CN115478825A - Large-scale crack simulation experiment device - Google Patents
Large-scale crack simulation experiment device Download PDFInfo
- Publication number
- CN115478825A CN115478825A CN202110601444.0A CN202110601444A CN115478825A CN 115478825 A CN115478825 A CN 115478825A CN 202110601444 A CN202110601444 A CN 202110601444A CN 115478825 A CN115478825 A CN 115478825A
- Authority
- CN
- China
- Prior art keywords
- frame
- communicated
- liquid
- liquid inlet
- pair
- 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.)
- Granted
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 158
- 238000002347 injection Methods 0.000 claims abstract description 78
- 239000007924 injection Substances 0.000 claims abstract description 78
- 238000003756 stirring Methods 0.000 claims abstract description 26
- 238000011084 recovery Methods 0.000 claims description 66
- 238000012360 testing method Methods 0.000 claims description 59
- 239000011521 glass Substances 0.000 claims description 53
- 238000005507 spraying Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 241000244177 Strongyloides stercoralis Species 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 20
- 239000012530 fluid Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 239000004576 sand Substances 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 8
- 229920002907 Guar gum Polymers 0.000 description 7
- 239000000665 guar gum Substances 0.000 description 7
- 229960002154 guar gum Drugs 0.000 description 7
- 235000010417 guar gum Nutrition 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 244000303965 Cyamopsis psoralioides Species 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- E21B47/00—Survey of boreholes or wells
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the field of underground fracturing simulation, in particular to a large-scale fracture simulation experiment device, which comprises: a stirring tank; the liquid inlet end of the high-pressure module is communicated with the liquid outlet end of the pump, and a gap for liquid to flow is formed in the high-pressure module; the liquid inlet end of the low-pressure module is communicated with the liquid outlet end of the pump, and a gap for liquid to flow is formed in the low-pressure module. The invention adopts the rotatable injection pipe, and the injection holes with different numbers are axially arranged on the injection pipe, so that blastholes on a shaft can be simulated, and further, the effect generated when fracturing fluid and propping agent are simulated under different blasthole numbers is realized. Due to the fact that the movable enclosing frame II, the movable enclosing frame III and the movable enclosing frame IV are adopted, the settlement and laying conditions of the propping agent under the conditions of different-width cracks can be simulated by adjusting the distances between the enclosing frame I and the enclosing frame II, and between the enclosing frame III and the enclosing frame IV.
Description
Technical Field
The invention relates to the field of underground fracturing simulation, in particular to a large-scale crack simulation experiment device.
Background
Along with the research of the fracturing process, fracturing fluid, propping agent and process technology with various properties are developed endlessly, the fracturing is carried out in the stratum, so that the fracturing cannot be directly observed, the indoor actual research of the fracturing is more and more emphasized by people, and particularly, a large-scale physical model is more close to the field condition and is pursued by a powerful company. Research on liquid sand carrying performance, a propping agent and a process method mainly focuses on evaluation by adopting a static sand setting experiment, and the visual flat plate fracture simulation at home and abroad can directly observe the sedimentation speed of particles, the migration speed of the propping agent, the laying of the propping agent in a fracture and the sand bank shape formed by sedimentation of the propping agent in the fracture when horizontal movement is carried out in the formation fracture, so that the dynamic sand carrying performance of the liquid can be directly observed.
But the pertinence is strong, the function is single, and the phenomena of fracturing fluid and propping agent under the change state of underground fractures can not be simulated, so that a new visual flat plate fracture simulation device framework needs to be formed, an experimental basis can be provided for design optimization of fracturing, the fracturing efficiency is effectively improved, and technical support is provided for fracturing deepening research.
Disclosure of Invention
The application provides a large-scale crack simulation experiment device has solved the phenomenon of fracturing fluid and proppant under the unable simulation underground fracture change state, has realized that visual simulation underground fracturing flows.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a large-scale crack simulation experiment device comprises:
a stirring tank;
the liquid inlet end of the pump is communicated with the liquid outlet end of the stirring tank;
the liquid inlet end of the high-pressure module is communicated with the liquid outlet end of the pump, and a gap for liquid to flow is formed in the high-pressure module;
the liquid inlet end of the low-pressure module is communicated with the liquid outlet end of the pump, and a gap for liquid to flow is formed in the low-pressure module;
the liquid inlet end of the recovery settling tank is respectively communicated with the liquid outlet ends of the high-pressure module and the low-pressure module;
the liquid inlet end of the first spraying part is communicated with the liquid outlet end of the pump, and the liquid outlet end of the first spraying part is communicated with the liquid inlet end of the high-pressure module;
the liquid inlet end of the first recovery cylinder is communicated with the liquid outlet end of the high-pressure module, and the liquid outlet end of the first recovery cylinder is communicated with the liquid inlet end of the recovery settling tank;
the liquid inlet end of the second spraying part is communicated with the liquid outlet end of the pump, and the liquid outlet end of the second spraying part is communicated with the liquid inlet end of the low-pressure module;
a liquid inlet end of the second recovery cylinder is communicated with a liquid outlet end of the low-pressure module, and a liquid outlet end of the second recovery cylinder is communicated with a liquid inlet end of the recovery settling tank;
the first injection part and the second injection part have the same structure, and the first recovery cylinder and the second recovery cylinder have the same structure.
Further, the feed liquor end of agitator tank and pump machine is connected between has valve one, the play liquid end intercommunication of pump machine has flowmeter one, flowmeter one respectively with high pressure module and low pressure module intercommunication.
Furthermore, the top end of the recovery settling tank is detachably connected with a water pump, the liquid inlet end of the water pump is communicated with the interior of the recovery settling tank, and the liquid outlet end of the water pump is communicated with the stirring tank.
Further, one of injection portion includes shell, pit shaft, injection pipe, hand wheel, lower end cover, shell tubular structure, and shell one side is open opening, the pit shaft is fixed in the shell, and the outer wall axial of pit shaft is opened there is the gap, and the gap is located the open one side of shell, the injection pipe runs through the shell, and injection pipe periphery and the sealed swivelling joint of shell both ends internal face, and the injection pipe runs through the pit shaft to with pit shaft clearance fit, the lower end cover can be dismantled with the bottom of shell and be connected, and the injection pipe bottom is located the lower end cover, it has the feed liquor end to open on the lower end cover, the feed liquor end and the pump machine intercommunication of lower end cover, the injection pipe top is sealed, and the injection pipe top can be dismantled the connection hand wheel, the radial equidistance of injection pipe periphery is opened has a plurality of injection group, every the injection group comprises the injection hole that distributes along injection pipe axial equidistance, and every injection group's injection hole quantity is different.
