CN104931307B - Prepare the device and preparation method for the transparent rock core for including porous dehiscence gap and net horizontal section - Google Patents
Prepare the device and preparation method for the transparent rock core for including porous dehiscence gap and net horizontal section Download PDFInfo
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- CN104931307B CN104931307B CN201510248369.9A CN201510248369A CN104931307B CN 104931307 B CN104931307 B CN 104931307B CN 201510248369 A CN201510248369 A CN 201510248369A CN 104931307 B CN104931307 B CN 104931307B
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Abstract
The present invention relates to the device and preparation method for preparing the transparent rock core for including porous dehiscence gap and net horizontal section, the device that preparation therein includes the transparent rock core of porous dehiscence gap and net horizontal section includes aerating device, horizontal well mould embedded system in core preparing device, rock mass, aerating device in gas delivery control system connection rock mass, polished rod is slided in kinetic control system connection, aerating device is placed in rock mass mould in rock mass, vacuum suction device connects rock mass mould, temperature control system connection water bath；Rock mass mould is the seal case that four pieces of transparency glass plates are assembled into；In rock mass aerating device by seal box, gas distributor, make suture needle, slide polished rod constitute, horizontal well mould embedded system include horizontal wellbore mould mounting groove, telescopic die fixture, sliding-type gate, horizontal wellbore mould.When the intrinsic fracture of the invention present in simulated formation rock is with hole, observational study fractured horizontal well Fracture Evolution rule is realized.
Description
Technical field
The present invention relates to the system of the unconventionaloil pool such as tight gas, shale gas, coal bed gas reservoir and related gassiness rock mass
Standby device, and in particular to prepare the device and preparation method for the transparent rock core for including porous dehiscence gap and net horizontal section.
Background technology
It is in the oil and gas reservoir of Oil and Natural Gas Engineering to there is hole and crack more, it is characterized in be directed to coal bed gas, shale
In the unconventionaloil pool reservoir such as gas and tight gas, natural void and fissuted medium enrich, its to unconventionaloil pool reservoir reconstruction with
The formation of pressure-break net plays an important role.However, at present for the reservoir rich in porous dehiscence gap dual media, particularly
The unconventionaloil pool reservoir of not oil-producing gas is transformed, pressure break is the technical way of current oil-gas mining.How exactly
Formation of the description rich in natural hole fractured reservoir fracturing fracture, with connecting rule, is the core and " bottleneck " problem studied at present.
For research in this respect, researchers have done substantial amounts of work in terms of theoretical sum value model, and achieve certain knot
Really.But many shortcomings are still also there are in the research for net horizontal section, net pressure break rule point is stitched to net horizontal section
Analysis also needs to further raising.Therefore, it is possible to for different reservoir characteristic, carry out the research of similar characteristic and carry out pressure break examination
Testing research just has important Research Significance.
During the crushing test of similar rock core is carried out, not only need to produce the similar rock rich in hole fractured zones
The heart, in addition it is also necessary to install the net horizontal section mould of dummy level well study portion additional in transparent rock core.
The content of the invention
Included it is an object of the invention to provide preparation in the device of the transparent rock core of porous dehiscence gap and net horizontal section, this preparation
The device of the transparent rock core of apertures crack and net horizontal section is used to solve rock core endoporus in existing fractured horizontal well simulated experiment
Fractured zones rule and actual rock core endoporus fractured zones there are problems that very big, and another object of the present invention is to carry
Rock core method is prepared for this device for preparing the transparent rock core for including porous dehiscence gap and net horizontal section.
