CN105136347B - A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress - Google Patents

A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress Download PDF

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Publication number
CN105136347B
CN105136347B CN201510256914.9A CN201510256914A CN105136347B CN 105136347 B CN105136347 B CN 105136347B CN 201510256914 A CN201510256914 A CN 201510256914A CN 105136347 B CN105136347 B CN 105136347B
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rock
laser scanning
data
crustal stress
spot
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CN105136347A (en
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王京印
张玉
刘晓兰
贾江鸿
董广华
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China University of Petroleum East China
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China University of Petroleum East China
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Priority to CN201610559122.3A priority Critical patent/CN106289585B/en
Priority to CN201510256914.9A priority patent/CN105136347B/en
Priority to CN201610569248.9A priority patent/CN106017745B/en
Priority to CN201610598866.6A priority patent/CN106092396B/en
Priority to CN201610601260.3A priority patent/CN106289586A/en
Application filed by China University of Petroleum East China filed Critical China University of Petroleum East China
Priority to CN201610600127.6A priority patent/CN106124097A/en
Priority to CN201610536404.1A priority patent/CN106197798B/en
Publication of CN105136347A publication Critical patent/CN105136347A/en
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Publication of CN105136347B publication Critical patent/CN105136347B/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/06—Measuring force or stress, in general by measuring the permanent deformation of gauges, e.g. of compressed bodies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N2011/006—Determining flow properties indirectly by measuring other parameters of the system
    • G01N2011/0073—Determining flow properties indirectly by measuring other parameters of the system acoustic properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/023—Solids
    • G01N2291/0232—Glass, ceramics, concrete or stone
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02818—Density, viscosity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force

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  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The present invention relates to a kind of Visco elastic strain and survey test device and the measuring method of on-the-spot crustal stress, test device includes rock core grasping system, laser scanning system, scanning multistage speed loading system, data collecting system and Computer reprocessing system five part composition.Wherein apply mechanically laser scanning system above rock core grasping system, it is achieved the DATA REASONING of rock appearance deformation；Scanning multistage speed loading system combining laser scanning system, it is achieved the periodicity that rock appearance gathers data measures；Data collecting system depends on laser scanning system, it is achieved the collecting measurement data of rock appearance deformation collects, and transmits to Computer reprocessing system and stored and process.This kind of measurement apparatus measure field can strain crustal stress, simple to operate, reliable results, and can intuitively visualize display result.Invention additionally discloses a kind of method utilizing aforementioned measuring appliance to measure.The result of the test of the present invention can be that measuring of crustal stress provides important experimental technique support.

