CN109115625A - A kind of shale hydration dynamic changes of strength variation test new equipment - Google Patents
A kind of shale hydration dynamic changes of strength variation test new equipment Download PDFInfo
- Publication number
- CN109115625A CN109115625A CN201811165147.0A CN201811165147A CN109115625A CN 109115625 A CN109115625 A CN 109115625A CN 201811165147 A CN201811165147 A CN 201811165147A CN 109115625 A CN109115625 A CN 109115625A
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- jaw
- rock sample
- fixture
- control
- control handle
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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
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- 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
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
-
- 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
-
- 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
-
- 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
- G01N2203/0236—Other environments
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention is a kind of shale hydration dynamic changes of strength variation test new equipment, it is made of cross swivel vice and rock sample fixture.Cross swivel vice is made of pedestal, 360 degree rotation dial, three movable control handles, activity and regular jaw, fixed screw.The 360 degree rotation dial can allow the flat-nose pliers for entirely clipping rock sample to be rotated by 360 ° along pedestal, and three movable control handles can control moving jaw size and jaw all around moves.Fixture, which may be split into two middles, can place rock sample, be locked together by four removable long screws.The device is placed in experimental machine, one layer of liquid film is kept by titrating any drilling fluid on rock sample end face, any point intensity on different hydration time end faces can be tested, to evaluate the dynamic change of rock sample aquation intensity.Advantages of the present invention: real-time testing shale hydration intensity, test is simple, and dismounting is simple, reduces and uses rock sample quantity and experimental period, cheap.
Description
Technical field
The present invention relates to a kind of shale hydration dynamic changes of strength to change test new equipment.
Background technique
Water-lithofacies interaction (WRI) this noun hydrogeochemistry famous by the former Soviet Union the 1950s
One of founder of section A.M. О B ч и н н и к o B is proposed.Water lithofacies interaction is geotechnical engineering and engineering geology field basis
Subject, the final effect of aquation interaction are that the physico-mechanical properties of rock mass deteriorate.During drilling well, especially
Hydration swelling effect will occur for mud shale stratum, in strata pressure and overlying rock pressure Yi Dan contacted with water-base drilling fluid
Swelling stress is generated under the constraint of power, rock strength reduces, and borehole wall stability decline is easy to happen borehole well instability accident.And well
Wall unstability is most complicated in oilfield exploitation procedure and spends highest accident.
Summary of the invention
The invention aims to overcome the shortcomings of the existing mud shale sample aquation dynamic changes of strength variation measuring technology in laboratory,
A kind of novel test device has been invented, it is convenient to use, time saving and energy saving, it can be reduced experimental period and cost.
The technical scheme adopted by the invention is that:
The present invention is a kind of shale hydration dynamic changes of strength variation test new equipment, mainly by a cross swivel vice
It is formed with rock sample fixture.Wherein cross swivel vice be by pedestal, 360 degree rotation dial, three movable control handles,
Moving jaw, regular jaw composition.The 360 degree rotation dial can control the fixture entirety that entire flat-nose pliers clamps rock sample
360 degree are rotated at random along pedestal, and the one of control moving jaw size of three movable control handles, other two can be with
Control jaw is all around moved with fixture rock sample.Fixture is a square (10 centimetres of side length) one cylinder of middle cut away
The copper billet of (10 centimetres of 5 cm height of diameter), it is to be split into two halves to be locked together by four removable long screws from centre.
The fixture for clamping rock sample is placed in cross swivel vice moving jaw and is placed in experimental machine, by rock sample end face
Any drilling fluid is titrated to be allowed to keep one layer of liquid film, it can be with any point on real-time testing difference hydration time rock sample end face
Dynamic change intensity.
Advantages of the present invention: the variation of real-time testing shale hydration dynamic changes of strength, convenient test is quick, and dismounting is simple, energy
It reduces and uses rock sample quantity and experimental period, it is cheap.
Detailed description of the invention
Fig. 1 is that a kind of structure that shale hydration dynamic changes of strength variation test new equipment is whole in experimental machine of the present invention is shown
It is intended to.
Fig. 2 is a kind of structural schematic diagram of shale hydration dynamic changes of strength variation test new equipment of the present invention.
Fig. 3 is Fig. 2 upper fixture structural schematic diagram.
Fig. 4 is cross swivel vice structural schematic diagram on Fig. 2.
