CN203396653U - Dynamic monitoring device for external load deformation and crack extension of rock body - Google Patents
Dynamic monitoring device for external load deformation and crack extension of rock body Download PDFInfo
- Publication number
- CN203396653U CN203396653U CN201320548871.8U CN201320548871U CN203396653U CN 203396653 U CN203396653 U CN 203396653U CN 201320548871 U CN201320548871 U CN 201320548871U CN 203396653 U CN203396653 U CN 203396653U
- Authority
- CN
- China
- Prior art keywords
- rock mass
- deformation
- crack propagation
- rock body
- test specimen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a dynamic monitoring device for external load deformation and crack extension of a rock body. The dynamic monitoring device comprises a transparent sealed container, a rock body test-piece, a water filling and pressurizing device, a crack extension observation system and a deformation monitoring system, wherein the rock body test-piece is arranged in the transparent sealed container; an annular cavity between the rock body test-piece and the transparent sealed container is a confining pressure cavity; a stress sensor of the deformation monitoring system is mounted on the outer wall of the rock body test-piece; a confining pressure loading system is connected with the confining pressure cavity; the water filling and pressurizing device is connected to the middle of the rock body test-piece through a pipeline; the crack extension observation system is connected with the transparent sealed container. The dynamic monitoring device can be used for continuously and dynamically monitoring the crack extension generated by high-pressure water injection of the rock body to obtain a deformation state of the crack extension of the rock body for research on a crack extension situation of the rock body in a hydraulic fracturing process of the rock body.
Description
Technical field:
The utility model relates to the experimental provision to gas bearing shale waterfrac treatment deformation and porous dehiscence gap extended dynamic mensuration in the detection technique fields such as Oil and Natural Gas Engineering, coal-bed gas exploitation engineering, what be specifically related to is that rock mass carries deformation and crack propagation dynamic measurement device outward.
Background technology:
In the technical fields such as Oilfield Natural Gas Plant, shale gas and coal-bed gas exploitation, waterfrac treatment becomes the Main Means of gas-field exploitation, due to the complex characteristics of exploitation gassiness rock mass, makes also to have a lot of technical matterss in exploitation.At present quite few for the research of gassiness rock mass fracturing mechanism and seepage characteristic, describe exactly the damage of gassiness rock mass waterfrac treatment porous dehiscence gap and develop significant to exploitation shale gas.This cover determinator can carry out dynamic monitoring to rock mass waterfrac treatment process crack propagation form, discloses the Changing Pattern that Fracture System forms.
Summary of the invention:
The purpose of this utility model is to provide rock mass and carries deformation and crack propagation dynamic measurement device outward, and this rock mass carries deformation and crack propagation dynamic measurement device outward for studying rock mass waterfrac treatment process rock cranny scaling problem.
The utility model solves the technical scheme that its technical matters adopts: this rock mass carries deformation outward and crack propagation dynamic measurement device comprises transparent sealing container, rock mass test specimen, water filling pressue device, crack propagation recording geometry, deformation measurement system, rock mass test specimen is placed in transparent sealing container, ring cavity between rock mass test specimen and transparent sealing container is confined pressure chamber, and the strain transducer of deformation measurement system is installed on rock mass test specimen outer wall; Confined pressure loading system connects confined pressure chamber, and water filling pressue device is connected to rock mass test specimen middle part by pipeline, and crack propagation recording geometry connects transparent sealing container.
In such scheme, confined pressure loading system is connected and composed by pipeline by the first supercharging device, the first intermediate receptacle, tensimeter, the first supercharging device is high-pressure pump, and confined pressure loading system makes rock mass be subject to evenly outer year simulated formation stress by high-pressure pump pumping liquid in confined pressure chamber.
In such scheme, water filling pressue device is connected and composed by pipeline by the second supercharging device, the second intermediate receptacle, filtrator, piezometry instrument, the second supercharging device is high-pressure pump, water filling pressue device injects rock mass by high-pressure pump by water, make its pressure break produce crack propagation, the crack propagation form that the waterfrac treatment of simulation rock mass produces.
In such scheme, deformation measurement system is connected to form successively by strain transducer, A/D chromacoder, signal monitoring instrument, is mainly used in measuring rock mass and is being subject to waterfrac treatment to carry the deformation of rock mass under situation outward.
In such scheme, crack propagation recording geometry consists of ccd video camera, ct fluoroscopy instrument, three-dimensional mobile observation frame, computing machine, ccd video camera and ct fluoroscopy instrument are arranged on outside transparent sealing container by three-dimensional mobile observation frame, ccd video camera connects computing machine, and crack propagation recording geometry is for the crack propagation rule of omnibearing observation rock mass.