Description

A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress
Technical field
The present invention relates to a kind of petroleum engineering technology, survey the survey of on-the-spot crustal stress particularly to a kind of Visco elastic strain Electricity testing device and measuring method.
Background technology
Well in the data about In-situ stress, such as drilling process is had increasing need in petroleum engineering Stable problem；Formation fracture pressure prediction；Fracturing engineering designs；Formation fracture problem in high pressure water injection；The slip of tomography and Resurrection problem；Carry outside casing pipe to calculate and resist and squeeze Life Calculation problem etc..Existing ask all of crustal stress size and direction In method, having certain limitation, therefore cut both ways, the general very difficult direction simultaneously accurately to obtain crustal stress is with big Little.
Summary of the invention
The purpose of the present invention is aiming at the drawbacks described above that prior art exists, it is provided that a kind of Visco elastic strain surveys on-the-spot ground The test device of stress and measuring method, be mainly used for measuring the horizontal stress state understanding underground point, including principal stress Size and direction.
A kind of Visco elastic strain that the present invention mentions surveys the test device of on-the-spot crustal stress, loads including scanning multistage speed System (A), laser scanning system (B), rock core grasping system (C), data collecting system (D), Computer reprocessing system (E) and Sonic test system (17), wherein rock core grasping system (C) top is cased with laser scanning system (B), it is achieved rock appearance deformation DATA REASONING；Scanning multistage speed loading system (A) combining laser scanning system (B), it is achieved rock appearance is gathered data Periodicity measure；Sonic test system (17) depends on rock core and accommodates system (C), and is fixed on the centre position of sample；Number Laser scanning system (B) is depended on, it is achieved the collecting measurement data of rock appearance deformation collects, and transmits according to acquisition system (D) Stored to Computer reprocessing system (E)；It is calculated rock crustal stress by Computer reprocessing system (E) to test The deformation extent of rock in journey, draws out the mutual relation curve between rock deformation, time, viscoelasticity, and is visualized aobvious Show, calculate on-the-spot crustal stress.
Above-mentioned scanning multistage speed loading system (A) includes outer casing upper cover (9), multistage speed adapter (6), transmission arm (5), wherein, outer casing upper cover (9) is fixed by side casings (2), outside multistage speed adapter (6) and transmission arm (5) are fixed on On shell upper cover (9), multistage speed adapter (6) is located after computer by the control transmission line (7) in data collecting system (D) Reason system (E) is connected.
Above-mentioned laser scanning system (B) includes laser rotary support (1), cylinder (13), annulus (14), two laser rotations The bottom turning support (1) is fixed on annulus (14) and cylinder (13), is fixed on base by annulus (14) and cylinder (13) Together, multiple airborne laser range finders (11) the most equidistantly arrange, the top of described laser rotary support (1) and transmission Arm (5) connects, and scans runing rest for stabilized lasers, and makes it control to rotate by transmission arm (5)；Airborne laser range finder (11) with Data line (8) in data collecting system (D) is connected, and the data of airborne laser range finder are transferred to Computer reprocessing system (E).
Above-mentioned rock core grasping system (C) includes base (3), core holding unit (4) and axial strain test device (18), The upside of base (3) is provided with lobe (16), by longitudinal draw-in groove (10) and horizontal draw-in groove (15) and laser scanning runing rest (1) in mating connection, and core holding unit (4) is fixed on base (3)；Axial strain lateral system (18) is positioned at trial lecture top End, is mainly used in testing the change of test specimen axial strain；
Above-mentioned sonic test system (17) includes sonic probe and oscilloscope apparatus, and is connected with rock core blessing system, It is fixed on the centre position of sample.
Above-mentioned data collecting system (D) includes data line (8) and controls transmission line (7), and is transmitted by data Line (8) and control transmission line (7) are connected respectively to Computer reprocessing system (E).
In the susceptor surface in the outside that above-mentioned longitudinal draw-in groove (10) is arranged on lobe (16), horizontal draw-in groove (15) is arranged On the top of lobe (16), coordinate fixing with cylinder (13) by longitudinal draw-in groove (10), by horizontal draw-in groove and annulus (14) Coordinate fixing, thus laser scanning runing rest (1) is fixed together with base (3).
Above-mentioned equidistant airborne laser range finder (11) is provided with five.
A kind of Visco elastic strain that the present invention mentions surveys the measuring method of the test device of on-the-spot crustal stress, including following step Rapid:
(1) cylindrical standard sample is positioned in rock core grasping system (C), lays, install experimental apparatus and to sweeping The parameter retouching multistage speed loading system (A), data collecting system (D) and Computer reprocessing system (E) is configured；Wherein The laser scanning system (B) that rock core grasping system (C) top is cased with, it is achieved the DATA REASONING of rock appearance deformation；Scan multistage Speed loading system (A) combining laser scanning system (B), it is achieved the periodicity that rock appearance gathers data measures；Data acquisition Collecting system (D) depends on laser scanning system (B), it is achieved the collecting measurement data of rock appearance deformation collects, and transmits to meter Calculation machine after-treatment system (E) is stored；It is calculated in rock crustal stress process of the test by Computer reprocessing system (E) The deformation extent of rock, draws out the mutual relation curve between rock deformation, time, viscoelasticity, and is visualized display, meter Calculate on-the-spot crustal stress；
(2) coordinate scanning multistage speed loading system (A) that the deformation of rock core short time is surveyed by laser scanning system (B) Amount, is obtained the deformation of whole boring cross-sectional profiles, and calculates according to Elasticity formula by method of least square numerical fitting Go out minimum and maximum horizontal principal stress.
The invention has the beneficial effects as follows: the result of the test of the measurement apparatus that Visco elastic strain of the present invention surveys on-the-spot crustal stress can Measure field strain crustal stress, simple to operate, reliable results, and can intuitively visualize display result；It addition, the test of the present invention Result can be that measuring of crustal stress provides important experimental technique support.