In figure: 1. loaded displacement pickups, 2. pressing molds, 3. rock sample aquation strength test new equipments, 4. sample stages, 5. activities
Crossbeam, 6. rotary shafts, 7. hydraulic pumps, 8. pedestals, 9. computer function recording instruments, 10. copper billets, 11. long screws, 12. moving jaws
Control handle, 13. moving jaws, 14. regular jaws, 15. jaw left and right moving control handles, 16.360 degree of rotation scales,
17. pedestal, 18. jaws are moved forward and backward control handle.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of shale hydration dynamic changes of strength variation test new equipment of the present invention, is mainly pressed from both sides by Fig. 3
Tool and Fig. 4 cross swivel vice composition.Wherein fixture Fig. 3 is mainly by 10 centimetres of side length of square copper billet 10 from middle cut away
The cylinder of 10 centimetres of 5 cm height of diameter forms, and wherein Fig. 3 fixture is split into two halves from centre, by 5 cm height 10 of diameter
The rock sample column of centimetre circumference side waxdip, which is put into after fixture, to be used four root long screws 11 lock to be assembled into an entirety, only need
Expose the upper surface of rock sample, guarantee after long screw locking drilling fluid of the drop on rock sample end face will not seepage flow soaked to rock sample side
Bubble.The fixture 3 for installing rock sample is put into the moving jaw 13 on Fig. 4 cross swivel vice, hand is controlled by moving jaw
Handle 12 is by clamp.Moved cross beam 5 is gone up and down by the hydraulic pump 7 that control figure 1 tests 8 the inside of machine base to move up in rotary shaft 6
It is dynamic, sample stage 4 is elevated to the suitable distance between pressing mold 2, wherein the position of pressing mold 2 is to be fixed on loaded displacement pickup
It is immovable on 1.In the sample stage that the fixture overall diagram 2 that cross swivel vice clamps rock sample is put into experimental machine Fig. 1 again
On 4.Preceding dropper is tested in experiment and titrates one layer of drilling well liquid film on rock sample end face, for a period of time to drilling fluid aquation rock sample
Afterwards, open 9 opening operation software of computer, by control hydraulic pump 7 go up and down moved cross beam 5 be moved in rotary shaft 6 rock sample with
When the contact of pressing mold 2 has pressure, pressing mold 2 is pressed by the displacement of rock sample by loaded displacement pickup 1 and corresponding load transmission arrives
On computer function recording instrument 9.Control can be passed through according to aquation different time when one on complete rock sample end face to be tested
Jaw left and right moving control handle 15,360 degree rotation dial 16, jaw on Fig. 4 cross swivel vice are moved forward and backward control
Handle 18 processed will select a little mobile of the rock sample end face of test or rotate to below pressing mold 2 to be tested.Finally will
The result of test point obtains the indentation intensity of rock sample by 9 finishing analysis of computer function recording instrument after different hydration times, thus
The influence degree that analysis drilling fluid changes rock sample aquation dynamic changes of strength, finally evaluates borehole wall stability.
As shown in Figure 1 and Figure 2, it is the test result of rock sample dynamic change after preferably evaluation aquation, passes through Fig. 3 and make folder by oneself
Tool and the innovation of Fig. 4 cross swivel vice, which combine to be placed in Fig. 1 experimental machine to test, obtains different aquations on rock sample end face
The intensity of time difference position.The position of pressing mold 2 is irremovable when due to experiment test, fixture in Fig. 2 and
The innovation of cross swivel vice is combined instead of the rock sample being placed on after being impregnated merely on Fig. 1 experimental machine sample stage 4 in the past.With
It is the rock sample column of 5 centimetres of 2.5 cm height of diameter used in preceding experiment, Fig. 1 experiment can only be fixed on after by mud soak
It is equivalent in Fig. 13 position in press proof sample platform 4, a point of rock sample can only be tested after contacting with pressing mold 2, due to rock sample end face
Diameter is smaller, and being completed rear rock sample crushing rupture cannot continue to test, when continuing test immersion aquation difference if necessary
Between intensity can only bore sample again column, then the subsequent continuous test of aquation is impregnated, so the shale hydration intensity of this invention of Fig. 2
Dynamic change test new equipment greatly facilitates experiment test, shortens experimental period, saves experimental cost.
Claims (2)
1. a kind of shale hydration dynamic changes of strength variation test new equipment, mainly by cross swivel vice and rock sample fixture group
At.Wherein cross swivel vice is to control handle (12), moving jaw (13), regular jaw (14), jaw by moving jaw
Left and right moving control handle (15), 360 degree rotation dial (16), pedestal (17), jaw are moved forward and backward control handle (18), consolidate
Determine screw (19) composition, it is characterised in that: the 360 degree rotation dial (16) can control entire flat-nose pliers and clamp rock sample
Fixture is whole to be rotated at random 360 degree along pedestal, and moving jaw controls handle (12) and controls moving jaw size, and jaw or so moves
Dynamic control handle (15) can control jaw and move left and right with fixture, and jaw, which is moved forward and backward control handle (18), can control pincers
Mouth is moved forward and backward with fixture;Fixture is made of copper billet (10), long screw (11), it is characterised in that: fixture is a pros
The copper billet (10) of one cylinder of shape (10 centimetres of side length) middle cut away (10 centimetres of 5 cm height of diameter), it is to be separated from the middle
Two halves can be locked together by four removable long screws (11);It is living that the fixture for clamping rock sample is placed on cross swivel vice
Movable clamp port (13) is inner to be placed in experimental machine, is allowed to keep one layer of liquid by titrating any drilling fluid on rock sample end face
Film, control 360 degree rotation dial (16), jaw left and right moving control handle (15), jaw are moved forward and backward control handle (18)
Any point dynamic change intensity on rock sample difference hydration time end face can be tested.
