CN109357953A - A kind of rock core test device tested for three axis of high temperature and pressure and hydraulic fracturing - Google Patents
A kind of rock core test device tested for three axis of high temperature and pressure and hydraulic fracturing Download PDFInfo
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- CN109357953A CN109357953A CN201811406889.8A CN201811406889A CN109357953A CN 109357953 A CN109357953 A CN 109357953A CN 201811406889 A CN201811406889 A CN 201811406889A CN 109357953 A CN109357953 A CN 109357953A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0452—Cushioning layer between test piece and grip
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- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of for high temperature and pressure hydraulic fracturing and the rock core test device of triaxial test, by top tapered screw plug, dismantle via hole, O-ring seal, movable bolt circle, cylinder, top cushion block, resistive heater, cavity, rock sample, elastomer sleeve, bottom cushion block, Si Te envelope, axial plunger, axial thread guide rail, oil guiding hole, center water-guiding hole, condenser pipe, heat-barrier coating, exchange heat cooling chamber, servo hydraulic machine, bolt, restraint slot, high pressure four-way valve, hydraulic pamp, confining pressure pump, lifting controller, fuel tank, computer system and high-pressure ball valve are constituted.The experimental rig structure is simple, convenient disassembly, favorable sealing property, Ke Kuaisugenghuan rock core, different rock core mechanical property tests can be carried out under various temperature, pressure condition according to scientific research, production requirement, including is tested for rock core triaxial test and hydraulic fracturing, efficient work is reliable.
Description
Technical field
The present invention relates to a kind of experimental rigs, and in particular to a kind of to try for three axis of high temperature and pressure and the rock core of hydraulic fracturing
Experiment device.
Background technique
Hot dry rock has many advantages, such as that reserves are big, has a very wide distribution, cleanliness without any pollution, as a kind of emerging energy
Widely cause the concern of scientific research personnel.But because hot dry rock buried depth is big, reservoir permeability is low, crustal stress is high, so that
The thermal energy exchange of hot dry rock becomes complicated.Therefore, it generally requires to carry out reservoir stimulation, i.e., by drilling to deep hot dry rock rock
Body injects high-pressure fluid, makes crack that failure by shear or pulling damage occur, so as to form opening width is bigger, fracture radius is longer,
The higher artificial reconstructed reservoir of permeability improves deep hot dry rock thermal energy production efficiency.However, if wanting to further elucidate deep
Failure mechanism under the hydraulic fracturing mechanism and triaxial state of stress of rock mass, it is necessary to carry out indoor simulation high-temperature high pressure water and force
It splits and triaxial core is tested, to obtain rock core items physical-property parameter, reflect that the correlation of deep subterranean body is special with this
Property.Corresponding experimental rig is developed in succession for carrying out simulation test as a result,.
Currently, hydraulic fracturing and triaxial test for simulation core under high-temperature and high-pressure conditions, key technology are to try
The leakproofness and convenience of experiment device.The leakproofness of experimental rig is related to the accuracy of simulated high-pressure condition, and leakproofness is good
Experimental rig be not only able to satisfy the pressure condition of deep subterranean body, but also can improve test completion efficiency;Due to test
The high temperature and pressure requirement of condition, the convenience of experimental rig are largely restricted, and should consider high temperature resistant, again
Consider high pressure resistant, so that most of correlation test instrument removal process is complicated, high temperature oil is long cooling time, and the test period is slow.
For this reason, it is necessary to design one kind, efficiently, efficiently high temperature and pressure rock core test device works to complete dependence test.
Summary of the invention
The object of the invention is that in view of the above shortcomings of the prior art, is provided a kind of for three axis of high temperature and pressure and waterpower
The rock core test device of pressure break is, it can be achieved that rock core test sample quick-replaceable, the rapid cooling of high temperature oil body, shorten rock core test
Period improves working efficiency, completes rock center three-axle and hydraulic fracturing experimental test under high-temperature and high-pressure conditions according to demand.