Accompanying drawing explanation
Accompanying drawing 1 is the overall structure schematic diagram of the present invention；
Accompanying drawing 2 is the solution plane explanatory diagram of each parts of the present invention；
Accompanying drawing 3 is the scanning device runing rest modular construction schematic diagram of the present invention；
In upper figure: scanning multistage speed loading system A, laser scanning system B, rock core grasping system C, data collecting system D, Computer reprocessing system E；Laser scanning runing rest 1, side casings 2, base 3, core holding unit 4, transmission arm 5, many Step velocity adapter 6, control transmission line 7, data line 8, outer casing upper cover 9, scanning runing rest draw-in groove 10, airborne laser range finder 11, computer 12, cylinder 13, annulus 14, horizontal draw-in groove 15, lobe 16, sonic test system 17, axial displacement meter 18.
Detailed description of the invention
1-3 referring to the drawings, a kind of Visco elastic strain that the present invention mentions surveys the test device of on-the-spot crustal stress, including scanning Multistage speed loading system A, laser scanning system B, rock core grasping system C, data collecting system D, Computer reprocessing system E, is wherein cased with laser scanning system B above rock core grasping system C, it is achieved the DATA REASONING of rock appearance deformation；Scan multistage Speed loading system A combining laser scanning system B, it is achieved the periodicity that rock appearance gathers data measures；Data acquisition system System D depends on laser scanning system B, it is achieved the collecting measurement data of rock appearance deformation collects, and transmits to computer place Reason system E is stored；It is calculated the deformation journey of rock in rock crustal stress process of the test by Computer reprocessing system E Degree, draws out the mutual relation curve between rock deformation, time, viscoelasticity, and is visualized display, should calculate on-the-spotly Power.
Wherein, scanning multistage speed loading system A includes outer casing upper cover 9, multistage speed adapter 6, transmission arm 5, wherein, Outer casing upper cover 9 is fixed by side casings 2, and multistage speed adapter 6 and transmission arm 5 are fixed on outer casing upper cover 9, multistage speed Adapter 6 is connected with Computer reprocessing system E by the control transmission line 7 in data collecting system D.
It addition, laser scanning system B includes laser rotary support 1, cylinder 13, annulus 14, two laser rotary supports 1 Bottom is fixed on annulus 14 and cylinder 13, is fixed together with base by annulus 14 and cylinder 13, multiple airborne laser range finders 11 the most equidistantly arrange, and the top of described laser rotary support 1 is connected with transmission arm 5, sweeps for stabilized lasers Retouch runing rest, and make it control to rotate by transmission arm 5；Airborne laser range finder 11 and the data line 8 in data collecting system D It is connected, the data of airborne laser range finder are transferred to Computer reprocessing system E.
It addition, rock core grasping system C includes base 3, core holding unit 4, the upside of base 3 is provided with lobe 16, passes through Longitudinal draw-in groove 10 and horizontal draw-in groove 15 are in mating connection with laser scanning runing rest 1, and core holding unit 4 is fixed on base 3 On, described core holding unit 4 wraps up gum elastic near the position of core sample.
Data collecting system D includes data line 8 and controls transmission line 7, and by data line 8 and control transmission Line 7 is connected respectively to Computer reprocessing system E, computer by data exchange mouth the data of timing acquiring are stored, Display, and based on data process visualization procedure be calculated the external deformation of rock in process of the test, draw out rock deformation, Mutual relation curve between time, stress and strain parameter, and visualized display.
Referring to the drawings 2, in the susceptor surface in the outside that longitudinal draw-in groove 10 is arranged on lobe 16, horizontal draw-in groove 15 is arranged on The top of lobe 16, coordinates fixing by longitudinal draw-in groove 10 with cylinder 13, coordinates fixing with annulus 14 by horizontal draw-in groove, from And laser scanning runing rest 1 is fixed together with base 3；Above-mentioned equidistant airborne laser range finder 11 is provided with five Laser Measuring Away from device 11.Wherein, two laser rotary supports 1, one group of strain value takes the data of the two half period interscan；Strain value takes 5 Individual airborne laser range finder 11 sum average, is used for guaranteeing sample measurement accuracy；Sample used is cylindrical sample, a diameter of 50mm, height can be adjusted between 90-110mm, and sample loads in core sample grasping system C；
A kind of Visco elastic strain that the present invention mentions surveys the measuring method of the test device of on-the-spot crustal stress, including following step Rapid:
(1) cylindrical standard sample is positioned in rock core grasping system C, lays, install experimental apparatus and to scanning The parameter of multistage speed loading system A, data collecting system D and Computer reprocessing system E is configured；Wherein rock core clamping The laser scanning system B being cased with above system C, it is achieved the DATA REASONING of rock appearance deformation；Scanning multistage speed loading system A Combining laser scanning system B, it is achieved the periodicity that rock appearance gathers data measures；Data collecting system D depends on laser Scanning system B, it is achieved the collecting measurement data of rock appearance deformation collects, and transmit to Computer reprocessing system E and deposited Storage；It is calculated the deformation extent of rock in rock crustal stress process of the test by Computer reprocessing system E, draws out rock Mutual relation curve between deformation, time, viscoelasticity, and visualized display；
(2) coordinate scanning multistage speed loading system A to rock core short time distortion measurement by laser scanning system B, lead to Cross method of least square numerical fitting and obtain the deformation of whole boring cross-sectional profiles；
(3) obtain amplitude attenuation quotient in time by sonic test system (in figure 17) test, and then utilize following formula Calculate rock viscosity。
In formulaFor sonic wave amplitude attenuation quotient in time, obtained by acoustical testing system；For frequency of sound wave；E For elastic modulus of rock；For rock viscosity.
(4) utilize Kelvin's viscoelastic model that the viscoelastic data recorded in step 1 is analyzed, and obtained by following formula To concrete moduli.
(5) concrete moduli is utilized to calculate various places stress intensity and direction according to Hooke's law.