The technical solution adopted for the present invention to solve the technical problems is：This preparation includes porous dehiscence gap and net horizontal section
The device of transparent rock core include core preparing device, aerating device in rock mass, gas delivery control system, kinetic control system,
Horizontal well mould embedded system, vacuum suction device, temperature control system, gas delivery control system are connected by gas delivery tube
Aerating device in rock mass is connect, kinetic control system slides aerating device in polished rod, rock mass by rotary screw connection and is placed in rock mass
In mould, vacuum suction device connection rock mass mould, temperature control system connection water bath；Core preparing device bag
Classification raw material storage container, blending agitating device, delivery controller, rock mass mould, water bath are included, classification raw material are deposited
Storage container includes several storage containers for containing different raw material, and each storage container is pooled to main pipe line by being classified pipeline, always
Pipeline is extend into blending agitating device, is in charge of on line for every and is set flow control valve, and the outlet of blending agitating device passes through conveying
Pipeline connects and sets delivery controller on rock mass mould, the feed-line, and rock mass mould is by four pieces of transparent height
The seal case that hardness poly (methyl methacrylate) plate assembles；In rock mass aerating device by seal box, gas distributor, make suture needle, cunning
Dynamic polished rod is constituted, and gas distributor is arranged on the center of seal box, and the gas-distributing pipe of gas distributor is located in seal box, makes suture needle
Battle array disk is installed on the lower end of seal box, and the bottom surface for making suture needle battle array disk is provided with sealed compartment, makes suture needle and is arranged in array-like and is made
Below suture needle battle array disk, gas-distributing pipe is connected with making suture needle respectively, gas distributor connection gas delivery tube, slides polished rod and seal box
It is fixedly connected, slides the rotating fixing rod that is internally provided with of polished rod, the lower end of rotating fixing rod is provided with external screw thread, and rotation is fixed
Bar is by making seam control system control；Seam control system is made to be connected with making suture needle battle array disk, making suture needle respectively by control line；Preparation can
Raw material depending on changing rock core are made up of epoxy resin and curing agent；Horizontal well mould embedded system is laid including horizontal wellbore mould
Groove, telescopic die fixture, sliding-type gate, horizontal wellbore mould, sliding-type gate installation is in rock mass mould
Side-walls, horizontal wellbore mould mounting groove is arranged at the side of rock mass mould and sliding-type gate is enclosed in interior, level
Pit shaft mould is hollow square curved tube, and the end of the horizontal segment of horizontal wellbore mould is shut, and vertical section upper end has and revolved
Turn the internal thread of fix bar cooperation, horizontal segment surrounding is distributed the circular aperture of out of phase, and circular aperture is sealed with masking foil；Stretch
Contracting formula die fixture is fixed at the vertical section of horizontal wellbore mould, and horizontal wellbore mould is fixed by telescopic mould and filled
Put and be moved to relevant position；Rotating fixing rod lower end external screw thread and the upper end internal thread screwed connection of horizontal wellbore mould vertical section,
And rotating fixing rod is controlled by making seam control system, horizontal wellbore different azimuth is adjusted, any side of horizontal segment pit shaft is realized
Position arrangement.
Sliding-type gate controls it to be displaced sideways by sliding-type gate control panel in such scheme；Telescopic mould is fixed
Device is controlled by expansion link control panel, can be extrapolated, shunk, clamped, unclamping four kinds of operations, during rock core is made
Controlled level pit shaft mould is combined with making suture needle battle array disk center.
Gas delivery control system is by gas storage tanks, gas front pump, flow quantity control instrument, Stress control in such scheme
Instrument, speed control valve are connected by respective lines and constituted, and gas control operation system is installed in a computer, and computer connects respectively
Flow quantity control instrument, pressure controller, speed control valve are connect, passes through gas flow control, control hole crack length.
Blending agitating device in such scheme includes raw material stainless steel, agitator, controller, and agitator passes through transmission
Device connects raw material agitator group.
Kinetic control system in such scheme is by rotary screw, gearbox, driving motor, motion control stage, excercises
Make system connection composition.
Temperature control system in such scheme is by temperature sensor, temperature controller, water bath, temperature heating and cooling
Device is connected and composed.
