CN104007043B - A kind of large-sized multifunction fracturing liquid experimental system - Google Patents

A kind of large-sized multifunction fracturing liquid experimental system Download PDF

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Publication number
CN104007043B
CN104007043B CN201410120062.6A CN201410120062A CN104007043B CN 104007043 B CN104007043 B CN 104007043B CN 201410120062 A CN201410120062 A CN 201410120062A CN 104007043 B CN104007043 B CN 104007043B
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valve
liquid
output terminal
pipe
fracturing liquid
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CN201410120062.6A
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CN104007043A (en
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张健
张国祥
徐越
赵志国
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中国华能集团清洁能源技术研究院有限公司
中国华能集团公司
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Abstract

A kind of large-sized multifunction fracturing liquid experimental system, pass through liquid, gas branch road enters frothing machine mixing, then three tunnels entering different tube diameters are directly managed, measure caliber to the impact of fracturing liquid frictional resistance, or enter coil pipe for measuring frictional resistance, these 4 groups of pipe two ends are all connected with pressure difference sensing device, when measuring frictional resistance, these 4 groups of pipe two ends are all provided with valve, during experiment, these several groups of valve switch can be passed through, can selectively unlocking one tunnel, multistage form can observe the suspended state of propping agent in fracturing liquid, enter spray pump afterwards to carry out circulation and can measure frictional resistance, or enter discharge knockout drum at the end of experiment, the present invention is for measuring gelled fracturing fluid, riverfrac treatment liquid, carbon dioxide foaming fracturing liquid, or for carbonic acid gas dry method fracturing liquid rheological characteristics at different temperatures and pressures, friction loss characteristic, take sand performance research, the suspended state of propping agent in fracturing liquid is observed by multistage form.

Description

A kind of large-sized multifunction fracturing liquid experimental system
Technical field
The present invention relates to a kind of experimental system in natural petroleum gas field field, it is specifically related to a kind of large-sized multifunction fracturing liquid experimental system.
Background technology
Existing fracturing liquid evaluation appts equipment mainly contains rheometer, the equipment such as frictional resistance instrument. Wherein: rheometer mainly may be used for measuring the rheological characteristics of gelled fracturing fluid, mainly adopts import equipment, utilizes rotor to shear the gelled fracturing fluid in vessel, measures. Frictional resistance instrument may be used for measuring gelled fracturing fluid, and the friction loss characteristic of riverfrac treatment liquid. The instrument that can simultaneously measure fracturing liquid rheological and friction loss characteristic does not have substantially.
In recent years, a kind of new fracturing technique carbonic acid gas dry method fracturing technique gradually heat get up, more and more people start he to be studied. But, the equipment measuring dry method these characteristics of fracturing liquid does not have substantially.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of large-sized multifunction fracturing liquid experimental system, be possible not only to for measurement row in the industry the most frequently used arrive gelled fracturing fluid, riverfrac treatment liquid, carbon dioxide foaming fracturing liquid, but also may be used for carbonic acid gas dry method fracturing liquid rheological characteristics, friction loss characteristic at different temperatures and pressures, take sand performance research, it is also possible to observe the suspended state of propping agent in fracturing liquid by multistage form.