The purpose of the present invention is what is be achieved through the following technical solutions:
It is a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, by top tapered screw plug, disassembly
Via hole, O-ring seal, movable bolt circle, cylinder, top cushion block, resistive heater, cavity, rock sample, elastomer set
Cylinder, this special envelope, axial plunger, axial thread guide rail, oil guiding hole, water-guiding hole, condenser pipe, heat-barrier coating, changes bottom cushion block
Hot cooling chamber, servo hydraulic machine, bolt, restraint slot, high pressure four-way valve, hydraulic pamp, confining pressure pump, lifting controller, fuel tank, meter
Calculation machine system and high-pressure ball valve are constituted.
The screw plug, cylinder and axial plunger surround cavity, are full of dimethicone in cavity.Screw plug is logical
It crosses tapered thread to connect with cylinder, specially screw plug surrounding pours four restraint slots, and movable bolt circle is matched by interference
Conjunction is nested on cylinder, and cooperates beam slot to constrain screw plug by four coupled bolts.Disassembly via hole is cast in
On screw plug.Screw plug blocks on cavity top, and center is equipped with the water-guiding hole being connected with high-pressure ball valve, to provide
Water pressure passage and export water flow.Edge oil guiding hole has also poured disassembly via hole thereon;High-pressure ball valve respectively with hydraulic pressure
Pump is connected with fuel tank, fuel tank also with condenser pipe and to connect the high pressure four-way valve that confining pressure pumps connected.The condenser pipe is coil pipe, directly
Diameter existsBetween, be connected in heat exchange cooling chamber, connect by pipeline with cylinder in a ring, allow in cylinder oil liquid into
Enter and is cooled down into condenser pipe.
It is set on the cylinder top horizontal table top there are two O-shaped rubber ring, lower openings inner ring wall surface is equipped with double fitted shaft
This spy's envelope of cavity lower part is blocked to plunger, is equipped with resistive heater in cylinder, is arranged in cylinder by multiple rows of quincuncial pile formula
Interior, resistive heater is connected with temperature sensor.Cylinder pumps phase with screw thread axial guidance, condenser pipe, hydraulic pamp and confining pressure respectively
Even.Confining pressure pump, hydraulic pamp are connected with pressure sensor respectively.The cylinder is made of the rigid material of big rigidity, and lower port is equipped with four
A evagination block, block center are equipped with threaded hole, and cylinder is connected on axial thread guide rail by threaded hole, and cylinder passes through axis
Rise and fall are controlled to thread guide rail.Axial thread guide rail top is equipped with convex block, and has four big rigidity guide rail column, wherein right
Two, angle is threaded post, and in addition cornerwise two are constraint column.
The axial plunger and servo hydraulic machine control connect, and control rise and fall by servo hydraulic machine, and to rock sample
Apply axial compressive force, axial plunger is connected with displacement sensor, and axial plunger displacement is controlled by displacement sensor.Servo-fluid
Press is externally provided with the heat-barrier coating being made of asbestos, is annularly tightly attached to the cooling chamber interior walls of heat exchange.
Elastomer sleeve is equipped in the cavity, built with the top cushion block and axial columns fixed with screw plug
Fill in fixed bottom cushion block and the rock sample between top cushion block and bottom cushion block.Top cushion block both ends center is set
There is convex pipe, the convex tube top end in top is convex equipped with ball, and ball nonreentrant surface has cone seal cap, and is connected to bottom pad by high strong spring
On block upper mounting plate face, set on upper mounting plate face there are two O-ring, the convex pipe in top is embedded in screw plug lower end, and the convex pipe pipe shaft in lower part is set
There are two O-rings, and are embedded in rock sample axle center.Bottom cushion block lower part connects convex pipe, and baltimore groove is arranged at top, and filtering gasket is embedding
It covers in the cushion block body of bottom.Fill sample according to top cushion block, rock sample, bottom cushion block sequence cuff in elastomer sleeve, and
It is integrally placed to inside cavity.O-shaped rubber ring is embedded in the twice circular groove on cylinder top horizontal table top;Si Te envelope is embedding
Enter in the twice circular groove on cylinder lower ending opening inner wall;O-shaped rubber ring, tapered thread, this spy's envelope are sealing dress
It sets.
The resistive heater, confining pressure pump, hydraulic pamp and the lifting controller point with the control connection of screw thread axial guidance
It is not connected with computer.Pipeline controls open and close by high-pressure ball valve;Hydraulic pamp, confining pressure pump respectively to rock sample provide hydraulic pressure with
Confining pressure, and payload is controlled by sensor.