The device that above-mentioned preparation includes the transparent rock core of porous dehiscence gap and net horizontal section prepares rock core method：
The first step：The structure in rock core internal holes crack is analyzed, is simulated by natural core or Computer Numerical Simulation,
Core three-dimensional modeling, and grid division are carried out in computer；Analog result be output to make seam control system, gas control system,
Core material hybrid control system；
Second step：Epoxy resin and curing agent are selected, proportioning encapsulation is carried out with raw material are compared according to experiment；
3rd step：Agitating device is blended by material to be stirred raw material according to ratio requirement, and passes through respective tube
Line sends into the raw material after the blending of preparation in rock mass mould；
4th step：According to analogue data, it is adapted to make suture needle according to analogue data selection, makes suture needle battle array disk；
5th step：Operational outfit, which starts from aerating device in test core, kinetic control system control rock mass, to be made to make seam
Pin is descending, and gas inflated is made suture needle and is inserted into transparent rock mass, and gas delivery control system implements colored gas conveying to rock mass
Interior progress is filled with colored gas, and inflation will quickly make suture needle extraction, gassiness porous dehiscence gap structure is formed in rock mass, is passed through after terminating
Colored gas in stomata crack can reflect porous dehiscence gap structure, and rock core is prepared into horizontal wellbore mould and lays automatic after trench bottom
Pause；
6th step：Sliding-type gate is opened, controlled level pit shaft mould enters rock mass mould, turn rotates after alignment
Fix bar, fixed horizontal wellbore mould, withdraws telescopic die fixture after release, close sliding-type gate, continues to start
Equipment, the making of transparent rock core is completed by computer, and detected by detection device；
7th step：By vacuum suction device to being vacuumized in rock mass mould, it is ensured that transparent rock mass is being formed
During not by external influence；
8th step：Rock mass mould is heated or cooled by temperature control system, the fast of transparent rock mass is realized
Rapid hardening is consolidated, and being formed has the transparent rock mass of the gassiness of hole fracture water flow and net horizontal section.
The invention has the advantages that：
1st, the present invention solves the problem of lacking Visualization rock core at present, and follow-up crushing test and correlation test are ground
Study carefully and condition is provided to the preparation for visualizing test specimen, while this invention also solves intuitively research level well can not be pressed in reservoir
The problem of splitting Fracture Evolution rule.
2nd, the invention provides it is a set of preparation include different aperture feature can fractured horizontal well coring device, truer
Simulated formation rock present in intrinsic fracture and hole while, observational study horizontal well is realized by horizontal wellbore mould
Fracturing fracture Evolution.
3rd, the present invention is by being filled with colored gas formation gassiness porous dehiscence gap structure, and selects epoxy resin and curing agent to be original
Material prepares epoxy resin and curing agent, and coloured porous dehiscence gap structure can be reflected clearly.
4th, the present invention can make different hardness, fragility, mechanics parameter and physical property ginseng by adjusting raw material ratio and composition
The epoxy resin and curing agent of the Multiple Combination features such as number.
Brief description of the drawings
Fig. 1 is apparatus of the present invention general structure schematic diagram；
Fig. 2 is horizontal well mould embedded system front view in the present invention；
Fig. 3 is horizontal well mould embedded system side view in the present invention；
Fig. 4 is horizontal well cylinder mould tool schematic diagram in the present invention；
Fig. 5 is that suture needle battle array disk axis connection diagram is made in the present invention；
Fig. 6 is aerating device structural representation in rock mass in the present invention；
Fig. 7 is rock mass forming die structure schematic diagram in the present invention.
In figure：1- is classified raw material storage container；2- raw material agitator groups；3- raw material stainless steels；4- agitators；5- is defeated
Send controller；6- makes seam control system；7- rock mass moulds；8- water baths；9- poly (methyl methacrylate) plates；10- seal boxes；11- gas
Body distributor；12- makes suture needle；13- slides polished rod；14- makes suture needle battle array disk；15- gas storage tanks；16- gas control operations system
System；17- rotary screws；18- gearboxes；19- driving motors；20- electric machine control systems；21- temperature sensors；22- temperature controls
System processed；23- vavuum pumps；24- gas-distributing pipes；25- horizontal wellbore moulds；26- fix bars；27- mounting grooves；The telescopic moulds of 28-
Fixing device；29- sliding-type gates；30- expansion link control panels；31- sliding-type gate control panels；32- eyelets；33- tin
Foil paper.