The utlity model has following beneficial effect:
1, the utility model can be continuously apply high pressure water injection to rock mass and produces crack propagation and carry out dynamic monitoring, obtains the deformed state of rock cranny expansion, for studying rock mass waterfrac treatment process rock cranny spread scenarios.
2, the utility model pressure control scope is large, can realize 80MPa pressure control.。
3, the utility model accuracy of detection is high, and system noise resisting ability is strong.
4, the utility model is simple in structure, easy to operate, adaptable, can realize permanent test constantly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is strain transducer deployment scenarios schematic diagram on rock mass test specimen outer wall in the utility model.
1. three-dimensional mobile observation frame 10. computing machine 11. piezometry instrument 12. filtrator 13. second intermediate receptacle 14. second supercharging device 15. strain transducer 16. A/D chromacoder 17. signal monitoring instrument of transparent sealing container 2. rock mass test specimen 3. confined pressure chamber 4. first supercharging device 5. first intermediate receptacle 6. tensimeter 7.CCD video camera 8.CT scenograph 9..
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, this rock mass carries deformation outward and crack propagation dynamic measurement device comprises transparent sealing container 1, rock mass test specimen 2, water filling pressue device, crack propagation recording geometry, deformation measurement system, rock mass test specimen 2 is placed in transparent sealing container 1, ring cavity between rock mass test specimen 2 and transparent sealing container 1 wall is confined pressure chamber 3, and the strain transducer 15 of deformation measurement system is installed on rock mass test specimen 2 outer walls; Confined pressure loading system connects confined pressure chamber 3, water filling pressue device is connected to rock mass test specimen 2 middle parts by high pressure line, crack propagation recording geometry connects transparent sealing container 1, crack propagation recording geometry can be along transparent sealing container 1 circumferential and axial mobile observation, so that intuitively observe crack propagation form.
Confined pressure loading system consists of the first supercharging device 4, the first intermediate receptacle 5, tensimeter 6, confined pressure loading system is connected with confined pressure chamber 3 by high pressure line, during test run by confined pressure loading system by rock mass test specimen 2 being applied to confined pressure to the interior filling liquid in confined pressure chamber 3, guarantee that transverse external load is even, make rock mass test specimen 2 all the time in even loaded state.Confined pressure loads constant applying continuously, also sustainablely dynamically applies.Test process can be controlled transverse external load by high-pressure pump as required, guarantees to provide annular housing to apply outer carrying uniformly to rock mass test specimen 2.
Water filling pressue device is comprised of the second supercharging device 14, the second intermediate receptacle 13, filtrator 12, piezometry instrument 11, during test run by water filling pressue device by high pressure line to the 2 middle part fluid injections of rock mass test specimen, by water under high pressure pressure break rock mass test specimen, make crack propagation.
Deformation measurement system is connected and composed successively by strain transducer 15, A/D chromacoder 16, signal monitoring instrument 17, consult Fig. 2, strain transducer 15 arranges 8, is evenly distributed on around rock mass test specimen 2, is mainly used in measuring rock mass test specimen 2 and is being subject to waterfrac treatment to carry the deformation of rock mass under situation outward.The pressure due to confined pressure loading system and water filling pressue device, rock mass being produced during test run causes rock mass test specimen 2 that deformation constantly occurs, deformation signal is accepted by strain transducer 15, and by A/D chromacoder 16, deformation simulating signal is converted into digital signal, finally by signal monitoring instrument 17, described.
Crack propagation recording geometry consists of ccd video camera 7, ct fluoroscopy instrument 8, three-dimensional mobile observation frame 9, computing machine 10, ccd video camera 7 and ct fluoroscopy instrument 8 are arranged on outside transparent sealing container 1 by three-dimensional mobile observation frame 9, ccd video camera 7 connects computing machine 10, this system can be around transparent sealing container 1 circumferential and axially-movable by three-dimensional mobile observation frame 9, during test run, by 8 pairs of rock mass test specimen 2 crack propagation of ct fluoroscopy instrument, scan, and by ccd video camera 7 imagings and be sent in computing machine 10, in computing machine 10, image analysis system is installed.
Claims (5)
1. a rock mass carries deformation and crack propagation dynamic measurement device outward, it is characterized in that: this rock mass carries deformation outward and crack propagation dynamic measurement device comprises transparent sealing container (1), rock mass test specimen (2), water filling pressue device, crack propagation recording geometry, deformation measurement system, rock mass test specimen (2) is placed in transparent sealing container (1), ring cavity between rock mass test specimen (2) and transparent sealing container (1) is confined pressure chamber (3), and the strain transducer (15) of deformation measurement system is installed on rock mass test specimen (2) outer wall; Confined pressure loading system connects confined pressure chamber (3), and water filling pressue device is connected to rock mass test specimen (2) middle part by pipeline, and crack propagation recording geometry connects transparent sealing container (1).
