and outlet both ends up to 80psi or more, this is the work to the first centrifugal pump 6 It is required.
The injector 9 and described second enter flowmeter 10 is installed in the pipeline between water header 11 primarily to The theoretical delivery for monitoring the flow and the solution of first centrifugal pump 6 matches.In order to improve mixture efficiency thus using The method of high flow capacity conveying, i.e., the solution exported from injector 9 by close to described second enter the second of water header 11 from Heart pump 8 sucks in the pipeline, and is further mixed with the clear water of 2700 gallons per minutes, realizes with 4200 gallons per minutes height Flow conveys.Certainly, low discharge is equally applicable is classified the continuous mixing device of fracturing fluid with the set.Described second enters 11 He of water header Flow measuring probe 16 for detecting 8 uninterrupted of the second centrifugal pump is installed between the mixing system.It should be noted that Structure, the function all same of flow measuring probe 16 and flowmeter 10, the different installation sites only for both differences of name.
4200 gallons of the solution is further stirred by the second centrifugal pump 8 injection mixing system.This mixture system System tries mixer using two eight inch conduits, can be directly installed in eight inch conduits.Other two eight inch pipes wire type is stirred It mixes device 13 and can guarantee that system pressure drop is less than 50psi, the requirement to the second centrifugal pump 8 is not harsh.And it is this in actual use Pipeline blender 13 can obtain good effect, i.e., viscosity uniformly, without flake, without " water packet powder " phenomenon.
For inflow direction along the solution to direction is flowed out, the mixing system is gentle including pipeline blender 13 successively Flushing device 14.It is to be sufficiently stirred the solution to generate sinuous flow using flow velocity to reach to design the pipeline blender 13 Purpose, to promote the uniformity coefficient of the solution.The design because of agitating device and the stirring power without optional equipment so Advantage with energy conservation and environmental protection and the operating cost that equipment can be reduced.And the solution is controlled using the buffer unit 14 Viscosity requirement, prepared into subsequent processing by the water outflow manifold 15 for the solution.
The buffer unit 14 is a babinet, and multiple tracks is provided in the babinet makes the solution flow trace in repeatedly The partition board of the forward shape of bending so that time of the solution of 4200 gallons of flows from end point to the other end is to make more than one minute The solution viscosity for obtaining outlet end reaches particular requirement.
In order to make the solution before entering the pipeline blender 13 convenient for the relevant chemical addition agent of addition, institute It states and is offered on the pipeline between pipeline blender 13 and second centrifugal pump 8 adjacent thereto for adding chemical addition The charge door 12 of agent.
Device involved by this method further includes diesel engine unit and hydraulic system, and the power of the diesel engine unit is by flywheel end It is transmitted to the hydraulic system and provides operation power for a whole set of continuous mixing device of pulvis fracturing fluid.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention, It should not be construed as limiting the practical range of the present invention.All changes and improvements made in accordance with the scope of the present invention, should all It still belongs within this patent covering scope.

Claims (10)