Embodiment
The present invention is further illustrated below：
As shown in figure 1, the device that this preparation includes the transparent rock core of porous dehiscence gap and net horizontal section includes rock core preparation dress
Put, aerating device, gas delivery control system, kinetic control system, horizontal well mould embedded system, vacuum suction dress in rock mass
Put, temperature control system 22, gas delivery control system pass through gas delivery tube connect rock mass in aerating device, motion control system
System slides aerating device in polished rod 13, rock mass by the connection of rotary screw 17 and is placed in rock mass mould 7, vacuum suction device
Connect rock mass mould 7, the connection water bath 8 of temperature control system 22；Kinetic control system is by rotary screw 17, gearbox
18th, driving motor 19, motion control stage, the connection composition of electric machine control system 20, electric machine control system 20 are installed in computer.
The raw material for making rock core are made up of epoxy resin and related curing agent, adjust according to demand different ratios of raw materials and
Care environments, make the visualization rock core of the Multiple Combination features such as different hardness, fragility, mechanics parameter and physical parameter.
Core preparing device includes classification raw material storage container 1, blending agitating device, delivery controller 5, rock mass shaping
Mould 7, water bath 8, classification raw material storage container 1 include several storage containers for containing different raw material, each storage container
Main pipe line is pooled to by being classified pipeline, main pipe line is extend into blending agitating device, is in charge of on line for every and is set flow to control
Valve, the outlet of blending agitating device is connected by feed-line sets delivery controller 5 on rock mass mould 7, the feed-line；
Blending agitating device includes raw material stainless steel 3, agitator 4, controller, and agitator 4 connects raw material by transmission device and stirred
Unit 2.Raw material form the mixing material with different ratio, mixing through flow control valve control in raw material storage container 1
Material is passed through prepares material by experiment rock mass of the stirring formation of agitator 4 with transparent feature, and rock mass prepares material through outer defeated pipe
Line is transported to rock mass mould 7 by the control of delivery controller 5 and forms core material.
Gas delivery control system is by gas storage tanks 15, gas front pump, flow quantity control instrument, pressure controller, speed
Control valve is connected by respective lines and constituted, and gas control operation system 16 is installed in a computer, computer difference connection flow
Controller, pressure controller, speed control valve are measured, passes through gas flow control, control hole crack length.
As shown in fig. 7, rock mass mould 7 is by four pieces of 9 groups of transparent high rigidity poly (methyl methacrylate) plates with some strength
The transparent sealing casing of dress, poly (methyl methacrylate) plate 9 is assembled by embedded groove, and rock mass mould 7 is placed in water bath 8
In.
Temperature control system 22 is connected by temperature sensor 21, temperature controller, water bath 8, temperature heating and cooling device
Connect composition.Temperature control system 22 carries out temperature control by temperature sensor 21 to water bath 8, passes through the temperature of water bath 8
Regulation and control implement that core material is heated or cooled, and realize the rapid solidification of core material, form the gassiness with hole fracture water flow
Transparent rock mass.
As shown in fig. 6, in rock mass aerating device by seal box 10, gas distributor 11, make suture needle 12, slide the structure of polished rod 13
Into gas distributor 11 is arranged on the center of seal box 10, and the gas-distributing pipe 24 of gas distributor 11 is located in seal box 10, makes seam
Pin battle array disk 14 is installed on the lower end of seal box 10, and the bottom surface for making suture needle battle array disk 14 is provided with sealed compartment, makes suture needle 12 in array
Shape, which is arranged in, to be made below suture needle battle array disk 14, and gas-distributing pipe 24 is connected with making suture needle 12 respectively, the connection gas transport of gas distributor 11
Pipe, slides polished rod 13 and is fixedly connected with seal box 10, and refering to Fig. 5, that slides polished rod 13 is internally provided with rotating fixing rod 26, rotation
The end for turning fix bar 26 is provided with external screw thread；The lifting that polished rod 13 can control gust disk is slided, required hole is manufactured in rock core
Gap.Internal rotating fix bar 26 is not simultaneously mobile with outside control-rod, can individually control rotating fixing rod 26 to be rotated, and revolves
Turn the bottom of fix bar 26 provided with external screw thread, can be after horizontal wellbore mould 25 reaches ad-hoc location by rotating fixing rod 26
It is set to be linked together with horizontal wellbore mould 25.Seam control system 6 is made by control line respectively with making suture needle battle array disk 14, making seam
Pin 12 is connected.Colored gas storage tank 11 is delivered the gas to through gas delivery control system to be made in suture needle battle array disk 14, while electric
The control driving motor 19 of machine control system 20 drives slip polished rod 13 descending, and gas is made into suture needle 12 and is inserted into core material,
And core material is inflated by gas delivery control system, quickly extracted after inflation, tool is formd in core material
There is the porous dehiscence gap of Gas-bearing Characteristics.