In order to achieve the above object, the technical scheme that the present invention takes is:
A kind of large-sized multifunction fracturing liquid experimental system, comprises Solid propeller 1, is the structure of funnel above it, and Solid propeller 1 is engaged in the inlet ductwork of medicine tank 5 by propping agent measuring apparatus 2, and seals with it; The top of medicine tank 5 is connected by strainer 4 and medicinal liquid agitating device 3, medicine tank 5 is used for holding the liquid prepared, it is with giving liquid heating function, sidewall at it is provided with temperature measurement device 6, the bottom of medicine tank 5 is provided with liquid medicine measuring device 7, the output tube of medicine tank 5 is connected by the liquid entrance of the first valve 8, spray pump 9, first check valve 10, the 2nd valve 11, first preheater 12 and frothing machine 13 successively, and pore forming material tank 14 is connected with frothing machine 13 by foaming pump 15, the 2nd check valve 16;
First gas cylinder 17, the 2nd gas cylinder 18 are connected by the entrance of the 3rd valve 19, the 4th valve 20 and cleaner 21 respectively, and the outlet of cleaner 21 is connected by the gas inlet of under meter 22, refrigeration plant 23, the 5th valve 25, the 6th valve 26, air pump 29, the 3rd check valve 32, the 2nd preheater 34 and frothing machine 13 successively; Wherein, gas reservoir 24 is in the inside of ice chest 23; In addition viscosifying agent tank 30 is separately had to be connected by viscosifying agent pump 31 and the 3rd check valve 32; 5th valve 25 is connected in the inlet pipe of the gas reservoir 24 of refrigeration plant 23 inside, the escape pipe of gas reservoir 24 is provided with the first pressure warning unit 28, between air pump 29, the 3rd check valve 32, it is provided with safety valve 33, between the 2nd preheater 34 and frothing machine 13, it is provided with the 2nd pressure warning unit 35;
Different the first straight pipe 37 of three groups of diameters, the 2nd straight pipe 41, the 3rd straight pipe 45 and coil pipe 49 are in parallel, input terminus and the outlet of frothing machine 13 after in parallel connect, output terminal is connected by the entrance of the 16 valve 53 and multistage form 56, output terminal after in parallel is also connected with the entrance of vertical heat exchange test lead 58 by the 17 valve 54, multistage form 56 is connected with vertical heat exchange test lead 58 by the 18 valve 57, connects low temperature bath 59 outside vertical heat exchange test lead 58; It is connected with pressure transmitter 60 between vertical heat exchange test lead the 58 and the 19 valve 61;
Wherein:
First straight pipe 37 inputs, be connected with the first differential pressure pick-up 38 between output terminal, and input terminus is also connected with the 8th valve 36, and output terminal is also connected with the 9th valve 39;
2nd straight pipe 41 inputs, be connected with the 2nd differential pressure pick-up 42 between output terminal, and input terminus is also connected with the tenth valve 40, and output terminal is also connected with the 11 valve 43;
3rd straight pipe 45 inputs, be connected with the 3rd differential pressure pick-up 46 between output terminal, and input terminus is also connected with the 12 valve 44, and output terminal is also connected with the 13 valve 47;
Coil pipe 49 input terminus is also connected with the 14 valve 48, and output terminal is also connected with the 15 valve 50, is connected with the 4th differential pressure pick-up 51 between the 14 valve 48 input terminus and coil pipe 44 output terminal;
Between input terminus after frothing machine 13 output terminal and directly pipe parallel connection, junction is connected with the first pressure transmitter 52.
Described propping agent measuring apparatus 2 adopts the instrument of ground pump or other big balance, band communication interface, it is achieved with computer networking.
5 times ends filled with by described medicine can also design emptying valve, facilitates emptying and cleans, the temperature as required with addition of thermal, in control pharmaceutical tank.
Described temperature measurement device 6 adopts temperature sensor, imports data into computer.
Described liquid medicine measuring device 7 adopts the instrument of ground pump or other big balance, band communication interface, it is achieved with computer networking.
Described spray pump 9 adopts spiral pump, band variable frequency adjustment system, can the flow of electrodeless adjustment pump, carry the liquid with propping agent, but spiral pump is difficult to realize high pressure, in order to realize high pressure, it is proposed that generally adopt ram pump.
Described the first preheater 12, the 2nd preheater 34 adopt spiral pipe formula heat exchange mode, and adopt water bath with thermostatic control heating temperature control.
Described air pump 29 adopts frequency modulation pump, and maximum working pressure (MWP) is as far as possible high, best more than 50MPa, such that it is able to condition of formation pressure during simulation pressing crack construction.
Described discharge knockout drum 64 adopts closed container.
The advantage of the present invention:
(1) liquid is designed with in good time measuring apparatus, by the injection rate of liquid medicine measuring device on-line checkingi liquid.
(2) this apparatus design has and adds sand measuring apparatus, can on-line checkingi add sand amount number, control sand ratio, it is also possible to experimentally need to select whether add propping agent.
(3) medicine tank 5 is designed with stirring system, can various liquid and propping agent be stirred, in case its sedimentation.
(4) this apparatus design has gas inject measuring apparatus, it is possible to selects injecting gas kind and quantity as required, measures gas inject amount by metal tube rotor measuring apparatus, and can realize on-line metering.
(5) Solid propeller, can control sand fltting speed, controls to add the number of sand amount.