Claims (8)

1. Visco elastic strain surveys a test device for on-the-spot crustal stress, it is characterized in that: include scanning multistage speed loading system (A), laser scanning system (B), rock core grasping system (C), data collecting system (D), Computer reprocessing system (E) and sound wave Test system (17), wherein rock core grasping system (C) top is cased with laser scanning system (B), it is achieved the number of rock appearance deformation According to measurement；Scanning multistage speed loading system (A) combining laser scanning system (B), it is achieved rock appearance is gathered the week of data Phase property measures；Sonic test system (17) depends on rock core grasping system (C), and is fixed on the centre position of sample；Data acquisition Collecting system (D) depends on laser scanning system (B), it is achieved the collecting measurement data of rock appearance deformation collects, and transmits to meter Calculation machine after-treatment system (E) is stored；It is calculated in rock crustal stress process of the test by Computer reprocessing system (E) The deformation extent of rock, draws out the mutual relation curve between rock deformation, time, viscoelasticity, and is visualized display, meter Calculate on-the-spot crustal stress.
Visco elastic strain the most according to claim 1 surveys the test device of on-the-spot crustal stress, it is characterized in that: described scanning Multistage speed loading system (A) includes outer casing upper cover (9), multistage speed adapter (6), transmission arm (5), wherein, outer casing upper cover (9) being fixed by side casings (2), multistage speed adapter (6) and transmission arm (5) are fixed on outer casing upper cover (9), multistage speed Degree adapter (6) is connected with Computer reprocessing system (E) by the control transmission line (7) in data collecting system (D)；
Visco elastic strain the most according to claim 2 surveys the test device of on-the-spot crustal stress, it is characterized in that: described laser Scanning system (B) includes laser scanning runing rest (1), cylinder (13), annulus (14), two laser scanning runing rests (1) Bottom be fixed on annulus (14) and cylinder (13), be fixed together with base by annulus (14) and cylinder (13), multiple Airborne laser range finder (11) the most equidistantly arranges, the top of described laser scanning runing rest (1) and transmission arm (5) Connect, scan runing rest for stabilized lasers, and make it control to rotate by transmission arm (5)；Airborne laser range finder (11) and data Data line (8) in acquisition system (D) is connected, and the data of airborne laser range finder are transferred to Computer reprocessing system (E).
Visco elastic strain the most according to claim 3 surveys the test device of on-the-spot crustal stress, it is characterized in that: described rock core Grasping system (C) includes base (3), core holding unit (4) and axial strain test device (18), and the upside of base (3) is provided with Lobe (16), in mating connection with laser scanning runing rest (1) by longitudinal draw-in groove (10) and horizontal draw-in groove (15), and rock Heart clamp holder (4) is fixed on base (3)；Axial strain test system (18) is positioned at test specimen top, is mainly used in testing test specimen The change of axial strain.
Visco elastic strain the most according to claim 1 surveys the test device of on-the-spot crustal stress, it is characterized in that: described sound wave Test system (17) includes sonic probe and oscilloscope apparatus, and is connected with rock core grasping system (C), is fixed on the centre of sample Position.
Visco elastic strain the most according to claim 4 surveys the test device of on-the-spot crustal stress, it is characterized in that: described longitudinal direction In the susceptor surface in the outside that draw-in groove (10) is arranged on lobe (16), horizontal draw-in groove (15) is arranged on the upper of lobe (16) Portion, coordinates fixing by longitudinal draw-in groove (10) with cylinder (13), coordinates fixing with annulus (14) by horizontal draw-in groove, thus will swash Photoscanning runing rest (1) is fixed together with base (3).
Visco elastic strain the most according to claim 3 surveys the test device of on-the-spot crustal stress, it is characterized in that: described laser Range finder (11) is provided with five.
8. the Visco elastic strain that a kind uses according to any one of claim 1-7 surveys the measurement of the test device of on-the-spot crustal stress Method, is characterized in that comprising the following steps:
(1) in cylindrical standard sample is positioned over rock core grasping system (C), lay, install experimental apparatus many to scanning The parameter of step velocity loading system (A), data collecting system (D) and Computer reprocessing system (E) is configured；Wherein rock core The laser scanning system (B) that grasping system (C) top is cased with, it is achieved the DATA REASONING of rock appearance deformation；Scanning multistage speed Loading system (A) combining laser scanning system (B), it is achieved the periodicity that rock appearance gathers data measures；Data acquisition system System (D) depends on laser scanning system (B), it is achieved the collecting measurement data of rock appearance deformation collects, and transmits to computer After-treatment system (E) is stored；It is calculated rock in rock crustal stress process of the test by Computer reprocessing system (E) Deformation extent, draw out the mutual relation curve between rock deformation, time, viscoelasticity, and visualized display, calculate On-the-spot crustal stress；
(2) coordinate scanning multistage speed loading system (A) to rock core short time distortion measurement by laser scanning system (B), lead to Cross method of least square numerical fitting and obtain the deformation of whole boring cross-sectional profiles, and calculate maximum according to Elasticity formula And minimum horizontal principal stress.
CN201510256914.9A 2015-05-19 2015-05-19 A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress Expired - Fee Related CN105136347B (en)