Horizontal well mould embedded system includes horizontal wellbore mould mounting groove 27, telescopic mould with reference to shown in Fig. 2, Fig. 3
Fixing device 28, sliding-type gate 29, horizontal wellbore mould 25, sliding-type gate 29 are arranged on the side wall of rock mass mould 7
Place, sliding-type gate 29 controls it to be displaced sideways by sliding-type gate control panel 31；Horizontal wellbore mould mounting groove 27 is set
In in the side of rock mass mould 7 and sliding-type gate 29 is enclosed in, horizontal wellbore mould mounting groove 27 is held to initial stage
Horizontal wellbore mould is carried, is fixed up, is isolated by sliding-type gate 29 by telescopic die fixture 28.Telescopic mould
Fixing device 28 is main to fix horizontal wellbore mould 25, and control when needing by expansion link, and mould is pushed away
Enter rock mass manufacturing system, control the lower end of rotating fixing rod 26 to connect with horizontal wellbore vertical section upper end screw thread by making seam control system 6
Connect；Telescopic die fixture 28 is controlled by expansion link control panel 30, can be extrapolated, shunk, clamped, unclamping four kinds of behaviour
Make.
As shown in figure 4, horizontal wellbore mould 25 is hollow square curved tube, the end of horizontal segment is shut, and prevents note
Enter liquid after fracturing fluid to flow out from bottom；There is internal thread vertical section upper end, connects with the lower end external screw thread screw thread of rotating fixing rod 26
Connect fixation；The different structures of circular aperture 32 are set according to demand around horizontal segment, and liquid enters saturating when being injected to fracturing fluid
Inside bright rock core, pressure break is carried out；Horizontal segment eyelet 32 is coated by masking foil 33 and sealed.When in rock core manufacturing process, rock is prevented
Core material enters in horizontal wellbore, causes fracturing experiments to fail.Horizontal wellbore horizontal segment eyelet 32 arranges adjustable with distribution.Hole
Eye size, eyelet arranging density can be set with adjusting with arrangement phase according to actual condition.Fracturing fluid can be easily during fracturing experiments
Tinfoil is broken through, fracturing fluid is entered in rock core.
Aerating device is connected with kinetic control system in rock mass, can voluntarily be moved up and down by kinetic control system control.
In rock core preparation process, rock mass mould 7 is assembled according to design requirement first, and will be close by vacuum suction device
The evacuating air sealed in rock mass mould 7.Then, agitating device is blended according to preordering method preparation rock core by core material
Material simultaneously will prepare the rock core that completes and prepare material batch and time be delivered to through conveying device and seal rock core mould by poly (methyl methacrylate) plate 9
In, gas is delivered in rock mass in aerating device with certain pressure by gas delivery control system, aerating device in rock mass
Suture needle 12 is made through different sizes colored gas is injected into inside core material, and by kinetic control system, due to high pressure injection
The effect of gas, has been internally formed with certain form in core material and has stored the hole crevice space of colored gas, horizontal well mould
Tool embedded system probes into mould in the rock core of rock mass mould 7, the porous dehiscence gap gassiness of formation and the tool of cylinder mould containing horizontal well 25, then
It is accelerated solidification by the control of temperature control system 22, the bubble formed after solidification is extracted out through vacuum suction device.
The present invention is to make a kind of transparent rock core for possessing porous dehiscence gap structure feature, and can pass through this rock core simulation water
The method and device of horizontal well section seam net pressure break feature.
The device that above-mentioned preparation includes the transparent rock core of porous dehiscence gap and net horizontal section prepares rock core method：
Under sealed conditions, during core sample is manufactured, seam control system 6 is made by making suture needle 14 groups of disk of battle array
Close out required pore morphology, make the suture needle battle array upper end of disk 14 and gas delivery control system is connected by gas pipeline, gas from
Gas pipeline injects core sample by making suture needle 12, forms microscopic void；After rock core makes to a certain degree, the insertion of horizontal well mould
Mould is probeed into rock mass mould 7 by system, and is riveted together with the fix bar of making suture needle battle array disk 14 center, fixes water
Horizontal well cylinder mould tool 25, untill transparent rock core manufactures completion completely.