2. rock mass according to claim 1 carries deformation and crack propagation dynamic measurement device outward, it is characterized in that: described confined pressure loading system is connected and composed by pipeline by the first supercharging device (4), the first intermediate receptacle (5), tensimeter (6).
3. rock mass according to claim 1 carries deformation and crack propagation dynamic measurement device outward, it is characterized in that: described water filling pressue device is connected and composed by pipeline by the second supercharging device (14), the second intermediate receptacle (13), filtrator (12), piezometry instrument (11).
4. rock mass according to claim 1 carries deformation and crack propagation dynamic measurement device outward, it is characterized in that: described deformation measurement system is connected to form successively by strain transducer (15), A/D chromacoder (16), signal monitoring instrument (17).
5. rock mass according to claim 1 carries deformation and crack propagation dynamic measurement device outward, it is characterized in that: described crack propagation recording geometry consists of ccd video camera (7), ct fluoroscopy instrument (8), three-dimensional mobile observation frame (9), computing machine (10), ccd video camera (7) and ct fluoroscopy instrument (8) are arranged on outside transparent sealing container (1) by three-dimensional mobile observation frame (9), and ccd video camera (7) connects computing machine (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320548871.8U CN203396653U (en) | 2013-09-05 | 2013-09-05 | Dynamic monitoring device for external load deformation and crack extension of rock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320548871.8U CN203396653U (en) | 2013-09-05 | 2013-09-05 | Dynamic monitoring device for external load deformation and crack extension of rock body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203396653U true CN203396653U (en) | 2014-01-15 |
Family
ID=49908177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320548871.8U Expired - Fee Related CN203396653U (en) | 2013-09-05 | 2013-09-05 | Dynamic monitoring device for external load deformation and crack extension of rock body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203396653U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776703A (en) * | 2014-01-24 | 2014-05-07 | 山东大学 | Hydro-fracturing water injection loading device based on rock-like resin sample and test method |
| CN104007021A (en) * | 2014-05-17 | 2014-08-27 | 安徽理工大学 | Laboratory hydraulic fracturing method in vacuum state |
| CN104122147A (en) * | 2014-08-11 | 2014-10-29 | 卢渊 | Dynamic slit width simulation system and method for slit |
| CN104596869A (en) * | 2015-02-02 | 2015-05-06 | 河海大学 | Test method of four-dimensional dynamic quantitative analysis during soil shear failure |
| CN104853154A (en) * | 2015-04-29 | 2015-08-19 | 同济大学 | Dangerous rock deformation information extraction and alarm method based on motion image |
| CN104931307A (en) * | 2015-05-16 | 2015-09-23 | 东北石油大学 | Device and method for preparing transparent core containing pore-fracture and horizontal well section |
| CN105571935A (en) * | 2016-02-05 | 2016-05-11 | 清华大学 | Pendulum bob type water-rock coupling test power loading equipment and method |
| CN105738221A (en) * | 2016-04-14 | 2016-07-06 | 西南石油大学 | Experimental device and method for simulating hydraulic fracturing under perforated completion |
| CN106053237A (en) * | 2016-08-10 | 2016-10-26 | 山东大学 | Seismic oscillation simulation testing machine for macroscopic and microscopic damage joint tracking of rock mass and method thereof |
| CN106370525A (en) * | 2016-10-13 | 2017-02-01 | 同济大学 | Multifunctional visual research device for bentonite hydraulic power and air pressure splitting features |
| CN112065350A (en) * | 2020-08-05 | 2020-12-11 | 河南理工大学 | Hydraulic fracturing fracture propagation mechanism and fracturing after-effect test system and method |
| CN113030435A (en) * | 2021-03-04 | 2021-06-25 | 西安建筑科技大学 | Soil body vertical fracture model observation test device and test method |
| CN114487349A (en) * | 2022-01-27 | 2022-05-13 | 福州大学 | But simulation reality environment's soft rock meets water swelling characteristic test device |
-
2013
- 2013-09-05 CN CN201320548871.8U patent/CN203396653U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776703B (en) * | 2014-01-24 | 2015-11-18 | 山东大学 | Based on hydrofracturing water filling charger and the test method of rocks resin test specimen |
| CN103776703A (en) * | 2014-01-24 | 2014-05-07 | 山东大学 | Hydro-fracturing water injection loading device based on rock-like resin sample and test method |
| CN104007021A (en) * | 2014-05-17 | 2014-08-27 | 安徽理工大学 | Laboratory hydraulic fracturing method in vacuum state |