Further, the disassembly via hole can be inserted into rodlike disassembly equipment, open or close top cone to increase torque
Shape screw plug.
Further, the screw thread axial guidance is diagonally distributed, and there is convex block on guide rail top, and constraint cylinder moves up,
And reaction force is provided for cylinder.
Further, the axial plunger amount of movement has certain limit, to prevent from being detached from this spy's envelope.
Further, the cavity length has a certain range, and it can be a variety of differences that range size is determined by axial plunger
Length core sample provides test.
Further, the top cushion block, top cushion block can be replaced according to different tests.
Further, rock sample is cylindric test specimen, can use the rectangular rock sample of small scale under conditions of replacement cushion block.
Further, using portable between condenser pipe and cylinder, between confining pressure pump and cylinder, between hydraulic pamp and cylinder
The connection of high temperature and pressure hose, is connected between fuel tank and high pressure four-way valve using conventional hoses.
Compared with prior art, the beneficial effects of the present invention are: 1, using tapered screw plug, this rock core test device
It is simple in construction, easy to disassemble and assemble.2, using axial thread guide rail, fast lifting cylinder is realized.3, it is cooled down using condenser pipe and heat exchange
The test period is greatly shortened in room cooperation, rapid condensation high temperature oil body, improves test efficiency.4, using movable bolt circle,
Angle is constrained convenient for adjusting.5, axial plunger elevating control cylinder height is used, the rock core within the scope of certain length can be tested
Test specimen meets diversified test request.6, top cushion block, bottom pad component are used, replacing different cushion blocks can test
Two kinds or more the test specimens with regular shape, especially cylindrical body and square coupons.
Detailed description of the invention
Fig. 1 is a kind of rock core test device main view diagrammatic cross-section that can be used for three axis of high temperature and pressure and hydraulic fracturing;
Fig. 2 is the stereoscopic schematic diagram of thread guide rail device;
Fig. 3 is the top view of top tapered screw plug;
Fig. 4 is the floor map of movable bolt circle;
Fig. 5 is the structural schematic diagram of top cushion block;
Fig. 6 is the structural schematic diagram of bottom cushion block;
Fig. 7 is the top view of the arrangement of condenser pipe;
Fig. 8 is the part plan expanded view of condenser pipe;
In figure: 1. screw plugs 2. dismantle movable 5. cylinder of bolt circle, 6. top of via hole 3.O type rubber ring 4.
This spy's 13. axis of envelope of 10. elastomer sleeve of cushion block 7. resistive heater, 8. cavity, 9. rock sample, 11. bottom cushion block 12.
To 18. condenser pipe of plunger 14. axial thread guide rail, 15. oil guiding hole, 16. water-guiding hole, 17. high-pressure ball valve, 19. thermal insulation protection
20. heat exchange 21. 24. high pressure four-way valve of servo hydraulic machine 22- 23. restraint slot of bolt of cooling chamber, 25. hydraulic pamp 26. of layer
Confining pressure pumps the high strong spring 32.O type circle of 27. lifting controller, 28. fuel tank, 29. computer system, 30. cone seal cap 31.
33. filtering 34. baltimore groove of gasket.
Specific embodiment
Below by the attached drawing in present example, technical solution in the embodiment of the present invention is described, it is clear that is retouched
The embodiment stated is only a part of case study on implementation of the invention, rather than entirely embodiment.Based on implementation of the invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
As shown in Figure 1, 2, a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, including top tapered
Screw plug 1, disassembly via hole 2, O-shaped rubber ring 3, movable bolt circle 4, cylinder 5, top cushion block 6, resistive heater 7,
Cavity 8, elastomer sleeve 10, bottom cushion block 11, this spy's envelope 12, axial plunger 13, axial thread guide rail 14, is led at rock sample 9
Oilhole 15, water-guiding hole 16, high-pressure ball valve 17, condenser pipe 18, heat-barrier coating 19, heat exchange 20 servo hydraulic machine 21 of cooling chamber, spiral shell
Bolt 22, restraint slot 23, high pressure four-way valve 24, hydraulic pamp 25, confining pressure pump 26, lifting controller 27, fuel tank 28 and computer system
29.Top tapered screw plug 1 is connected on cylinder 5 by movable bolt circle 4 and tapered thread;Cylinder 5 passes through thread spindle
Direction guiding rail 14 connects, and limits maximum displacement by the convex block on 14 top of screw thread axial guidance;Rock sample 9 by top cushion block 6 with
The common stress of bottom cushion block 11 clamps, and applies axial compressive force to it with axial plunger 13, and movement oil liquid, which applies it, to be enclosed
Pressure;Fuel tank 28 is connected to high-pressure ball valve 17 by hose, to 8 oil-filling of cavity;High pressure four-way valve 24 opens confining pressure valve, closes
Delivery valve connects confining pressure pump 26 by high-pressure hose and carries out pressurization or release;High-temperature oil liquid is from cavity 8 through high-pressure ball valve 17
Flow into condenser pipe 18;High-pressure ball valve 17 connects hydraulic pamp 21, applies hydraulic pressure to rock sample by center water-guiding hole 16;Adding thermal resistance
7 connection of silk controls heating oil liquid to computer system 29, and with this by connection.