(6) the multiple caliber of this apparatus design is directly managed and a set of spiral pipe, fracturing liquid can be carried out at different pipeline diameter, pipeline shape, pipe stream frictional resistance experiments of measuring under differing temps, pressure, shearing rate, can be as required, by the valve switch that the first straight pipe 37, the 2nd straight pipe 41, the 3rd straight pipe 45, coil pipe 49 two ends are nearest, a certain bar in these 4 pipelines of flexible choice for use.
(7) this apparatus design has multistage form 56, and that can observe and measure propping agent online takes sand situation of movement, and the settling velocity of sand in tubing string (be designed with in tubing string highly interval measure) under a static pressure.
(9) this apparatus design with heating unit medicine tank 5, have the first preheater 12, the 2nd preheater 34, vertical heat exchange testing tube, be convenient to change the temperature of fracturing liquid in pipe, study its characteristic at different temperatures.
(10) this device goes for measuring the multiple fracturing liquid systems such as conventional gelled fracturing fluid, riverfrac treatment liquid, carbon dioxide foaming fracturing liquid, carbonic acid gas dry method fracturing liquid rheological characteristics, friction loss characteristic at different temperatures and pressures, takes sand performance research, it is also possible to by the suspended state of multistage form observation propping agent in fracturing liquid. Wherein: when measuring the relevant characteristic of conventional gelled fracturing fluid, riverfrac treatment liquid, it is possible to gas pump is entered part branch road and closes; Measurement carbon dioxide foaming fracturing liquid, the relevant characteristic of carbonic acid gas dry method fracturing liquid just need to open.
(11) if only measuring the relevant friction loss characteristic of various fracturing liquid, it is possible to do not add propping agent, it is possible to the 16 valve the 53, the 18 valve 57 cuts out; When only needing observation fracturing liquid to hang Saudi Arabia's property, just the 16 valve the 53, the 18 valve 57 at multistage form 56 place is opened.
Accompanying drawing explanation
Accompanying drawing is the structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
With reference to accompanying drawing, a kind of large-sized multifunction fracturing liquid experimental system, comprise Solid propeller 1, Solid propeller 1 is above for the structure of funnel can hold propping agent, Solid propeller 1 is for the propelling of propping agent, Solid propeller 1 is engaged in the inlet ductwork of medicine tank 5 by propping agent measuring apparatus 2, and seals with it, and propping agent fltting speed is measured by propping agent measuring apparatus 2 and regulated and gather; Propping agent measuring apparatus 2 adopts the instrument of ground pump or other similar big balance, band communication interface, it is achieved with computer networking; The top of medicine tank 5 is connected by strainer 4 and medicinal liquid agitating device 3, and the propping agent that medicinal liquid agitating device 3 can stir in medicine company prevents precipitation, the impurity that strainer 4 can be big in filtering liquid medicine; Medicine tank 5 is used for holding the liquid prepared, and 5 times end is also designed with emptying valve, facilitates emptying and cleans, it is possible to as required with addition of thermal, the temperature in control pharmaceutical tank;The sidewall of medicine tank 5 is provided with temperature measurement device 6, it is possible to the fluid temperature in metering medicine tank 5, adopts temperature sensor, can import data into computer; The bottom of medicine tank 5 is provided with liquid medicine measuring device 7, and liquid medicine measuring device 7 adopts the instrument of ground pump or its big balance, band communication interface, it may be achieved with computer networking; The output tube of medicine tank 5 is connected by the liquid entrance of the first valve 8, spray pump 9, first check valve 10, the 2nd valve 11, first preheater 12 and frothing machine 13 successively, spray pump 9 can adopt spiral pump, band variable frequency adjustment system, can the flow of electrodeless adjustment pump, it is possible to carry the liquid with propping agent, the first preheater 12, for the preflood preheating of liquid, control temperature, adopts spiral pipe formula heat exchange mode, and adopts constant temperature oil bath heating temperature control; Also other feasible mode can be adopted as required; Frothing machine 13, its effect: test CO2During foamed fracturing fluid, for the formation of foam, and control foam and inject with constant flow all the time. In addition viscosifying agent tank 30 is separately had to be connected by the gas inlet of viscosifying agent pump 31, the 3rd check valve 32, the 2nd preheater 34 and frothing machine 13.