| CN104122147A (en) * | 2014-08-11 | 2014-10-29 | 卢渊 | Dynamic slit width simulation system and method for slit |
| CN104596869A (en) * | 2015-02-02 | 2015-05-06 | 河海大学 | Test method of four-dimensional dynamic quantitative analysis during soil shear failure |
| CN104596869B (en) * | 2015-02-02 | 2017-02-22 | 河海大学 | Test method of four-dimensional dynamic quantitative analysis during soil shear failure |
| CN104853154B (en) * | 2015-04-29 | 2017-11-28 | 同济大学 | A kind of extraction of crag deformation information and alarm method based on moving image |
| CN104853154A (en) * | 2015-04-29 | 2015-08-19 | 同济大学 | Dangerous rock deformation information extraction and alarm method based on motion image |
| CN104931307A (en) * | 2015-05-16 | 2015-09-23 | 东北石油大学 | Device and method for preparing transparent core containing pore-fracture and horizontal well section |
| CN105571935A (en) * | 2016-02-05 | 2016-05-11 | 清华大学 | Pendulum bob type water-rock coupling test power loading equipment and method |
| CN105571935B (en) * | 2016-02-05 | 2019-08-23 | 清华大学 | Pendulum water rock coupling test dynamic loading device and method |
| CN105738221A (en) * | 2016-04-14 | 2016-07-06 | 西南石油大学 | Experimental device and method for simulating hydraulic fracturing under perforated completion |
| CN106053237A (en) * | 2016-08-10 | 2016-10-26 | 山东大学 | Seismic oscillation simulation testing machine for macroscopic and microscopic damage joint tracking of rock mass and method thereof |
| CN106370525A (en) * | 2016-10-13 | 2017-02-01 | 同济大学 | Multifunctional visual research device for bentonite hydraulic power and air pressure splitting features |
| CN112065350A (en) * | 2020-08-05 | 2020-12-11 | 河南理工大学 | Hydraulic fracturing fracture propagation mechanism and fracturing after-effect test system and method |
| CN113030435A (en) * | 2021-03-04 | 2021-06-25 | 西安建筑科技大学 | Soil body vertical fracture model observation test device and test method |
| CN114487349A (en) * | 2022-01-27 | 2022-05-13 | 福州大学 | But simulation reality environment's soft rock meets water swelling characteristic test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203396653U (en) | Dynamic monitoring device for external load deformation and crack extension of rock body | |
| Ha et al. | Liquid CO 2 fracturing: Effect of fluid permeation on the breakdown pressure and cracking behavior | |
| CN101387598B (en) | Rock porosity real-time test device under action of Chemosmosis and creep coupling | |
| CN202560206U (en) | Well cementation cement sheath external-load extrusion damage dynamic measuring device | |
| CN105203411A (en) | Slit shear-seepage coupling test system of triaxial cell and test method | |
| CN109298162A (en) | Different phase carbon dioxide fracturing shale device and experimental method | |
| CN104535727B (en) | A kind of waterpower sandfrac system | |
| CN103645129B (en) | A kind of high-temperature ultralow permeability measuring instrument | |
| CN104931357A (en) | Testing system and testing method for mechanical property of coal rock test piece | |
| CN207717497U (en) | Consider experimental rig of the deep-sea underground pipe under by axial force and pipeclay coupling | |
| CN107515289B (en) | Coal and gas outburst simulation test device | |
| CN109490119B (en) | Method for determining damage variable of rock material | |
| CN108894764A (en) | Visualize two-dimentional hydraulic fracture imitative experimental appliance | |
| CN102937551A (en) | Rock triaxial test device based on capacitance imaging | |
| CN105699202B (en) | A kind of hydraulic device measuring Mechanics Parameters of Rock Mass | |
| CN108571313A (en) | A kind of down-hole casing deformation simulator and method | |
| CN104062408A (en) | Layered grouting model test system | |
| CN104897473A (en) | Rock stress relaxation test device and test method | |
| CN105716953B (en) | Circulation variable pressure, which forces, splits simulation laboratory test method | |
| Ma et al. | Gas-mechanical coupled crack initiation analysis for local air-leakage of compressed air energy storage (CAES) cavern with consideration of seepage effect | |
| Zhou et al. | Pressure of different gases injected into large-scale coal matrix: Analysis of time–space dependence and prediction using light gradient boosting machine | |
| CN218937995U (en) | Novel lateral limit compression test device for simulating true stress state of soil | |
| CN209400451U (en) | The determination system of hydraulically created fracture form | |
| CN205117320U (en) | Coal reservoir fracture pattern changes simulating measurement setup under different fracturing technologies | |
| CN204613033U (en) | Original position rock mechanics system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |