CN106197798A - Visco elastic strain surveys the test device of on-the-spot crustal stress - Google Patents

Visco elastic strain surveys the test device of on-the-spot crustal stress Download PDF

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CN106197798A
CN106197798A CN201610536404.1A CN201610536404A CN106197798A CN 106197798 A CN106197798 A CN 106197798A CN 201610536404 A CN201610536404 A CN 201610536404A CN 106197798 A CN106197798 A CN 106197798A
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rock
laser scanning
data
crustal stress
test
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CN106197798B (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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    • 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
    • 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
    • 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)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (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 the test device of on-the-spot crustal stress, its technical scheme is: 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.The invention has the beneficial effects as follows: this kind of measurement apparatus measure field can strain crustal stress, simple to operate, reliable results, and can intuitively visualize display result.

Description

Visco elastic strain surveys the test device 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.
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, is mainly used for measuring the horizontal stress state understanding underground point, including size and the side of principal stress To.
A kind of Visco elastic strain that the present invention mentions surveys the test device of on-the-spot crustal stress, and its technical scheme is: include sweeping Retouch multistage speed loading system (A), laser scanning system (B), rock core grasping system (C), data collecting system (D), computer After-treatment system (E) and sonic test system (17), wherein rock core grasping system (C) top is cased with laser scanning system (B), real The DATA REASONING of existing rock appearance deformation；Scanning multistage speed loading system (A) combining laser scanning system (B), it is achieved to rock Stone appearance gathers the periodicity of data and measures；Sonic test system (17) depends on rock core and accommodates system (C), and is fixed on sample Centre position；Data collecting system (D) depends on laser scanning system (B), it is achieved the DATA REASONING of rock appearance deformation is adopted Collection collects, and transmits to Computer reprocessing system (E) and stored；It is calculated rock by Computer reprocessing system (E) The deformation extent of rock in stone crustal stress process of the test, draws out the mutual relation curve between rock deformation, time, viscoelasticity, And visualized display, calculate on-the-spot crustal stress；
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) is fixed by side casings (2), and multistage speed adapter (6) and transmission arm (5) are fixed on shell On lid (9), multistage speed adapter (6) is by the control transmission line (7) in data collecting system (D) and Computer reprocessing system System (E) is connected；
Described laser scanning system (B) includes laser scanning runing rest (1), cylinder (13), annulus (14), and two laser are swept The bottom retouching runing rest (1) is fixed on annulus (14) and cylinder (13), solid with base by annulus (14) and cylinder (13) Being scheduled on together, multiple airborne laser range finders (11) the most equidistantly arrange, described laser scanning runing rest (1) upper Side is connected with transmission arm (5), scans runing rest for stabilized lasers, and makes it control to rotate by transmission arm (5)；Laser ranging Device (11) is connected, after the data of airborne laser range finder are transferred to computer with the data line (8) in data collecting system (D) Processing system (E).
Preferably, above-mentioned rock core grasping system (C) includes base (3), core holding unit (4) and axial strain test dress Putting (18), the upside of base (3) is provided with lobe (16), is revolved with laser scanning by longitudinal draw-in groove (10) and horizontal draw-in groove (15) Turn support (1) in mating connection, and core holding unit (4) is fixed on base (3)；Axial strain test system (18) is positioned at examination Part top, is mainly used in testing the change of test specimen axial strain.
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 dissection 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, meter Calculation machine after-treatment system E；Laser scanning runing rest 1, side casings 2, base 3, core holding unit 4, transmission arm 5, multistage speed Degree 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 scanning runing rest 1, cylinder 13, annulus 14, two laser scanning rotations The bottom turning support 1 is fixed on annulus 14 and cylinder 13, is fixed together with base by annulus 14 and cylinder 13, multiple sharp Ligh-ranging device 11 the most equidistantly arranges, and the top of described laser scanning runing rest 1 is connected with transmission arm 5, uses Scan runing rest in stabilized lasers, and make it control to rotate by transmission arm 5；In airborne laser range finder 11 and data collecting system D Data line 8 be 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 airborne laser range finder 11 is provided with five airborne laser range finders 11.Wherein, two laser scanning runing rests 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 test device of on-the-spot crustal stress, comprises the following steps:
(1) cylindrical standard sample is positioned in rock core grasping system C, lay, install experimental apparatus and to scanning multistage The parameter of speed loading system A, data collecting system D and Computer reprocessing system E is configured；Wherein rock core grasping system The laser scanning system B being cased with above C, it is achieved the DATA REASONING of rock appearance deformation；Scanning multistage speed loading system A combines 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 stored；Logical Cross Computer reprocessing system E and be calculated the deformation extent of rock in rock crustal stress process of the test, draw out rock deformation, Mutual relation curve between time, viscoelasticity, and visualized display；
(2) by laser scanning system B coordinate scanning multistage speed loading system A to rock core short time distortion measurement, by Little square law numerical fitting obtains 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 to 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 (2)

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 and accommodates 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；
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) is fixed by side casings (2), and multistage speed adapter (6) and transmission arm (5) are fixed on shell On lid (9), multistage speed adapter (6) is by the control transmission line (7) in data collecting system (D) and Computer reprocessing system System (E) is connected；
Described laser scanning system (B) includes laser scanning runing rest (1), cylinder (13), annulus (14), and two laser are swept The bottom retouching runing rest (1) is fixed on annulus (14) and cylinder (13), solid with base by annulus (14) and cylinder (13) Being scheduled on together, multiple airborne laser range finders (11) the most equidistantly arrange, described laser scanning runing rest (1) upper Side is connected with transmission arm (5), scans runing rest for stabilized lasers, and makes it control to rotate by transmission arm (5)；Laser ranging Device (11) is connected, after the data of airborne laser range finder are transferred to computer with the data line (8) in data collecting system (D) Processing system (E).
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 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.
CN201610536404.1A 2015-05-19 2015-05-19 Visco elastic strain surveys the test device of live crustal stress Expired - Fee Related CN106197798B (en)

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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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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
CN201610536404.1A Expired - Fee Related CN106197798B (en) 2015-05-19 2015-05-19 Visco elastic strain surveys the test device of live crustal stress
CN201610569248.9A Active CN106017745B (en) 2015-05-19 2015-05-19 A kind of test device of scene crustal stress
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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
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CN105136347B (en) 2016-08-24
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CN106092396A (en) 2016-11-09
CN106289586A (en) 2017-01-04

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