2nd gas cylinder 17, first gas cylinder 18 is connected by the entrance of the 3rd valve 19, the 4th valve 20 and cleaner 21 respectively, the outlet of cleaner 21 is connected by the gas inlet of under meter 22, refrigeration plant 23, air pump 29, the 3rd check valve 32, the 2nd preheater 34 and frothing machine 13 successively, wherein, gas reservoir 24 is in the inside of ice chest 23; In addition viscosifying agent tank 30 is separately had to be connected by viscosifying agent pump 31 and the 3rd check valve 32; 5th valve 25 is connected in the inlet pipe of the gas reservoir 24 of refrigeration plant 23 inside, the escape pipe of gas reservoir 24 is provided with the first pressure warning unit 28, between air pump 29, the 3rd check valve 32, it is provided with safety valve 33, between the 2nd preheater 34 and frothing machine 13, it is provided with the 2nd pressure warning unit 35.
First gas cylinder 17, the 2nd gas cylinder 18 preset in advance interface, it is possible to as required, change and connect steel cylinder quantity and gaseous species, and generally using more is carbonic acid gas (sometimes may use nitrogen); Owing to the gas in existing market containing oily substance etc., it is necessary to through the filtration of cleaner 21, remove impurity; Under meter 21, selects as required, adopts metal pipe float flow meter, it is possible to selects band secondary instrument, can show instantaneous delivery, can show again cumulative throughflow, be mainly used in metered flow size; Refrigeration plant 23 effect be change gas cylinder gas out (as long as CO2) temperature, thus make it turn into liquid state from gaseous state, form primarily of sealed refrigeration compressor, the ice chest that spiral coil is housed, temperature regulator and pipe valve etc., ice chest is equipped with refrigeration temperature automatic control system, refrigeration can be set as required temperature required, ice chest is divided into interior courage, thermal insulation layer, coil pipe and stainless steel ornament layer, Yi Kaiyi is adopted to tear structure open, it is convenient to disassembly, cleaning, gas reservoir 24 stores and shock absorption, in the inside of refrigeration plant 20, thus keep lesser temps, make gas (mainly refer to CO2) remain on liquid state, meet experiment needs; Air pump 29 adopts frequency modulation pump, and parameter is optional, and maximum working pressure (MWP) can be tried one's best height, and best more than 50MPa, is mainly used in fluid CO2Transmission, the parameter of pump 29 can also be revised as required.
Different the first straight pipe 37 of three groups of diameters, the 2nd straight pipe 41, the 3rd straight pipe 45 and coil pipe 49 are in parallel, input terminus and the outlet of frothing machine 13 after in parallel connect, output terminal is connected by the entrance of the 16 valve 53 and multistage form 56, output terminal after in parallel is also connected with the entrance of vertical heat exchange test lead 58 by the 17 valve 54, multistage form 56 is connected with vertical heat exchange test lead 58 by the 18 valve 57, connects low temperature bath 59 outside vertical heat exchange test lead 58;It is connected with pressure transmitter 60 between vertical heat exchange test lead the 58 and the 19 valve 61;
Wherein:
First straight pipe 37 inputs, be connected with the first differential pressure pick-up 38 between output terminal, and input terminus is also connected with the 8th valve 36, and output terminal is also connected with the 9th valve 39;
2nd straight pipe 41 inputs, be connected with the 2nd differential pressure pick-up 42 between output terminal, and input terminus is also connected with the tenth valve 40, and output terminal is also connected with the 11 valve 43;
3rd straight pipe 45 inputs, be connected with the 3rd differential pressure pick-up 46 between output terminal, and input terminus is also connected with the 12 valve 44, and output terminal is also connected with the 13 valve 47;
Coil pipe 49 input terminus is also connected with the 14 valve 48, and output terminal is also connected with the 15 valve 50, is connected with the 4th differential pressure pick-up 51 between the 14 valve 48 input terminus and coil pipe 44 output terminal;
Between input terminus after frothing machine 13 output terminal and directly pipe parallel connection, junction is connected with the first pressure transmitter 52.
As required, and of the fracturing fluid kind can be measured with upper part, select unlatching to have closing valve, and pump, regulate the gas by frothing machine 13, fracturing liquid, propping agent viscosifying agent, the kind of pore forming material and amount number.