1. a kind of continuous compounding process method of pulvis fracturing fluid, it is characterised in that:Device involved by this method includes mainly material Bucket (1), feedback control system (4), weightless compensation sensor (5), auger type feeder (3), first enter water header (7), first Centrifugal pump (6), injector (9), second enter water header (11), the second centrifugal pump (8), mixing system, water outflow manifold (15), the party Method mainly includes the following steps that:
First, the pulvis for being used to prepare fracturing fluid is delivered in the hopper (1), spiral vermicelli is installed in the hopper (1) Agent rarefactor (2) makes the pulvis keep rarefaction so as to blanking, and the weightless benefit is installed at the hopper (1) feed opening Sensor (5) is repaid with pulvis total amount in hopper described in real―time precision measurment (1), the pulvis enters the spiral shell by the pipeline Rotating feeder (3), the auger type feeder (3) be electrically connected with the weightless compensation sensor (5) with feedback model and The feedback control system (4) of feed mode realizes accurate feeding by the feedback control system (4);Then, the injector (9) side port connects auger type feeder (3) discharge gate, the entrance and exit difference pipeline connection of the injector (9) Described first enters water header (7) and described second enters water header (11), and the pulvis relies on the vacuum suck that high-velocity flow generates Injector (9) side port is simultaneously mixed to form solution with clear water, and entering water header (11) by described second is further diluted to conjunction Suitable concentration;Then, the solution is delivered to the mixing system and stirs evenly, and completes viscosity-adjusting agent operation;Finally, described Solution is delivered in the mixed husky equipment of next step by the water outflow manifold (15) and carries out mixed sand.
2. the continuous compounding process method of pulvis fracturing fluid according to claim 1, it is characterised in that:The feedback model is The pulvis total amount variable signal and Theoretical Rate ratio that the feedback control system (4) sends out the weightless compensation sensor (5) The drive system of the auger type feeder (3) is sent to adjust the essence that its rotating speed reaches pulvis compared with feedback control signal is generated Really feeding;The feed mode needs to add the transient state of pulvis for the hopper (1), is not necessarily under the feed mode Feedback control.
3. the continuous compounding process method of pulvis fracturing fluid according to claim 2, it is characterised in that:The spiral charging Device (3) includes drive system, and the drive system includes hydraulic quantitative motor and becomes quantitative change pump, and the feedback control signal is sent To the variable pump to change the rotating speed of the auger type feeder (3), and then change feed rate.
4. the continuous compounding process method of pulvis fracturing fluid according to claim 1, it is characterised in that:The injector (9) Import is 79-81psi with outlet both ends pressure difference, and flow velocity is 1500 gallons per minutes, described in first centrifugal pump (6) sucking In pipeline, the suction that injector (9) side port generates meets the feed rate of the pulvis, first centrifugal pump enough (6) it is driven by hydraulic system.
5. the continuous compounding process method of pulvis fracturing fluid according to claim 1, it is characterised in that:The injector (9) And described second enter to be equipped with flowmeter (10) in pipeline between water header (11), described second enters water header (11) and described Flow detector (16) is installed between the second centrifugal pump (8).
6. the continuous compounding process method of pulvis fracturing fluid according to claim 5, it is characterised in that:From the injector (9) solution exported is sucked by second centrifugal pump (8) for entering water header (11) close to described second in the pipeline, And further mixed with the clear water of 2700 gallons per minutes, realize with 4200 gallons per minute high flow capacities convey, described second from Heart pump (8) is driven by hydraulic system.
7. the continuous compounding process method of pulvis fracturing fluid according to claim 1, it is characterised in that:Along the stream of the solution It includes pipeline blender (13) and buffer unit (14) successively to enter direction to direction, the mixing system is flowed out.
8. the continuous compounding process method of pulvis fracturing fluid according to claim 7, it is characterised in that:The buffer unit (14) it is a babinet, the partition board that multiple tracks makes the solution flow trace in the forward shape of bending repeatedly is provided in the babinet, So that time of the solution of 4200 gallons of flows from end point to the other end is more than one minute so that the solution viscosity of outlet end Reach technological requirement.
9. the continuous compounding process method of pulvis fracturing fluid according to claim 7, it is characterised in that:The pipeline stirring The charging for adding chemical addition agent is offered on pipeline between device (13) and second centrifugal pump (8) adjacent thereto Mouth (12).
10. the continuous compounding process method of pulvis fracturing fluid according to any one of claim 1-9, it is characterised in that: Further include diesel engine unit and hydraulic system, it is a whole set of pulvis that the power of the diesel engine unit is transmitted to the hydraulic system by flywheel end The continuous mixing device of fracturing fluid provides operation power.
CN201710045528.4A 2017-01-22 2017-01-22 A kind of continuous compounding process method of pulvis fracturing fluid Pending CN108339423A (en)

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Publication number Priority date Publication date Assignee Title
CN113083044A (en) * 2020-01-08 2021-07-09 中国石油天然气股份有限公司 Continuous mixing device and method for solid resistance reducing agent
CN113083044B (en) * 2020-01-08 2022-07-05 中国石油天然气股份有限公司 Continuous mixing device and method for solid resistance reducing agent

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Application publication date: 20180731