As shown in figure 3,1 surrounding of screw plug is poured, there are four restraint slots 23, constrain axial direction to fitted bolt 22
Displacement;
As shown in figure 4, the connection of movable bolt circle 4 is there are four bolt 22, fiting constraint slot 23 constrains screw top
Plug 1;
As shown in figure 5, the 6 both ends center of top cushion block is equipped with convex pipe, the convex tube top end in top is convex equipped with ball, ball nonreentrant surface
There is a cone seal cap 30, and be connected on the 6 upper mounting plate face of cushion block of top by high strong spring 31, sets that there are two O on upper mounting plate face
Type circle 32, the convex pipe in top are embedded in 1 lower end of screw plug, and the convex pipe pipe shaft in lower part sets that there are two O-rings 32, and is embedded in 9 axis of rock sample
The heart, to implement hydraulic fracturing test.
As shown in fig. 6,11 lower part of bottom cushion block connects convex pipe, baltimore groove 34 is arranged at top, and filtering gasket 33 is nested in
In 11 body of bottom cushion block, and water flow is collected by filter hole;
As shown in Figure 7,8, the condenser pipe 18 is coil pipe, is annularly placed in cooling chamber 20, cooling chamber 20 passes through water flow
Cooling condenser pipe.
Embodiment 1
Hydraulic fracturing embodiment
Step 1, rock core is processed, it is cylindric for cutting machining rock core by rock sample, and axle center is with certain depth
Water-guiding hole;
Step 2, rock core clamping is carried out outside cavity 8, places top cushion block 6, rock respectively according to the sequence of upper, middle and lower
Sample 9, bottom are padded 11 pieces, and are covered in elastomer sleeve 10, and sleeve upper and lower side is sealed using device is closed;
Step 3, cooperate disassembly via hole 2 using rodlike device, rotary top tapered screw plug 1 opens 5 top of cylinder
Opening;
Step 4, computer system 9 is opened, lifting controller 27 is controlled, declines cylinder 5 along screw thread axial guidance 14,
Until 13 top of axial plunger rises to 5 opening of cylinder;
Step 5, convex pipe under the bottom cushion block 11 of elastomer sleeve 10 for completing clamping is inserted into water-guiding hole 16, Gu
Determine sample;
Step 6, rise cylinder 5 to extreme position, tighten top tapered screw plug 11, rotary moveable formula bolt circle 4 is right
Its restraint slot finally tightens bolt 22;
Step 7, start servo hydraulic machine 21, pressure sensor is connected by computer 29 and controls pressure size, impeller-hub
It is moved upwards to plunger 13, rock core is previously applied certain axial compressive force.
Step 8, fuel tank 28 is connected to high-pressure ball valve 3. 17 and high pressure four-way valve 24 with hose, through fuel tank 28 to high-pressure ball valve
3. 17 oil inlets, fuel-displaced by high pressure four-way valve 24, until cavity is completely filled with oil liquid;
Step 9, other high-pressure ball valves are closed, the delivery valve of high pressure four-way valve 24 is closed, connect the power supply of resistive heater 7
Oil liquid is heated, and controls heating temperature to experimental temperature using computer 29, heating operation can not be executed under normal temperature condition.