It is specific as follows：
The first step：The structure in rock core internal holes crack is analyzed, is simulated by natural core or Computer Numerical Simulation,
Core three-dimensional modeling, and grid division are carried out in computer；Analog result be output to make seam control system 6, gas control system,
Core material hybrid control system；
Second step：Epoxy resin and curing agent are selected, proportioning encapsulation is carried out with raw material are compared according to experiment；
3rd step：Agitating device is blended by material to be stirred raw material according to ratio requirement, and passes through respective tube
Line sends into the raw material after the blending of preparation in rock mass mould 7；
4th step：According to analogue data, it is adapted to make suture needle 12 according to analogue data selection, makes suture needle battle array disk 14；
5th step：Operational outfit, which starts from aerating device in test core, kinetic control system control rock mass, to be made to make seam
Pin 12 is descending, and gas inflated is made suture needle 12 and is inserted into transparent rock mass, and gas delivery control system implements colored gas conveying pair
Carry out being filled with colored gas in rock mass, inflation will quickly make suture needle 12 after terminating and extract, and form gassiness porous dehiscence gap knot in rock mass
Structure, can reflect porous dehiscence gap structure by the colored gas in stomata crack, and rock core is prepared into horizontal wellbore mould mounting groove 27
Automatic pause behind bottom；
6th step：Sliding-type gate 29 is opened, controlled level pit shaft mould 25 enters rock mass mould 7, is revolved after alignment
Dynamic rotating fixing rod 26, fixed horizontal wellbore mould 25, withdraws telescopic die fixture 28, closes sliding-type lock after release
Door 29, continues starting device, the making of transparent rock core is completed by computer, and detected by detection device；
7th step：By vacuum suction device to being vacuumized in rock mass mould 7, it is ensured that transparent rock mass is being formed
During not by external influence；
8th step：Rock mass mould 7 is heated or cooled by temperature control system 22, transparent rock mass is realized
Rapid solidification, being formed has the transparent rock mass of the gassiness of hole fracture water flow and net horizontal section.
Claims (7)
1. a kind of device for preparing the transparent rock core for including porous dehiscence gap and net horizontal section, it is characterised in that：It is this to include porous dehiscence gap
And the transparent core preparing device of net horizontal section include core preparing device, aerating device in rock mass, gas delivery control system,
Kinetic control system, horizontal well mould embedded system, vacuum suction device, temperature control system（22）, gas conveying control system
System connects aerating device in rock mass by gas delivery tube, and kinetic control system passes through rotary screw（17）Polished rod is slided in connection
（13）, aerating device is placed in rock mass mould in rock mass（7）In, vacuum suction device connection rock mass mould（7）, temperature
Control system（22）Connect water bath（8）；Core preparing device includes classification raw material storage container（1）, blending agitating device,
Delivery controller（5）, rock mass mould（7）, water bath（8）, it is classified raw material storage container（1）Difference is contained comprising several
The storage container of raw material, each storage container is pooled to main pipe line by being classified pipeline, and main pipe line extend into blending agitating device
In, it is in charge of on line for every and flow control valve is set, the outlet of blending agitating device connects rock mass mould by feed-line
（7）, delivery controller is set on the feed-line（5）, rock mass mould（7）It is by four blocks of transparent high rigidity lucite
Plate（9）The seal case assembled, rock mass mould（7）It is placed in water bath（8）In；Aerating device is by seal box in rock mass
（10）, gas distributor（11）, make suture needle（12）, slide polished rod（13）Constitute, gas distributor（11）It is arranged on seal box
（10）Center, gas distributor（11）Gas-distributing pipe（24）Positioned at seal box（10）It is interior, make suture needle battle array disk（14）It is installed on close