2. a kind of underground rock sample aquation strength test new equipment according to claim 1, it is characterised in that: 360 degree rotation
Dial (16) can control entire flat-nose pliers clip rock sample fixture it is whole be rotated at random 360 degree along pedestal, three activities
Formula controls handle moving jaw control handle (12) therein and controls moving jaw size, another jaw left and right moving control
Handle (15) can control jaw and move left and right with rock sample fixture, and jaw, which is moved forward and backward control handle (18), can control jaw
It is moved forward and backward with rock sample fixture;It is separated from the middle a square (10 centimetres of side length) one cylinder of middle cut away of two halves
Copper billet (10) fixture of (10 centimetres of 5 cm height of diameter) can be locked at after being put into rock sample column by four removable long screws (11)
Together, and fixture can be placed in moving jaw and is clamped.
Priority Applications (1)
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CN201811165147.0A CN109115625A (en) | 2018-10-08 | 2018-10-08 | A kind of shale hydration dynamic changes of strength variation test new equipment |
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CN201811165147.0A CN109115625A (en) | 2018-10-08 | 2018-10-08 | A kind of shale hydration dynamic changes of strength variation test new equipment |
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CN201811165147.0A Pending CN109115625A (en) | 2018-10-08 | 2018-10-08 | A kind of shale hydration dynamic changes of strength variation test new equipment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110687141A (en) * | 2019-09-29 | 2020-01-14 | 重庆大学 | Method for analyzing permeability characteristics of reservoir shale in drilling process |
CN112816354A (en) * | 2020-12-31 | 2021-05-18 | 西南石油大学 | Method for testing dynamic change of hydration strength of shale |
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CN107866914A (en) * | 2017-12-11 | 2018-04-03 | 合肥工业大学 | A kind of rock sample fixing device for rock sample cutting machine |
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CN207717468U (en) * | 2018-01-30 | 2018-08-10 | 贵州工程应用技术学院 | The clamping device of standard sample is processed into suitable for different-diameter core |
CN108613882A (en) * | 2018-06-28 | 2018-10-02 | 中海石油(中国)有限公司湛江分公司 | A kind of experimental rig that simulation hydration influences rock strength and test method |
CN208984461U (en) * | 2018-10-08 | 2019-06-14 | 西南石油大学 | A kind of shale hydration dynamic changes of strength variation test new equipment |
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CN2421637Y (en) * | 2000-03-30 | 2001-02-28 | 西南石油学院 | Tester for core hydration strength |
CN2420637Y (en) * | 2000-04-29 | 2001-02-21 | 中南工业大学 | Processing machine for rock test piece |
US20070297039A1 (en) * | 2006-06-22 | 2007-12-27 | Samsung Electronics Co., Ltd | Electrophoretic display and manufacturing method thereof |
CN103091186A (en) * | 2011-10-31 | 2013-05-08 | 中国石油化工股份有限公司 | Rock abrasiveness experiment device |
CN103528927A (en) * | 2013-11-05 | 2014-01-22 | 西南石油大学 | Method and device for measuring well wall mud rock hydration expansion strain |
CN105290820A (en) * | 2014-05-30 | 2016-02-03 | 陈锦 | Cross flat tongs |
CN107179232A (en) * | 2016-03-09 | 2017-09-19 | 中国石油化工股份有限公司 | A kind of method for evaluating shale stability |
CN205415034U (en) * | 2016-03-28 | 2016-08-03 | 费非 | Accurate quick cross flat -nose pliers |
CN206047946U (en) * | 2016-08-30 | 2017-03-29 | 中国人民解放军镇江船艇学院 | A kind of multi-functional anvil vice |
CN206710203U (en) * | 2017-05-11 | 2017-12-05 | 湖南科技大学 | A kind of uniaxial load broken rock pressure head fixing device |
CN207309754U (en) * | 2017-08-04 | 2018-05-04 | 廊坊范朝来机电科技有限公司 | A kind of multi-functional Quick bench clamp rotating disk device |
CN107866914A (en) * | 2017-12-11 | 2018-04-03 | 合肥工业大学 | A kind of rock sample fixing device for rock sample cutting machine |
CN207629873U (en) * | 2017-12-14 | 2018-07-20 | 青岛市平度度威台钳有限责任公司 | A kind of cross clamp |
CN207717468U (en) * | 2018-01-30 | 2018-08-10 | 贵州工程应用技术学院 | The clamping device of standard sample is processed into suitable for different-diameter core |
CN108613882A (en) * | 2018-06-28 | 2018-10-02 | 中海石油(中国)有限公司湛江分公司 | A kind of experimental rig that simulation hydration influences rock strength and test method |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110687141A (en) * | 2019-09-29 | 2020-01-14 | 重庆大学 | Method for analyzing permeability characteristics of reservoir shale in drilling process |
CN110687141B (en) * | 2019-09-29 | 2021-04-27 | 重庆大学 | Method for analyzing permeability characteristics of reservoir shale in drilling process |
CN112816354A (en) * | 2020-12-31 | 2021-05-18 | 西南石油大学 | Method for testing dynamic change of hydration strength of shale |
CN112816354B (en) * | 2020-12-31 | 2022-03-01 | 西南石油大学 | Method for testing dynamic change of hydration strength of shale |
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