Step 10, confining pressure valve is opened, applies confining pressure to cavity using computer system confining pressure pump 26;
Step 11, high pressure four-way valve 24 is closed, connection penstock to hydraulic pamp 25 and high-pressure ball valve 4. 17 utilizes hydraulic pamp
25 apply hydraulic pressure to rock sample 9, until rock sample 9 destroys;
Step 12, after the completion of test, the confining pressure valve of high pressure four-way is opened, pump is moved back using confining pressure pump 26 and sheds confining pressure to normal
Pressure;
Step 13, connection high temperature hose is to condenser pipe 18, opens high-pressure ball valve 2. 17, high-temperature oil liquid is allowed to enter condenser pipe
18, fuel tank 28 is returned after cooling in condenser pipe 18;
Step 14, top tapered screw plug 11 is opened, cylinder is declined, takes out rock sample, data is handled, carries out next rock sample
Test.
Embodiment 2
Three axis embodiment of high temperature and pressure
Common cushion block is replaced, is not required to apply hydraulic pressure, step repeats the hydraulic fracturing embodiment step, utilizes servo-hydraulic
Until machine 21 pushes axial plunger 13 to apply pressure to the destruction of rock sample 9.
Claims (10)
1. a kind of rock core test device tested for three axis of high temperature and pressure and hydraulic fracturing, it is characterised in that: including by taper
The cavity (8) that screw plug (1), the cylinder (5) connecting with screw plug (1) and axial plunger (13) surround, cavity (8) are interior
Full of dimethicone;
The screw plug (1) blocks on cavity (8) top, and center is equipped with the water-guiding hole being connected with high-pressure ball valve (17)
(16), edge oil guiding hole (15) have also poured disassembly via hole (2) thereon;High-pressure ball valve (17) respectively with hydraulic pamp
(25) be connected with fuel tank (28), fuel tank (28) also with condenser pipe (18) and connect confining pressure pump (26) high pressure four-way valve (24) phase
Even;
It is set on cylinder (5) the top horizontal table top there are two O-shaped rubber ring (3), lower openings inner ring wall surface is equipped with double cooperation
Axial plunger (13) blocks this spy's envelope (12) of cavity (8) lower part, is equipped with resistive heater (7) in cylinder (5);Cylinder (5) point
It is not connected with screw thread axial guidance (14), condenser pipe (18), hydraulic pamp (25) and confining pressure pump (26);
The axial plunger (13) and servo hydraulic machine (21) control connect;
Elastomer sleeve (10) are equipped in the cavity (8), built with the top cushion block (6) fixed with screw plug (1),
Fixed bottom cushion block (11) and the rock sample between top cushion block (6) and bottom cushion block (11) with axial plunger (13)
(9);
The resistive heater (7), confining pressure pump (22), hydraulic pamp (25) and the liter with screw thread axial guidance (14) control connection
Drop controller (27) is connected with computer (29) respectively.
2. according to claim 1 a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, feature
Be: screw plug (1) surrounding pours four restraint slots (23), and movable bolt circle (4) is nested in by interference fit
On cylinder (5), and pass through coupled four bolts (22) cooperation beam slot (23) constraint screw plug (1).
3. according to claim 1 a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, feature
Be: the cylinder (5) is made of the rigid material of big rigidity, and lower port is set there are four evagination block, and block center is equipped with threaded hole,
Cylinder (5) is connected on axial thread guide rail (14) by threaded hole.
4. according to claim 3 a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, feature
Be: axial thread guide rail (14) top is equipped with convex block, and has four big rigidity guide rail column, wherein diagonal two are screw thread
Column, in addition cornerwise two are constraint column.
5. according to claim 1 a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, feature
Be: the resistive heater (7) is arranged in cylinder (5) by multiple rows of quincuncial pile formula.
6. according to claim 1 a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, feature
Be: the axial plunger (13) is connected with displacement sensor, confining pressure pump (22), hydraulic pamp (25) respectively with pressure sensor phase
Even, resistive heater (7) is connected with temperature sensor.
7. according to claim 1 a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, feature
Be: top cushion block (6) the both ends center is equipped with convex pipe, and the convex tube top end in top is convex equipped with ball, and ball nonreentrant surface has cone seal
Cap (30), and be connected on cushion block (6) the upper mounting plate face of top by high strong spring (31), it is set on upper mounting plate face there are two O-ring
(32), the convex pipe in top is embedded in screw plug (1) lower end, and the convex pipe pipe shaft in lower part sets that there are two O-ring (32), and is embedded in rock sample (9)
Axle center.