Jacket（10）Lower end, make suture needle battle array disk（14）Bottom surface be provided with sealed compartment, make suture needle（12）It is arranged in and makes in array-like
Suture needle battle array disk（14）Below, gas-distributing pipe（24）Respectively with making suture needle（12）Connection, gas distributor（11）Connect gas delivery tube,
Slide polished rod（13）With seal box（10）It is fixedly connected, slides polished rod（13）Be internally provided with rotating fixing rod（26）, rotation
Fix bar（26）End be provided with external screw thread；Seam control system is made by control line respectively with making suture needle battle array disk（14）, make seam
Pin（12）Connection；The raw material for preparing visualization rock core are made up of epoxy resin and curing agent；Horizontal well mould embedded system bag
Include horizontal wellbore mould mounting groove（27）, telescopic die fixture（28）, sliding-type gate（29）, horizontal wellbore mould
（25）, sliding-type gate（29）Installed in rock mass mould（7）Side-walls, horizontal wellbore mould mounting groove（27）It is arranged at
Rock mass mould（7）Side and by sliding-type gate（29）In being enclosed in, horizontal wellbore mould（25）For hollow square
Curved tube, the end of the horizontal segment of horizontal wellbore mould is shut, and there is the internal thread coordinated with rotating fixing rod vertical section upper end,
Horizontal segment surrounding is distributed the circular aperture of out of phase（32）, circular aperture（32）Use masking foil（33）Sealing；Telescopic mould
Fixing device（28）Fix in horizontal wellbore mould（25）Vertical section at, horizontal wellbore mould（25）It is solid by telescopic mould
Determine device（28）It is moved to relevant position；Rotating fixing rod（26）Lower end external screw thread and spiral shell in horizontal wellbore mould vertical section upper end
Line screwed connection, and control rotating fixing rod by making seam control system（26）, horizontal wellbore different azimuth is adjusted, level is realized
The arbitrary orientation arrangement of section pit shaft.
2. preparation according to claim 1 includes the device of the transparent rock core of porous dehiscence gap and net horizontal section, it is characterised in that：
Described sliding-type gate（29）By sliding-type gate control panel（31）Control it to be displaced sideways；Telescopic die fixture
（28）By expansion link control panel（30）Control, can be extrapolated, be shunk, being clamped, unclamping four kinds of operations, make the mistake of rock core
Controlled level pit shaft mould in journey（25）With making suture needle battle array disk（14）Center is combined.
3. preparation according to claim 2 includes the device of the transparent rock core of porous dehiscence gap and net horizontal section, it is characterised in that：
Described gas delivery control system is by gas storage tanks（15）, gas front pump, flow quantity control instrument, pressure controller, speed
Control valve is connected by respective lines and constituted, gas control operation system（16）Install in a computer, computer is connected respectively
Flow quantity control instrument, pressure controller, speed control valve, pass through gas flow control, control hole crack length.
4. preparation according to claim 3 includes the device of the transparent rock core of porous dehiscence gap and net horizontal section, it is characterised in that：
Described blending agitating device includes raw material stainless steel（3）, agitator（4）, controller, agitator（4）Pass through transmission device
Connect raw material agitator group（2）.
5. preparation according to claim 4 includes the device of the transparent rock core of porous dehiscence gap and net horizontal section, it is characterised in that：
Described kinetic control system is by rotary screw（17）, gearbox（18）, driving motor（19）, motion control stage, motor performance
System connection composition.
6. preparation according to claim 5 includes the device of the transparent rock core of porous dehiscence gap and net horizontal section, it is characterised in that：
Described temperature control system is by temperature sensor（21）, temperature controller, water bath（8）, temperature heating and cooling device connect
Connect composition.