Further, the high-pressure module comprises a first high-pressure part and a second high-pressure part, two ends of the first high-pressure part and two ends of the second high-pressure part are respectively communicated with the first injection part and the first recovery cylinder, the length of a gap for liquid to flow in the second high-pressure part is larger than that of the gap for liquid to flow in the first high-pressure part, and the first high-pressure part and the second high-pressure part are identical in structure.
Further, high pressure portion one includes at least one test portion one, test portion one includes support, water collector, a pair of slide rail, a pair of slide, encloses frame one, encloses frame two, a pair of base and a pair of glass one, the support encloses the frame for the rectangle, the water collector can be dismantled and connect the upper end in the support, the connection slide rail can be dismantled respectively at support upper surface both ends, sliding connection slide on the slide rail, enclose frame one and can dismantle the rear end of connecting at the support upper surface through the base, and enclose frame one and support upper surface vertical, enclose frame two and pass through the base and can dismantle with a pair of slide and be connected, and enclose frame two and support upper surface vertical, enclose frame one and enclose frame two face to face contact, and enclose frame one and enclose frame two and can dismantle the connection glass one in frame two, and a pair of have the clearance between the glass one, enclose frame one both sides and open respectively have the feed liquor end and go out the liquid end, and enclose the feed liquor end and go out the liquid end and be located between a pair of glass one, the shell and one side of injection portion one enclose one the frame one and enclose the sealed connection of connecting the feed liquor end and the recovery barrel of connecting of the frame, the feed liquor end and the sealed recovery of retrieving the feed liquor end that enclose the frame one.
Further, the high-voltage part II at least comprises a testing part II, the structure of the testing part II is the same as that of the testing part I, and a pair of glasses I are respectively arranged in the surrounding frame I and the surrounding frame II of the testing part II in parallel;
furthermore, the rear end center of the upper surface of the support is detachably connected with a hydraulic cylinder, the front end center of the upper surface of the support is detachably connected with a hydraulic buffer, the driving end of the hydraulic cylinder is detachably connected with the centers of the two bottoms of the enclosing frame, and the four corners of the lower surface of the support are respectively detachably connected with adjustable support legs.
The low-voltage module comprises a driving part and a third testing part, the third testing part at least comprises a pair of testing units, the testing units are detachably connected, each testing unit is communicated with the other testing unit, the driving end of the driving part is used for controlling the movement of the testing units, the driving part comprises a base, a motor, a transmission shaft, a plurality of power distribution boxes, a plurality of lead screws, a positive thread worm block, a negative thread worm block, a plurality of groups of slideways and a plurality of pairs of slideways, each group of slideways is detachably connected to the base, each group of slideways is slidably connected with one pair of slideways, each pair of slideways is detachably connected with the testing units, the motor and the plurality of power distribution boxes are detachably connected to the base, one power distribution box is arranged between one end of each slideway and connected with the transmission shaft in the longitudinal direction, the power distribution boxes at one end are connected with the driving end of the motor through the transmission shaft, the transverse transmission interfaces of the power distribution boxes are detachably connected with the lead screws, each lead screw is in threaded connection with the positive thread worm block and the negative thread worm block, each slideway is connected with the lower surface of the slide.
Further, the test unit is including enclosing frame three, enclosing frame four and a pair of glass two, enclose frame three and enclose frame four and can dismantle the connection a pair of perpendicularly respectively on the balladeur train, enclose frame three and enclose frame four in sealed connection glass two of dismantling respectively, enclose frame three and enclose frame four relative face-to-face contact, and enclose frame three and enclose frame four and can dismantle the connection, and have the clearance between a pair of glass two, enclose frame three and enclose frame four both sides opposite face and all open the feed liquor groove, the liquid groove of crossing of enclosing frame three and enclosing frame four both sides forms feed liquor end and play liquid end when enclosing frame three and enclosing frame four connections, the shell of injection portion two can dismantle with enclosing frame three respectively and enclosing frame four one side is sealed and be connected, the gap of the pit shaft of injection portion two and the feed liquor end intercommunication that encloses frame three and enclose frame four constitution, recovery section two can dismantle with enclosing frame three respectively and enclosing frame four opposite side is sealed and can dismantle the connection, recovery section two with the end intercommunication that encloses frame three and enclose frame four constitutions.
The invention has the beneficial effects that: due to the fact that the rotatable injection pipe is adopted, and the injection holes in different numbers are axially formed in the injection pipe, blast holes in a shaft can be simulated, and the effect of simulating fracturing fluid and propping agent under different blast hole numbers is achieved.
Due to the fact that the movable enclosing frame II, the movable enclosing frame III and the movable enclosing frame IV are adopted, the settlement and laying conditions of the propping agent under the conditions of different-width cracks can be simulated by adjusting the distances between the enclosing frame I and the enclosing frame II, and between the enclosing frame III and the enclosing frame IV.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a side view of the low voltage module of the present invention.
Fig. 3 is a schematic structural view of a first injection part and a second injection part of the present invention.
Fig. 4 is a schematic structural diagram of a third enclosure of the present invention.
Fig. 5 is a schematic structural view of the high-pressure part II of the invention.
Fig. 6 is a schematic view of the high pressure part of the present invention.
Fig. 7 is a front view of the first high pressure section of the present invention.
Fig. 8 is a side view of the first high pressure section of the present invention.
In the figure: 1-a stirring tank; 2-a pump machine; 3-recovery settling tank; 4, recycling the cylinder I; 5, a second recovery cylinder; 6-valve one; 7-a first flowmeter; 8-a water pump; 9-a housing; 10-a wellbore; 11-a jet pipe; 12-a hand wheel; 13-lower end cap; 14-a scaffold; 15-a water pan; 16-a slide rail; 17-a slide; 18-surrounding frame one; 19-enclosing a second frame; 20-a base; 21-glass one; 22-hydraulic cylinder; 23-a hydraulic buffer; 24-adjustable feet; 25-a base; 26-a motor; 27-a drive shaft; 28-a power distribution box; 29-lead screw; 30-a positive thread worm block; 31-reverse thread worm block; 32-a slide; 33-a carriage; 34-surrounding frame III; 35-surrounding frame four; 36-glass two; a 37-tee; 38-bayonet lock; 39-strut.