8. according to claim 1 a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, feature
Be: the condenser pipe (18) is coil pipe, and diameter existsBetween, it is connected in heat exchange cooling chamber (20) in a ring.
9. according to claim 1 a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, feature
Be: bottom cushion block (11) lower part connects convex pipe, and top has baltimore groove (34), and filtering gasket (33) is nested in bottom cushion block
(11) in vivo.
10. according to claim 1 a kind of for three axis of high temperature and pressure and the rock core test device of hydraulic fracturing, feature
Be: the servo hydraulic machine (21) is externally provided with the heat-barrier coating (19) being made of asbestos, is annularly tightly attached to heat exchange cooling
Room (20) inner wall.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020258207A1 (en) * | 2019-06-24 | 2020-12-30 | 东北大学 | Fast-rotating opening-type high-pressure rock triaxial pressure chamber having loading structure |
CN113109164A (en) * | 2020-09-22 | 2021-07-13 | 东北大学 | Experimental device and method for high-temperature high-pressure large-deformation seepage coupling test of soft rock |
CN113281191A (en) * | 2021-05-25 | 2021-08-20 | 中国科学院武汉岩土力学研究所 | High-low temperature fracturing test device and test method based on same |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014016306A (en) * | 2012-07-11 | 2014-01-30 | Nippon Steel & Sumitomo Metal | Airtightness evaluation test apparatus for oil well pipe joint |
CN107290226A (en) * | 2017-08-06 | 2017-10-24 | 吉林大学 | A kind of liquid nitrogen refrigerating erecting device for true triaxial hydraulic fracturing simulated experiment |
CN107796694A (en) * | 2017-09-27 | 2018-03-13 | 中南大学 | A kind of high temperature triaxial core hydraulic fracture clamper and its application method |
CN207192692U (en) * | 2017-05-17 | 2018-04-06 | 漳浦新时代农业开发有限公司 | A kind of novel high-precision hoistable platform structure |
CN108801778A (en) * | 2018-07-13 | 2018-11-13 | 华东交通大学 | A kind of three-axis tester core holding unit |
CN209784080U (en) * | 2018-11-23 | 2019-12-13 | 吉林大学 | rock core test device for high-temperature high-pressure triaxial and hydraulic fracturing tests |
-
2018
- 2018-11-23 CN CN201811406889.8A patent/CN109357953A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014016306A (en) * | 2012-07-11 | 2014-01-30 | Nippon Steel & Sumitomo Metal | Airtightness evaluation test apparatus for oil well pipe joint |
CN207192692U (en) * | 2017-05-17 | 2018-04-06 | 漳浦新时代农业开发有限公司 | A kind of novel high-precision hoistable platform structure |
CN107290226A (en) * | 2017-08-06 | 2017-10-24 | 吉林大学 | A kind of liquid nitrogen refrigerating erecting device for true triaxial hydraulic fracturing simulated experiment |
CN107796694A (en) * | 2017-09-27 | 2018-03-13 | 中南大学 | A kind of high temperature triaxial core hydraulic fracture clamper and its application method |
CN108801778A (en) * | 2018-07-13 | 2018-11-13 | 华东交通大学 | A kind of three-axis tester core holding unit |
CN209784080U (en) * | 2018-11-23 | 2019-12-13 | 吉林大学 | rock core test device for high-temperature high-pressure triaxial and hydraulic fracturing tests |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020258207A1 (en) * | 2019-06-24 | 2020-12-30 | 东北大学 | Fast-rotating opening-type high-pressure rock triaxial pressure chamber having loading structure |
US11320352B2 (en) | 2019-06-24 | 2022-05-03 | Northeastern University | Rapid rotation opening type high-pressure rock triaxial pressure chamber with loading structure |
CN113109164A (en) * | 2020-09-22 | 2021-07-13 | 东北大学 | Experimental device and method for high-temperature high-pressure large-deformation seepage coupling test of soft rock |
CN113281191A (en) * | 2021-05-25 | 2021-08-20 | 中国科学院武汉岩土力学研究所 | High-low temperature fracturing test device and test method based on same |
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