With the straight pipe 58 of vertical heat exchange test lead, for measuring straight tube inlet, temperature out value, compare out temperature change, measure the temperature variation that refrigerant fluid enters the entrance and exit of cooling jacket simultaneously, drawing of the fracturing fluid rheological characteristics by certain formula manipulation, quantity 4 is overlapped, low temperature bath 59 is mainly used in being freezed by the fluid in straight pipe, hot-fluid is changed to cold fluid, when multistage form 56 takes sand for fracturing liquid, observation is in differing temps, pressure, sand ratio, pipe stream experiment under grain diameter, can realize dynamic flow process takes the of the fracturing fluid critical dropping velocity of sand, critical deposition speed and propping agent are in the judgement of the fluidised form of Guan Liuzhong, by designing form at vertical tubing string certain position, Photoelectric Detection carries out measuring between location registration zone, propping agent is introduced tracer agent simultaneously measure, propping agent is made to move position clear, it is convenient for measuring, image pickup system can be installed additional on multistage form 56 side, such as: adopt Digital Video to gather image, discharge knockout drum 64 adopts closed container, and the separation of material in pipeline at the end of being mainly used in testing, usual gas is on top, and liquid, solid are in bottom.
In addition, this equipment also has data acquisition process function, realize computer operation: data collecting system comprises pressure, temperature, flow, quality (weighbridge), image, displacement etc., in order to ensure the reliability of measuring accuracy and control, adopt import MOX, C168H digital collection control card, thus realize digital collection transmission.
The data of computer acquisition are treated generates raw data form, analyzes form and graphic representation, generates database file layout so that user flexibility uses simultaneously.
The principle of work of the present invention is:
Propping agent is joined medicine tank 5 by Solid propeller 1, and propping agent measuring apparatus 2 can weigh the number adding propping agent, and medicinal liquid agitating device 3 prevents propping agent from precipitating, in addition, it is also furnished with heating unit, it is possible to control temperature, and spray pump 9 adopts the together filling line flow measurement of related propping agent.
First gas cylinder 17, the 2nd gas cylinder 18 control by the 3rd valve 19, the 4th valve 20, quantity can flexible access, gaseous species can be selected to add as required, is generally CO2(sometimes may use N2) gas flows through cleaner 21 successively, under meter 22, refrigeration plant 23, enter gas reservoir 24, through air pump 29, gas is squeezed into frothing machine 13 and liquid is mixed into pipeline through the 3rd check valve 32 afterwards, enter the straight pipe 37 of straight pipe first of different tube diameters afterwards, 2nd straight pipe 41, 3rd straight pipe 45, measure caliber to the impact of fracturing liquid frictional resistance, or enter coil pipe 49 for measuring frictional resistance, these 4 groups of pipe two ends are all connected with pressure difference sensing device, when measuring frictional resistance, for measuring straight pipe or coil pipe two ends magnitude of pressure differential, these 4 groups of pipe two ends are all provided with valve, during experiment, these several groups of valve switch can be passed through, can selectively unlocking one tunnel, vertical heat exchange test lead 58 and low temperature bath 59 play the effect regulating pipeline fluid temperature, multistage form 56 can observe the suspended state of propping agent in fracturing liquid, enter spray pump 9 afterwards to carry out circulation and can measure frictional resistance, or enter discharge knockout drum 64 at the end of experiment.
Measure that various fracturing liquid rheological characteristics at different temperatures mainly is undertaken by the principle of capillary viscometer measuring, friction loss characteristic is mainly by selecting to be measured by several groups of different pipeline pressure reduction, take sand performance research and can also observe the suspended state of propping agent in fracturing liquid by the observation of multistage form.