Detailed Description
Example 1:
referring to fig. 1, which is a schematic structural diagram of embodiment 1 of the present invention, a large-scale crack simulation experiment apparatus includes:
a stirring tank 1;
the liquid inlet end of the pump 2 is communicated with the liquid outlet end of the stirring tank 1;
the liquid inlet end of the high-pressure module is communicated with the liquid outlet end of the pump machine 2, and a gap for liquid to flow is formed in the high-pressure module;
the liquid inlet end of the low-pressure module is communicated with the liquid outlet end of the pump machine 2, and a gap for liquid to flow is formed in the low-pressure module;
a recovery settling tank 3, wherein the liquid inlet end of the recovery settling tank 3 is respectively communicated with the liquid outlet ends of the high-pressure module and the low-pressure module;
the liquid inlet end of the first spraying part is communicated with the liquid outlet end of the pump 2, and the liquid outlet end of the first spraying part is communicated with the liquid inlet end of the high-pressure module;
the liquid inlet end of the first recovery cylinder 4 is communicated with the liquid outlet end of the high-pressure module, and the liquid outlet end of the first recovery cylinder 4 is communicated with the liquid inlet end of the recovery settling tank 3;
the liquid inlet end of the second spraying part is communicated with the liquid outlet end of the pump 2, and the liquid outlet end of the second spraying part is communicated with the liquid inlet end of the low-pressure module;
the liquid inlet end of the second recovery cylinder 5 is communicated with the liquid outlet end of the low-pressure module, and the liquid outlet end of the second recovery cylinder 5 is communicated with the liquid inlet end of the recovery settling tank 3;
the first spraying part and the second spraying part are identical in structure, and the first recovery cylinder 4 and the second recovery cylinder 5 are identical in structure.
In actual use: during low pressure simulation, the intercommunication of disconnection pump machine 2 and high pressure module, open the intercommunication of pump machine 2 and low pressure module, carry out the stirring of proppant and fracturing fluid simultaneously in agitator tank 1, make mixed liquid reach the predetermined specification, then pump machine 2 extracts the mixed liquid in the agitator tank 1, improve the velocity of flow of pump machine play liquid end, then pour into mixed liquid into the low pressure module through injection portion two and observe, and record the settlement state of proppant different times in the low pressure module, get into in recovery section of thick bamboo two 5 after the low pressure module of rethread, get into in retrieving settling cask 3 again, carry out solid-liquid separation, accomplish low pressure simulation.
During high-pressure simulation, the intercommunication of pump machine 2 and low pressure module is broken, the intercommunication of pump machine 2 and high pressure module is opened, carry out the stirring of proppant and fracturing fluid in agitator tank 1 simultaneously, make mixed liquid reach the predetermined specification, then pump machine 2 extracts the mixed liquid in agitator tank 1, improve the velocity of flow of pump machine liquid outlet end, then pour into mixed liquid into high pressure module through injection portion one and observe, and record the stifled form temporarily of proppant different times in high pressure module, get into in recovery section of thick bamboo one 4 behind the low pressure module of rethread, get into in recovery settling cask 3 again, carry out solid-liquid separation, accomplish high-pressure simulation.
The high voltage simulation and the low voltage simulation need to be performed singly and cannot be performed simultaneously.
Example 2:
referring to fig. 1, the present embodiment is different in that: the feed liquor end of agitator tank 1 and pump machine 2 is connected between has a valve 6, the play liquid end intercommunication of pump machine 2 has flowmeter 7, flowmeter 7 communicates with high pressure module and low pressure module respectively.
In actual use: the first valve 6 is used for controlling the communication between the stirring tank 1 and the pump 2, and the first flowmeter 7 is used for detecting the flow rate of the liquid outlet end of the pump 2, so that the pump 2 can be conveniently adjusted.
Example 3:
referring to fig. 1, the present embodiment is different from embodiment 1 in that: retrieve 3 tops of settling cask and can dismantle and be connected with water pump 8, 8 feed liquor ends of water pump and retrieve 3 interior intercommunications of settling cask, 8 play liquid ends of water pump and agitator tank 1 intercommunication.
In actual use: through set up water pump 8 on retrieving settling cask 3, can make the fracturing fluid after the separation draw to pour into agitator tank 1 into simultaneously, thereby reach fracturing fluid reuse.
Example 4:
referring to fig. 3: one of injection portion includes shell 9, pit shaft 10, injection pipe 11, hand wheel 12, lower extreme cover 13, 9 tubular structure of shell, and shell 9 one side is open opening, pit shaft 10 is fixed in shell 9, and the outer wall axial of pit shaft 10 is opened there is the gap, and the gap is located shell 9 open one side, injection pipe 11 runs through shell 9, and 11 outer circumferences of injection pipe and shell 9 both ends internal face seal swivelling joint, and injection pipe 11 runs through pit shaft 10 to with 10 clearance fit of pit shaft, lower extreme cover 13 can be dismantled with the bottom of shell 9 and be connected, and 11 bottoms of injection pipe are located lower extreme cover 13, it has the inlet liquid end to open on the lower extreme cover 13, the inlet liquid end and the pump machine 2 intercommunication of lower extreme cover 13, 11 tops of injection pipe are sealed, and 11 tops of injection pipe can dismantle connection hand wheel 12, 11 radial equidistance of injection pipe have a plurality of injection outer circumferences to open, every the injection group comprises the injection hole along 11 axial equidistance distribution of injection pipe, and the quantity of every injection group is different.
In actual use: the injection group on the injection pipe 11 in this embodiment is six, the quantity that every group lies in the axially distributed jet orifice on the injection pipe 11 is 2, 4, 6, 8, 10, 12, and every group jet orifice sets up with 60 degrees phase angles, when carrying out low pressure and high pressure simulation, rotate hand wheel 12, hand wheel 12 drives injection pipe 11 internal rotation in pit shaft 10, make one of them group jet orifice align with the gap on the pit shaft 10, thereby can simulate underground big gun hole quantity through the jet orifice of different quantity, mixed liquid passes through the inlet end entering injection pipe 11 of lower end cover 13, mixed liquid passes through jet orifice and crack entering high pressure module or low pressure module again.