7. a kind of device for the transparent rock core that porous dehiscence gap and net horizontal section are included using preparation as claimed in claim 6 carries out rock
Method prepared by the heart, it is characterised in that：
The first step：The structure in rock core internal holes crack is analyzed, by natural core simulation or Computer Numerical Simulation, is being calculated
Core three-dimensional modeling, and grid division are carried out in machine；Analog result, which is output to, makes seam control system（6）, gas control system, rock
Core material hybrid control system；
Second step：Epoxy resin and curing agent are selected, proportioning encapsulation is carried out with raw material are compared according to experiment；
3rd step：Agitating device is blended by material to be stirred raw material according to ratio requirement, and will by respective lines
Raw material feeding rock mass mould after the blending of preparation（7）In；
4th step：According to analogue data, it is adapted to make suture needle according to analogue data selection（12）, make suture needle battle array disk（14）；
5th step：Operational outfit, which starts from aerating device in test core, kinetic control system control rock mass, to be made to make suture needle
（12）Descending, gas inflated makes suture needle（12）It is inserted into transparent rock mass, gas delivery control system implements colored gas conveying
To carrying out being filled with colored gas in rock mass, inflation will quickly make suture needle after terminating（12）Extract, gassiness porous dehiscence is formed in rock mass
Gap structure, can reflect porous dehiscence gap structure by the colored gas in stomata crack, and rock core is prepared into the placement of horizontal wellbore mould
Groove（27）Automatic pause behind bottom；
6th step：Open sliding-type gate（29）, controlled level pit shaft mould（25）Into rock mass mould（7）, after alignment
Turn rotating fixing rod（26）, fixed horizontal wellbore mould（25）, telescopic die fixture is withdrawn after release（28）, closure
Sliding-type gate（29）, continue starting device, the making of transparent rock core completed by computer, and detected by detection device；
7th step：By vacuum suction device to rock mass mould（7）It is interior to be vacuumized, it is ensured that transparent rock mass was being formed
Not by external influence in journey；
8th step：Pass through temperature control system（22）To rock mass mould（7）It is heated or cooled, realizes transparent rock mass
Rapid solidification, being formed has the transparent rock mass of the gassiness of hole fracture water flow and net horizontal section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN105486581B (en) * | 2015-12-14 | 2018-06-08 | 聊城大学 | A kind of method of inverting rock prefabricated crack growth course |
| CN106018029B (en) * | 2016-06-15 | 2019-03-12 | 河南理工大学 | A kind of experimental provision and its experimental method making transparent rock mass cylinder sample |
| CN112196521B (en) * | 2019-06-19 | 2023-11-28 | 中国石油天然气股份有限公司 | Multi-dimensional monitoring device for fracture morphology of horizontal well |
| CN110821467B (en) * | 2019-10-09 | 2021-11-16 | 大港油田集团有限责任公司 | Pressure-resistant visual fracturing technology research experimental device |
| CN111855357B (en) * | 2020-08-04 | 2022-08-23 | 东北石油大学 | Device for simulating local brittleness characteristic functional fracturing rock core manufacturing and crack monitoring |
| CN113551956B (en) * | 2021-06-10 | 2023-06-06 | 重庆大学溧阳智慧城市研究院 | Full-automatic transparent soil material preparation test device and application method thereof |
| CN115901389B (en) * | 2022-03-07 | 2023-09-15 | 北京市市政工程研究院 | Method for forming cracks in concrete |
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| JP3770891B2 (en) * | 2003-10-09 | 2006-04-26 | 有限会社三谷原護商店 | Ultra fine imitation grass and woven fabric |
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| CN202560206U (en) * | 2012-04-29 | 2012-11-28 | 东北石油大学 | Well cementation cement sheath external-load extrusion damage dynamic measuring device |
| CN102749437B (en) * | 2012-07-24 | 2014-10-29 | 东北石油大学 | Method for researching fractal particle size of multistage fracturing propping agent and fracture characteristic parameter of rock mass |
| CN202837059U (en) * | 2012-09-13 | 2013-03-27 | 中国石油天然气股份有限公司 | Rock core artificial crack producing device |
| CN203420700U (en) * | 2013-09-05 | 2014-02-05 | 东北石油大学 | Measuring device for rock fracture steering simulation experiment |
| CN203396653U (en) * | 2013-09-05 | 2014-01-15 | 东北石油大学 | Dynamic monitoring device for external load deformation and crack extension of rock body |
| CN203629925U (en) * | 2014-01-06 | 2014-06-04 | 东北石油大学 | Rock core tension crack seam making machine |
| CN103712863B (en) * | 2014-01-07 | 2016-03-09 | 东北石油大学 | Based on the device and method of Study on Catastrophe Theory pressure break Rock Damage and crack propagation |
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