Claims (7)

1. a large-sized multifunction fracturing liquid experimental system, comprise Solid propeller (1), it is characterized in that: be the structure of funnel above it, Solid propeller (1) is engaged in the inlet ductwork of medicine tank (5) by propping agent measuring apparatus (2), and seals with it, the top of medicine tank (5) is connected by strainer (4) and medicinal liquid agitating device (3), medicine tank (5) is used for holding the liquid prepared, it is with giving liquid heating function, sidewall at it is provided with temperature measurement device (6), the bottom of medicine tank (5) is provided with liquid medicine measuring device (7), the output tube of medicine tank (5) is successively by the first valve (8), spray pump (9), first check valve (10), 2nd valve 11, the liquid entrance of the first preheater (12) and frothing machine (13) connects, pore forming material tank (14) is by foaming pump (15), 2nd check valve (16) is connected with frothing machine (13),
First gas cylinder (17), the 2nd gas cylinder (18) are connected by the entrance of the 3rd valve (19), the 4th valve (20) and cleaner (21) respectively, and the outlet of cleaner (21) is connected by the gas inlet of under meter (22), refrigeration plant (23), the 5th valve (25), the 6th valve (26), air pump (29), the 3rd check valve (32), the 2nd preheater (34) and frothing machine (13) successively; Wherein, gas reservoir (24) is in the inside of ice chest (23); In addition viscosifying agent tank (30) is separately had to be connected by viscosifying agent pump (31) and the 3rd check valve (32); 5th valve (25) is connected in the inlet pipe of the inner gas reservoir (24) of refrigeration plant (23), the escape pipe of gas reservoir (24) is provided with the first pressure warning unit (28), between air pump (29), the 3rd check valve (32), it is provided with safety valve (33), between the 2nd preheater (34) and frothing machine (13), it is provided with the 2nd pressure warning unit (35);
What three groups of diameters were different first directly manages (37), 2nd directly manages (41), 3rd directly manages (45) and coil pipe (49) parallel connection, input terminus and the outlet of frothing machine (13) after in parallel connect, output terminal is connected by the entrance of the 16 valve (53) and multistage form (56), output terminal after in parallel is also connected with the entrance of vertical heat exchange test lead (58) by the 17 valve (54), multistage form (56) is connected with vertical heat exchange test lead (58) by the 18 valve (57), low temperature bath (59) is connected outside vertical heat exchange test lead (58), it is connected with pressure transmitter (60) between vertical heat exchange test lead (58) and the 19 valve (61),
Wherein:
Being connected with the first differential pressure pick-up (38) between first directly pipe (37) input, output terminal, input terminus is also connected with the 8th valve (36), and output terminal is also connected with the 9th valve (39);
Being connected with the 2nd differential pressure pick-up (42) between 2nd directly pipe (41) input, output terminal, input terminus is also connected with the tenth valve (40), and output terminal is also connected with the 11 valve (43);
Being connected with the 3rd differential pressure pick-up (46) between 3rd directly pipe (45) input, output terminal, input terminus is also connected with the 12 valve (44), and output terminal is also connected with the 13 valve (47);
Coil pipe (49) input terminus is also connected with the 14 valve (48), output terminal is also connected with the 15 valve (50), is connected with the 4th differential pressure pick-up (51) between the 14 valve (48) input terminus and coil pipe (44) output terminal;
Between input terminus after frothing machine (13) output terminal and directly pipe parallel connection, junction is connected with the first pressure transmitter (52);
Described propping agent measuring apparatus (2) adopts weighbridge, band communication interface, it is achieved with computer networking;
(5) lower end design emptying valve filled with by described medicine, facilitates emptying and cleans, the temperature with addition of thermal, in control pharmaceutical tank.
2. a kind of large-sized multifunction fracturing liquid experimental system according to claim 1, it is characterised in that: described temperature measurement device (6) adopts temperature sensor, imports data into computer.
3. a kind of large-sized multifunction fracturing liquid experimental system according to claim 1, it is characterised in that: described liquid medicine measuring device (7) adopts weighbridge, band communication interface, it is achieved with computer networking.
4. a kind of large-sized multifunction fracturing liquid experimental system according to claim 1, it is characterised in that: described spray pump (9) adopts ram pump.
5. a kind of large-sized multifunction fracturing liquid experimental system according to claim 1, it is characterized in that: described the first preheater (12), the 2nd preheater (34) adopt spiral pipe formula heat exchange mode, and adopt water bath with thermostatic control heating temperature control.
6. a kind of large-sized multifunction fracturing liquid experimental system according to claim 1, it is characterized in that: described air pump (29) adopts frequency modulation pump, the maximum working pressure (MWP) of frequency modulation pump is at more than 50MPa, thus condition of formation pressure when simulating pressing crack construction.
7. a kind of large-sized multifunction fracturing liquid experimental system according to claim 1, it is characterised in that: described discharge knockout drum (64) adopts closed container.
CN201410120062.6A 2014-03-27 2014-03-27 A kind of large-sized multifunction fracturing liquid experimental system CN104007043B (en)

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