In this embodiment, the bottom of the lower end cover 13 in the second injection part of the high-pressure module is communicated with a tee joint 37, a transverse connecting port of the tee joint 37 is communicated with the pump 2, and a connector at the bottom of the tee joint 37 is detachably connected and sealed.
In this embodiment, the positions of the corresponding injection groups on the handwheel 12 are identified, so that when the handwheel 12 is rotated, it is convenient to determine which group of injection holes is aligned with the gap of the wellbore 10.
Example 5:
referring to fig. 1, the present embodiment is different in that: the high-pressure module comprises a first high-pressure part and a second high-pressure part, two ends of the first high-pressure part and two ends of the second high-pressure part are respectively communicated with a first injection part and a first recovery cylinder 4, the length of a gap for liquid to flow in the second high-pressure part is larger than that of the gap for liquid to flow in the first high-pressure part, and the first high-pressure part and the second high-pressure part are identical in structure.
In actual use: the length of the gap for liquid to flow in the second high-pressure part is larger than that of the gap for liquid to flow in the first high-pressure part, so that the boundary condition of the temporary plugging experiment can be increased.
Example 6:
referring to fig. 6-8, the present embodiment differs in that: high pressure portion one includes at least one test part one, test part one includes support 14, water collector 15, a pair of slide rail 16, a pair of slide 17, encloses frame 18, encloses frame two 19, a pair of base 20 and a pair of glass 21, frame 14 encloses the frame for the rectangle, water collector 15 can dismantle the connection upper end in support 14, support 14 upper surface both ends can be dismantled respectively and connect slide rail 16, sliding connection slide 17 on the slide rail 16, enclose frame 18 can dismantle the rear end of connecting at support 14 upper surface through base 20, and enclose frame 18 and support 14 upper surface vertical, enclose frame two 19 and can dismantle through base 20 and a pair of slide 17 and be connected, and enclose frame two 19 and support 14 upper surface vertical, enclose frame 18 and enclose frame two 19 opposite face contact, and enclose frame one 18 and enclose frame two 19 and can dismantle the connection glass 21 with enclosing frame two, and it is a pair of being connected with sealed respectively in frame 19, and can dismantle the liquid outlet is a sealed and can be dismantled a liquid outlet between glass 21, enclose frame 18 both sides and open respectively have a liquid inlet end and enclose the liquid inlet end and connect the sealed recovery of a liquid inlet end in the liquid inlet end of a pair of 18 and a sealed recovery barrel, the liquid inlet end of a sealed recovery of a liquid inlet end of 18 and a recovery barrel, the liquid inlet end of a pair of 18 communicates with the liquid inlet end of a sealed recovery barrel 18, the liquid inlet end of a recovery barrel 18 and a recovery barrel 18.
In actual use: the mixed liquid enters the liquid inlet end of the first enclosing frame 18 through the first spraying part, flows transversely in a gap between the first pair of glasses 21, is observed and recorded, then passes through the gap between the first pair of glasses 21, enters the first recovery cylinder 4 through the liquid outlet end of the first enclosing frame 18, and is conveyed into the recovery settling tank 3 through the first recovery cylinder 4 through a pipeline.
After the experiment is finished, the connection relation between the first enclosing frame 18 and the second enclosing frame 19 is disconnected, the second enclosing frame 19 is pushed, the second enclosing frame 19 drives the sliding seat 17 to slide on the sliding rail 16 through the base 20, the second enclosing frame 19 is far away from the first enclosing frame 18, the first pair of glasses 21 is separated, mixed liquid deposited between the first pair of glasses 21 falls onto the water receiving tray 15 located in the support 14, and the mixed liquid is collected and treated uniformly through the water receiving tray 15.
In this embodiment, the number of the first testing parts is three, and the first testing parts are connected in parallel.
In this embodiment, the sealing strips are arranged at the upper end and the lower end between the pair of first glass units 21, a channel with width, length and height is formed by the pair of sealing strips and the pair of first glass units 21, simulation experiments are performed through the channel, and when the distance between the pair of first glass units 21 is adjusted according to different experiment requirements, the sealing strips with different sizes are replaced to ensure the sealing performance of the upper end and the lower end of the pair of first glass units 21.
In this embodiment, the size of the first glass 21 is 400mm × 300mm, and the withstand voltage is greater than 5MPa.
Example 7:
referring to fig. 5 to 6, the present embodiment is different in that: the high-voltage part II at least comprises a testing part II, the structure of the testing part II is the same as that of the testing part I, and a pair of glasses I21 are respectively transversely arranged in parallel in the surrounding frame I18 and the surrounding frame II 19 of the testing part II.
In actual use: because the bearing strength is high, the bearing capacity of the glass can be improved by adopting the two pieces of the first glass 21 on the single side.
Example 8:
referring to fig. 1 and 7, the present embodiment is different in that: the rear end center department of support 14 upper surface can be dismantled and be connected with pneumatic cylinder 22, the front end center department of support 14 upper surface can be dismantled and be connected with hydraulic buffer 23, pneumatic cylinder 22 drive end can be dismantled with the center department of enclosing frame two 19 bottom ends and be connected, the four corners department of support 14 lower surface can be dismantled respectively and be connected with adjustable stabilizer blade 24.
In actual use: in this embodiment, the hydraulic cylinder 22 is a manual hydraulic jack, after the connection between the second enclosure frame 19 and the first enclosure frame 18 is disconnected, the hydraulic cylinder 22 is manually driven, the driving end of the hydraulic cylinder 22 pushes the second enclosure frame 19 to be far away from the first enclosure frame 18, the second enclosure frame 19 slides on the slide rail 16 through the base 20 and the slide seat 17, so that the second enclosure frame 19 horizontally moves, when the second enclosure frame 19 is about to move to the end of the slide rail 16, the second enclosure frame 19 is contacted with the buffering end of the hydraulic buffer 23, the second enclosure frame 19 is limited, and therefore the purpose of preventing the second enclosure frame 19 from moving out of the slide rail 16 is achieved.
The level of the support 14 can be adjusted by means of the adjustable foot 24.
The side of the base 20 connected with the second enclosure frame 19 in the embodiment is hinged with a supporting rod 39, the supporting rod 39 is provided with a clamping groove, the side of the base 20 connected with the first enclosure frame 18 is detachably connected with a clamping pin 38, the second enclosure frame 19 is far away from the first tailings, the supporting rod 39 is rotated, the clamping groove is sleeved on the clamping pin 38, limitation is completed, the second enclosure frame 19 is prevented from being close to the first enclosure frame 18 under the action of the hydraulic buffer 23, and operation of workers is prevented from being influenced.