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Application Number Priority Date Filing Date Title
CN201510256914.9A CN105136347B (en) 2015-05-19 2015-05-19 A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress
CN201610569248.9A CN106017745B (en) 2015-05-19 2015-05-19 A kind of test device of scene crustal stress
CN201610598866.6A CN106092396B (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610601260.3A CN106289586A (en) 2015-05-19 2015-05-19 A kind of test device of the on-the-spot crustal stress of petroleum engineering
CN201610559122.3A CN106289585B (en) 2015-05-19 2015-05-19 A kind of measurement method of the test device of the live crustal stress of Visco elastic strain survey
CN201610600127.6A CN106124097A (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610536404.1A CN106197798B (en) 2015-05-19 2015-05-19 Visco elastic strain surveys the test device of live crustal stress

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Application Number Priority Date Filing Date Title
CN201510256914.9A CN105136347B (en) 2015-05-19 2015-05-19 A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress

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CN201610536404.1A Division CN106197798B (en) 2015-05-19 2015-05-19 Visco elastic strain surveys the test device of live crustal stress
CN201610598866.6A Division CN106092396B (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610601260.3A Division CN106289586A (en) 2015-05-19 2015-05-19 A kind of test device of the on-the-spot crustal stress of petroleum engineering
CN201610600127.6A Division CN106124097A (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610569248.9A Division CN106017745B (en) 2015-05-19 2015-05-19 A kind of test device of scene crustal stress
CN201610559122.3A Division CN106289585B (en) 2015-05-19 2015-05-19 A kind of measurement method of the test device of the live crustal stress of Visco elastic strain survey

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CN105136347B true CN105136347B (en) 2016-08-24

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CN201610601260.3A Pending CN106289586A (en) 2015-05-19 2015-05-19 A kind of test device of the on-the-spot crustal stress of petroleum engineering
CN201610598866.6A Active CN106092396B (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610536404.1A Expired - Fee Related CN106197798B (en) 2015-05-19 2015-05-19 Visco elastic strain surveys the test device of live crustal stress
CN201610559122.3A Expired - Fee Related CN106289585B (en) 2015-05-19 2015-05-19 A kind of measurement method of the test device of the live crustal stress of Visco elastic strain survey
CN201510256914.9A Expired - Fee Related CN105136347B (en) 2015-05-19 2015-05-19 A kind of Visco elastic strain surveys test device and the measuring method of on-the-spot crustal stress
CN201610600127.6A Pending CN106124097A (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
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