Example 9:
referring to fig. 1, the present embodiment is different in that: the low-voltage module comprises a driving part and a third testing part, the third testing part at least comprises a pair of testing units, the testing units are detachably connected, each testing unit is communicated, the driving end of the driving part is used for controlling the movement of the testing units, the driving part comprises a base 25, a motor 26, a transmission shaft 27, a plurality of power distribution boxes 28, a plurality of lead screws 29, a positive-thread worm block 30, a negative-thread worm block 31, a plurality of groups of slideways 32 and a plurality of pairs of sliding frames 33, each group of the slideways 32 is detachably connected to the base 25, each group of the slideways 32 is slidably connected with one pair of sliding frames 33, each pair of the sliding frames 33 is detachably connected with the testing units, the motor 26 and the plurality of power distribution boxes 28 are detachably connected to the base 25, one power distribution box 28 is arranged between one end of each group of the slideways 32, the transmission shafts 27 are connected between the plurality of power distribution boxes 28 in the longitudinal direction, the power distribution boxes 28 at one end are connected with the driving end of the motor 26 through the transmission shaft 27, the power distribution boxes 28 are detachably connected with the lead screws 29, each lead screw 29 is connected with the positive-thread block 30 and the negative-thread block 31, each group of the lead screws 29 is connected with the negative-thread block 31, and the slide blocks 31 are connected with the lower surface of the positive-thread blocks 31, and the slide frames 31, and the negative-thread blocks 31.
In actual use: in this embodiment, eight test units are provided, the motor 26 is started, the driving end of the motor 26 drives eight power distribution boxes 28 connected in series through the transmission shaft 27 to work, the power distribution boxes 28 simultaneously drive the screw 29 to rotate, the screw 29 enables the positive thread worm block 30 and the negative thread worm block 31 to move in opposite directions by being provided with the positive thread worm block 30 and the negative thread worm block 31, and the positive thread worm block 30 and the negative thread worm block 31 are respectively connected with one sliding frame 33, so that the pair of sliding frames 33 can move relatively on the sliding rail 32, and the test units can be separated or close to each other by moving each pair of sliding frames 33 relatively.
Example 10:
referring to fig. 1-2 and 4, the present embodiment differs in that: the test unit is including enclosing three 34 of frame, enclosing four 35 of frame and a pair of glass two 36, enclose three 34 of frame and enclose four 35 of frame and can dismantle the connection respectively perpendicularly and be a pair of on the balladeur train 33, enclose three 34 of frame and enclose four 35 interior sealed connection glass two 36 of dismantling respectively, enclose three 34 of frame and enclose four 35 opposite face contacts of frame, and enclose three 34 of frame and enclose four 35 of frame and can dismantle the connection, and have the clearance between a pair of glass two 36, enclose three 34 of frame and enclose four 35 both sides opposite face and all opened the feed liquor groove, it forms feed liquor end and play liquid end to enclose three 34 of frame and enclose four 35 both sides when connecting of frame, the shell 9 of injection portion two with enclose three 34 of frame and enclose four 35 one side seals can dismantle the connection respectively, the gap of the pit shaft 10 of injection portion two with the feed liquor end intercommunication that encloses three 34 of frame and four 35 of frame and enclose the constitution, two 5 of recovery liquid barrel with enclose three 34 of frame and enclose four 35 of frame and enclose the sealed connection of unloading respectively, the recovery barrel constitutes of recovery 5 and two of frame 35 and enclose four sides.
In actual use: the mixed liquor enters a space between a pair of second glass 36 through the liquid inlet end formed by the third surrounding frame 34 and the fourth surrounding frame 35 of the spraying part, and enters a space between the third next surrounding frame 34 and the second glass 36 between the fourth surrounding frame 35 of the next surrounding frame 34 through the liquid outlet end formed by the third surrounding frame 34 and the fourth surrounding frame 35 of the spraying part, so that the settlement states of the support frames at different times can be observed, and after the mixed liquor passes through the third surrounding frame 34 and the fourth surrounding frame 35 of a plurality of groups, the mixed liquor enters the second recovery cylinder 5 and then enters the second recovery settling tank 3 to complete circulation.
When the recovery device is opened, the connection relation among the third surrounding frame 34, the fourth surrounding frame 35, the shell of the second spraying part and the second recovery cylinder 5 is released, the third surrounding frame 34 and the fourth surrounding frame 35 move along with the pair of sliding frames 33 through the driving of the motor 26, the third surrounding frame 34 and the fourth surrounding frame 35 are relatively far away, and the third surrounding frame 34 and the fourth surrounding frame 35 can be driven to be close to and attached through the reverse starting of the motor 26.
The test unit has eight in this embodiment, it leads to be located eight test unit cluster, and the connection can be dismantled in the sealing between the test unit, be located four test unit of two 5 one sides of recovery cylinder simultaneously, the sealed dismantlement of three 34 internal sealings of enclosure of these four test unit is connected with the slabstone, through the clearance between slabstone and two 36 glasses, because the slabstone surface is crude, can press close to underground environment more, it is better to make the observation effect, in this embodiment, two 36 glasses and two 36 glasses, the upper and lower both ends of two 36 glasses and the slabstone opposite face set up the sealing strip, to two 36 glasses and two 36 glasses, both ends are sealed about two 36 glasses and the slabstone opposite face, make and two 36 glasses, constitute the clearance between two 36 glasses and the slabstone, supply mixed liquid to pass through, according to different experiment simulation requirements, when controlling the clearance between them, change not unidimensional and sealing strip, in order to guarantee sealed effect.
In this example, the size of the second glass 36 is 8000mm x 1400mm, and the withstand voltage is greater than 0.2MPa.
In the present embodiment, the third enclosure frame 34 and the fourth enclosure frame 35 have the same structure.
Example 10:
with reference to figure 1 of the drawings,
low-pressure simulation test steps:
the second glass 36 and the second glass 36 of the low-pressure module are arranged, and the gap between the second glass 36 and the rock plate is 4mm. And opening the low-pressure model pipeline control valve and closing the high-pressure model pipeline control valve. The injection pipe 11 is rotated by the hand wheel 12, and the injection group of 12 holes is adjusted. The device is filled with clear water. Then preparing a liquid: adding clear water into the stirring tank 1 at a ratio of 1, opening a stirrer of the stirring tank 1, setting the stirring speed at 100r/min, slowly adding 0.08 percent of guar gum, stirring for half an hour, and testing the viscosity to be about 3 millipascal seconds. Slowly adding 15% of proppant type (namely 20-40 mesh quartz sand) and uniformly stirring. The pump 2 is then turned on and the displacement is set at 110L/min. Fracturing fluid carrying proppant in the stirring tank 1 enters the second injection part through the pump 2, sand-carrying fluid is sprayed out through the 12-hole injection group, passes through the gap of the shaft 10 and sequentially passes through the second glass 36 and the second glass 36, and the gaps between the second glass 36 and the rock plates, and the settlement forms of the proppant at different times are observed, photographed and recorded. After the experiment is finished, the device is reset after the propping agent and the fracturing fluid are washed clean.
The guar fracturing fluid carries the proppant into the low-pressure module. The specific test conditions were as follows:
proppant type: 20-40 mesh quartz sand;
fracturing fluid: the guanidine gum fracturing fluid has the viscosity m of 3mPa.s respectively;
and (3) perforation mode: a large section of multi-cluster perforation (12 holes);
a sand adding mode: continuously adding sand;
liquid injection displacement: designing the site construction discharge capacity to be 3.6m3/min and 110L/min according to a similar criterion;
sand concentration: 15 percent.
The experimental phenomenon shows that the sand carrying sand of the low-viscosity guar gum is mainly concentrated at the front section of the low-pressure module, and the sand carrying sand of the low-viscosity guar gum is rapidly lowered at the rear section, so that the sand carrying capacity of the low-viscosity guar gum is relatively poor.
The test steps of the high-pressure large-scale crack simulation device are as follows:
the clearance of the second testing part is 1mm, and the clearances of the first testing parts are sequentially and respectively 2mm, 3mm and 4mm. And opening the high-pressure module pipeline control valve, and closing the low-pressure model pipeline control valve. The injection pipe 11 is rotated by the hand wheel 12, and the injection group of 6 holes is adjusted. The device is filled with clear water. Then preparing a liquid: adding 0.5 square of clear water into the stirring tank 1, opening a stirrer of the stirring tank 1, setting the stirring speed at 100r/min, slowly adding 0.2 percent of guar gum (1 kg), stirring for half an hour, and testing the viscosity to be about 12 millipascal seconds. Slowly adding 12% of temporary plugging agent (particle diameter is 1-2 mm), and stirring uniformly. The pump 2 was turned on and the displacement was set at 80L/min. Fracturing fluid carrying the temporary plugging agent in the stirring tank 1 enters the first spraying part through the pump 2, and the fracturing fluid carrying the temporary plugging agent is sprayed out through the 6-hole spraying group and enters the space between the first glass 21, so that the temporary plugging state of the temporary plugging agent in cracks at different times is observed.
After the experiment, the test unit is opened, and the temporary plugging agent and the fracturing fluid are washed clean and then the device is assembled.
Temporary plugging simulation experiment:
the specific test conditions for the temporary plugging agent carried by the guar gum base fluid to enter the crack are as follows:
proppant type: 2-3mm diameter temporary plugging agent,
Fracturing fluid: the viscosity m of the guar gum base solution is 12mPa.s.
And (3) perforation mode: large-section multi-cluster perforation 6 holes
A sand adding mode: continuous addition of
Liquid injection discharge capacity: designing the site construction discharge capacity according to the similar criterion to be 1m < 3 >/min and 80L/min
Concentration of the temporary plugging agent: 12 percent.
The experiment phenomenon shows that the temporary plugging agent forms a temporary plugging layer at the front section of the crack quickly, and has a better shunting temporary plugging effect.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention, and the present invention is within the scope of protection of the technology.
Claims (10)
1. The utility model provides a large-scale crack simulation experiment device which characterized in that includes:
a stirring tank (1);
the liquid inlet end of the pump (2) is communicated with the liquid outlet end of the stirring tank (1);
the high-pressure liquid inlet end is communicated with the liquid outlet end of the pump (2), and a gap for liquid to flow is formed in the high-pressure module;
the liquid inlet end of the low-pressure module is communicated with the liquid outlet end of the pump (2), and a gap for liquid to flow is formed in the low-pressure module;
the liquid inlet end of the recovery settling tank (3) is respectively communicated with the liquid outlet ends of the high-pressure module and the low-pressure module;
the liquid inlet end of the first spraying part is communicated with the liquid outlet end of the pump (2), and the liquid outlet end of the first spraying part is communicated with the liquid inlet end of the high-pressure module;
the liquid inlet end of the first recovery cylinder (4) is communicated with the liquid outlet end of the high-pressure module, and the liquid outlet end of the first recovery cylinder (4) is communicated with the liquid inlet end of the recovery settling tank (3);
the liquid inlet end of the second spraying part is communicated with the liquid outlet end of the pump (2), and the liquid outlet end of the second spraying part is communicated with the liquid inlet end of the low-pressure module;
the liquid inlet end of the second recovery cylinder (5) is communicated with the liquid outlet end of the low-pressure module, and the liquid outlet end of the second recovery cylinder (5) is communicated with the liquid inlet end of the recovery settling tank (3);
the first injection part and the second injection part are identical in structure, and the first recovery cylinder (4) and the second recovery cylinder (5) are identical in structure.
2. The large-scale crack simulation experiment device according to claim 1, wherein a valve I (6) is communicated between the stirring tank (1) and the liquid inlet end of the pump (2), a flow meter I (7) is communicated with the liquid outlet end of the pump (2), and the flow meter I (7) is respectively communicated with the high-pressure module and the low-pressure module.
3. The large-scale crack simulation experiment device according to claim 1, wherein a water pump (8) is detachably connected to the top end of the recovery settling tank (3), the liquid inlet end of the water pump (8) is communicated with the interior of the recovery settling tank (3), and the liquid outlet end of the water pump (8) is communicated with the stirring tank (1).
4. The large-scale crack simulation experiment device according to claim 1, the spraying part I comprises a shell (9), a shaft (10), a spraying pipe (11), a hand wheel (12) and a lower end cover (13), the shell (9) is of a cylindrical structure, and one side of the shell (9) is an open opening, the shaft (10) is fixed in the shell (9), and the outer wall surface of the shaft (10) is axially provided with a gap which is positioned at the open side of the shell (9), the injection pipe (11) penetrates through the shell (9), the outer circumferential surface of the injection pipe (11) is connected with the inner wall surfaces of two ends of the shell (9) in a sealing and rotating way, the injection pipe (11) penetrates through the shaft (10), and is in clearance fit with the shaft (10), the lower end cover (13) is detachably connected with the bottom end of the shell (9), the bottom end of the injection pipe (11) is positioned in a lower end cover (13), a liquid inlet end is arranged on the lower end cover (13), the liquid inlet end of the lower end cover (13) is communicated with the pump (2), the top end of the injection pipe (11) is sealed, and injection pipe (11) top can be dismantled and connect hand wheel (12), the radial equidistance of injection pipe (11) outer periphery is opened has a plurality of to spray the group, every spray the group and constitute by the jet orifice that distributes along injection pipe (11) axial equidistance, and the jet orifice quantity of every injection group is different.
5. The large-scale crack simulation experiment device according to claim 1, wherein the high-pressure module comprises a first high-pressure part and a second high-pressure part, two ends of the first high-pressure part and the second high-pressure part are respectively communicated with the first injection part and the first recovery cylinder (4), the length of a gap for liquid to flow in the second high-pressure part is larger than that of the gap for liquid to flow in the first high-pressure part, and the first high-pressure part and the second high-pressure part have the same structure.
6. A large-scale crack simulation experiment device according to claim 4, wherein the first high-pressure part comprises at least one first test part, the first test part comprises a support (14), a water pan (15), a pair of slide rails (16), a pair of slide seats (17), a first enclosure frame (18), a second enclosure frame (19), a pair of bases (20) and a pair of first glass (21), the support (14) is a rectangular enclosure frame, the water pan (15) is detachably connected to the upper end of the inside of the support (14), the slide rails (16) are detachably connected to two ends of the upper surface of the support (14), the slide rails (16) are slidably connected to the slide rails (17), the first enclosure frame (18) is detachably connected to the rear end of the upper surface of the support (14) through the bases (20), the first enclosure frame (18) is perpendicular to the upper surface of the support (14), the second enclosure frame (19) is detachably connected to the pair of slide seats (17) through the bases (20), the second enclosure frame (19) is perpendicular to the upper surface of the support (14), the first enclosure frame (18) is in contact with the second enclosure frame (19), the first enclosure frame (19) is connected to the first enclosure frame (21) in a sealing manner, and the first enclosure frame (18) is connected to the first enclosure frame (21), enclose frame (18) both sides and open respectively and have the feed liquor end and go out the liquid end, and enclose the feed liquor end of frame (18) and go out the liquid end and be located between a pair of glass one, shell (9) of injection portion one and the feed liquor end one side sealed dismantlement of enclosing frame (18) are connected, enclose the gap intercommunication of frame (18) feed liquor end and pit shaft (10) of injection portion one, the feed liquor end of recovery drum one (4) and the play liquid end intercommunication of enclosing frame (18), and recovery drum one (4) and enclose frame (18) sealed dismantlement and be connected.
7. The large-scale crack simulation experiment device according to claim 6, wherein the second high-voltage part comprises at least one second testing part, the second testing part has the same structure as the first testing part, and a pair of first glasses (21) is respectively arranged in the first enclosing frame (18) and the second enclosing frame (19) of the second testing part in a transverse parallel mode.
8. The large-scale crack simulation experiment device according to claim 6, wherein a hydraulic cylinder (22) is detachably connected to the center of the rear end of the upper surface of the support (14), a hydraulic buffer (23) is detachably connected to the center of the front end of the upper surface of the support (14), the driving end of the hydraulic cylinder (22) is detachably connected to the center of the bottom end of the second enclosure frame (19), and adjustable support legs (24) are detachably connected to four corners of the lower surface of the support (14).
9. The large-scale crack simulation experiment device according to claim 4, wherein the low-voltage module comprises a driving part and a third testing part, the third testing part comprises at least one pair of testing units which are detachably connected with each other and are communicated with each other, the driving end of the driving part is used for controlling the movement of the testing units, the driving part comprises a base (25), a motor (26), a transmission shaft (27), a plurality of power distribution boxes (28), a plurality of lead screws (29), a positive-thread worm block (30), a negative-thread worm block (31), a plurality of sets of slideways (32) and a plurality of pairs of carriages (33), each set of slideways (32) is detachably connected to the base (25), each set of slideways (32) is slidably connected with one pair of carriages (33), each pair of carriages (33) is detachably connected with a testing unit, the motor (26) and a plurality of power distribution boxes (28) are detachably connected to the base (25), one end of each set of slideways (32) is provided with one power distribution box (28), a plurality of power distribution boxes (28) are connected with each transmission shaft (27) between the longitudinal ends, and the transmission shaft (27) is connected with the power distribution boxes (28) through a transverse interface of the power distribution boxes (28), and the transmission shaft (29) is connected with the power distribution boxes (28), each lead screw (29) is in threaded connection with a positive thread worm block (30) and a negative thread worm block (31), a positive thread worm block (30) and a negative thread worm block (31) are arranged between the slideways (32) of each group, and the centers of the lower surfaces of a pair of sliding frames (33) on the slideways (32) of each group are respectively in detachable connection with the positive thread worm block (30) and the negative thread worm block (31).
10. The large-scale crack simulation experiment device according to claim 9, the test unit comprises a third surrounding frame (34), a fourth surrounding frame (35) and a pair of second glasses (36), the third enclosing frame (34) and the fourth enclosing frame (35) are respectively vertically and detachably connected to the pair of sliding frames (33), the third enclosing frame (34) and the fourth enclosing frame (35) are respectively sealed and detachably connected with a second glass (36), the third surrounding frame (34) is in contact with the fourth surrounding frame (35) in opposite faces, the third enclosing frame (34) and the fourth enclosing frame (35) are detachably connected, and a gap is arranged between the pair of second glass (36), the opposite surfaces of the two sides of the third enclosing frame (34) and the fourth enclosing frame (35) are both provided with liquid inlet grooves, liquid passing grooves on two sides of the third enclosing frame (34) and the fourth enclosing frame (35) form a liquid inlet end and a liquid outlet end when the third enclosing frame (34) is connected with the fourth enclosing frame (35), the shell (9) of the second spraying part is respectively connected with one side of the third surrounding frame (34) and one side of the fourth surrounding frame (35) in a sealing and detachable way, the gap of the shaft (10) of the second spraying part is communicated with a liquid inlet end formed by the third enclosing frame (34) and the fourth enclosing frame (35), the second recovery cylinder (5) is respectively connected with the other sides of the third enclosing frame (34) and the fourth enclosing frame (35) in a sealing and detachable way, and the second recovery cylinder (5) is communicated with a liquid outlet end formed by the third surrounding frame (34) and the fourth surrounding frame (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601444.0A CN115478825B (en) | 2021-05-31 | 2021-05-31 | Large-scale crack simulation experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601444.0A CN115478825B (en) | 2021-05-31 | 2021-05-31 | Large-scale crack simulation experiment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115478825A true CN115478825A (en) | 2022-12-16 |
| CN115478825B CN115478825B (en) | 2024-05-31 |
Family
ID=84419715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110601444.0A Active CN115478825B (en) | 2021-05-31 | 2021-05-31 | Large-scale crack simulation experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115478825B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590888A (en) * | 2012-02-20 | 2012-07-18 | 中国石油大学(华东) | Experimental device for simulating spreading of propping agent in crack and application thereof |
| CN205260031U (en) * | 2015-12-30 | 2016-05-25 | 西安石油大学 | Proppant migration simulation experiment device in does not stitch in two wing owner cracks of coplane |
| CN106153833A (en) * | 2016-08-26 | 2016-11-23 | 中国华能集团公司 | A kind of fracturing fluid sand carrying effect evaluating apparatus and method |
| CN205990899U (en) * | 2016-08-31 | 2017-03-01 | 中国石油集团川庆钻探工程有限公司 | Diverting agent turns to and proppant sedimentation simulation visual experimental apparatus |
| CN207645661U (en) * | 2017-12-14 | 2018-07-24 | 王亚林 | Hanger easy to disassemble for building |
| US20200056459A1 (en) * | 2017-04-19 | 2020-02-20 | Landmark Graphics Corporation | Controlling Redistribution of Suspended Particles in Non-Newtonian Fluids During Stimulation Treatments |
| CN210134169U (en) * | 2019-07-12 | 2020-03-10 | 兰溪轮峰车料有限公司 | Automatic oxidation equipment of aluminum alloy sprocket crank |
-
2021
- 2021-05-31 CN CN202110601444.0A patent/CN115478825B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590888A (en) * | 2012-02-20 | 2012-07-18 | 中国石油大学(华东) | Experimental device for simulating spreading of propping agent in crack and application thereof |
| CN205260031U (en) * | 2015-12-30 | 2016-05-25 | 西安石油大学 | Proppant migration simulation experiment device in does not stitch in two wing owner cracks of coplane |
| CN106153833A (en) * | 2016-08-26 | 2016-11-23 | 中国华能集团公司 | A kind of fracturing fluid sand carrying effect evaluating apparatus and method |
| CN205990899U (en) * | 2016-08-31 | 2017-03-01 | 中国石油集团川庆钻探工程有限公司 | Diverting agent turns to and proppant sedimentation simulation visual experimental apparatus |
| US20200056459A1 (en) * | 2017-04-19 | 2020-02-20 | Landmark Graphics Corporation | Controlling Redistribution of Suspended Particles in Non-Newtonian Fluids During Stimulation Treatments |
| CN207645661U (en) * | 2017-12-14 | 2018-07-24 | 王亚林 | Hanger easy to disassemble for building |
| CN210134169U (en) * | 2019-07-12 | 2020-03-10 | 兰溪轮峰车料有限公司 | Automatic oxidation equipment of aluminum alloy sprocket crank |
Non-Patent Citations (1)
| Title |
|---|
| 温庆志;刘欣佳;黄波;任占春;王峰;: "水力压裂可视裂缝模拟系统的研制与应用", 特种油气藏, no. 02, pages 136 - 139 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115478825B (en) | 2024-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107185444A (en) | A kind of printing production line is with efficient ink mixing arrangement | |
| CN109326193B (en) | Experimental device and method for simulating water inrush plugging of cross karst pipeline | |
| CN104563995A (en) | Fracturing blender truck | |
| CN115478825A (en) | Large-scale crack simulation experiment device | |
| CN208258413U (en) | A kind of agricultural water conservancy irrigation rig | |
| CN113931595A (en) | Ultrahigh pressure fracturing wellhead device convenient to assemble and assembling device thereof | |
| CN112680201A (en) | Coal-bed gas well flushing fluid and preparation method and application thereof | |
| CN208840444U (en) | A kind of flange forging apparatus of rapid cooling | |
| CN219176314U (en) | Stratum inclination adjustable gas drive analogue means for oil gas field development indoor experiment | |
| CN204235353U (en) | Grinding head and liquid crystal panel lapping device | |
| CN207153161U (en) | A kind of extraction equipment | |
| CN108738609A (en) | A kind of agricultural water conservancy irrigation rig | |
| CN206588565U (en) | Machine is blocked up on a kind of hard polyaminoester direct-buried thermal insulation pipe frame hydraulic pressure | |
| CN209024922U (en) | A kind of asphalt foaming pipe and asphalt foaming apparatus | |
| CN108978089A (en) | A kind of textile dye storing unit | |
| CN213435996U (en) | Novel part washs device | |
| CN104525035B (en) | A kind of continuous mixing device of fracturing fluid and its compounding method | |
| CN209455396U (en) | A kind of refractory material production feeding device that can prevent feed inlet from blocking | |
| CN211777288U (en) | Drilling mud continuous circulating valve and equipment | |
| CN107008191A (en) | A kind of vertical pulping device for Rare Earth Mine | |
| CN208885305U (en) | A kind of constructing tunnel slip casting machine | |
| CN215486138U (en) | But inside rotatory automatic spray dust suppression device of quick assembly disassembly of mine | |
| CN110939423A (en) | Experimental device for withstand voltage visual simulation self-supporting fracturing fluid flow law | |
| CN205605192U (en) | Simulate interior proppant sedimentation rule experimental apparatus of asymmetric cloth seam | |
| CN109806936A (en) | A kind of metro building material crushing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |