CN106197798B - Visco elastic strain surveys the test device of live crustal stress - Google Patents

Visco elastic strain surveys the test device of live crustal stress Download PDF

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Publication number
CN106197798B
CN106197798B CN201610536404.1A CN201610536404A CN106197798B CN 106197798 B CN106197798 B CN 106197798B CN 201610536404 A CN201610536404 A CN 201610536404A CN 106197798 B CN106197798 B CN 106197798B
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rock
data
test
laser scanning
deformation
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CN201610536404.1A
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Chinese (zh)
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CN106197798A (en
Inventor
朱丽红
王京印
张玉
刘晓兰
贾江鸿
董广华
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China University of Petroleum UPC East China
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China University of Petroleum UPC East China
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Priority to CN201610536404.1A priority Critical patent/CN106197798B/en
Priority to CN201510256914.9A priority patent/CN105136347B/en
Publication of CN106197798A publication Critical patent/CN106197798A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/24Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infra-red, visible light, ultra-violet
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/06Measuring force or stress, in general by measuring the permanent deformation of gauges, e.g. of compressed bodies
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical means
    • G01B11/16Measuring arrangements characterised by the use of optical means for measuring the deformation in a solid, e.g. optical strain gauge
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0047Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • G01N29/11Analysing solids by measuring attenuation of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N2011/006Determining flow properties indirectly by measuring other parameters of the system
    • G01N2011/0073Determining flow properties indirectly by measuring other parameters of the system acoustic properties
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/023Solids
    • G01N2291/0232Glass, ceramics, concrete or stone
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • G01N2291/02818Density, viscosity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • G01N2291/02827Elastic parameters, strength or force

Abstract

The present invention relates to the test device that a kind of Visco elastic strain surveys live crustal stress, technical solution is:Laser scanning system is applied above rock core grasping system, realizes the DATA REASONING of rock appearance deformation;Multistage speed loading system combining laser scanning system is scanned, realizes periodical the measuring to rock appearance acquisition data;Data collection system depends on laser scanning system, realizes that the collecting measurement data of rock appearance deformation summarizes, and be transmitted to Computer reprocessing system and stored and handled.The beneficial effects of the invention are as follows:Such measuring device can measure scene strain crustal stress, easy to operate, as a result reliably, and can intuitive visualization display result.

Description

Visco elastic strain surveys the test device of live crustal stress
Technical field
The present invention relates to a kind of petroleum engineering technology, in particular to a kind of Visco elastic strain surveys the survey of live crustal stress Trial assembly is set.
Background technique
The data in relation to In-situ stress, such as wellbore in drilling process are had increasing need in petroleum engineering Stable problem;Formation fracture pressure prediction;Fracturing engineering design;Formation fracture problem in high pressure water injection;The sliding of tomography and Resurrection problem;It is carried outside casing pipe and calculates and its resist crowded service life computational problem etc..It is existing to ask all of crustal stress size and direction In method, there is certain limitation, therefore cut both ways, is generally difficult simultaneously accurately to find out the direction of crustal stress and big It is small.
Summary of the invention
The purpose of the present invention is to drawbacks described above of the existing technology, provide a kind of Visco elastic strain survey scene ground The test device of stress is mainly used for the horizontal stress state that measurement understands underground point, size and side including principal stress To.
A kind of Visco elastic strain that the present invention mentions surveys the test device of live crustal stress, and technical solution is:Including sweeping Retouch multistage speed loading system(A), laser scanning system(B), rock core grasping system(C), data collection system(D), computer After-treatment system(E)With sound wave test macro(17), wherein rock core grasping system(C)Top is cased with laser scanning system(B), real The DATA REASONING of existing rock appearance deformation;Scan multistage speed loading system(A)Combining laser scanning system(B), realize to rock Stone appearance acquires the periodical measurement of data;Sonic test system(17)Depend on rock core aid system(C), and it is fixed on sample Middle position;Data collection system(D)Depend on laser scanning system(B), realize that the DATA REASONING of rock appearance deformation is adopted Collection summarizes, and is transmitted to Computer reprocessing system(E)It is stored;Pass through Computer reprocessing system(E)Rock is calculated The deformation extent of rock, draws out the correlation curve between rock deformation, time, viscoplasticity during the test of stone crustal stress, And give visualization display, calculate live crustal stress;
The scanning multistage speed loading system(A)Including outer casing upper cover(9), multistage speed adapter(6), transmission arm (5), wherein outer casing upper cover(9)Pass through side casings(2)It is fixed, multistage speed adapter(6)And transmission arm(5)It is fixed on outer Shell upper cover(9)On, multistage speed adapter(6)Pass through data collection system(D)In control transmission line(7)After computer Reason system(E)It is connected;
The laser scanning system(B)Including laser scanning runing rest(1), cylinder(13), annulus(14), two are swashed Optical scanning runing rest(1)Lower part be fixed on annulus(14)And cylinder(13)On, pass through annulus(14)And cylinder(13)The bottom of with Seat is fixed together, multiple airborne laser range finders(11)Equidistant arrangement along the vertical direction, the laser scanning runing rest(1) Top and transmission arm(5)Connection scans runing rest for stabilized lasers, and makes it by transmission arm(5)Control rotation;Laser Range finder(11)With data collection system(D)In data line(8)It is connected, the data of airborne laser range finder is transferred to calculating Machine after-treatment system(E).
Preferably, above-mentioned rock core grasping system(C)Including pedestal(3), core holding unit(4)It tests and fills with axial strain It sets(18), pedestal(3)Upside be equipped with lug boss(16), pass through longitudinal card slot(10)And horizontal card slot(15)It is revolved with laser scanning Turn bracket(1)It is in mating connection, and core holding unit(4)It is fixed on pedestal(3)On;Axial strain test macro(18)Positioned at examination Part top is mainly used for testing the variation of test specimen axial strain.
The beneficial effects of the invention are as follows:The test result that Visco elastic strain of the present invention surveys the measuring device of live crustal stress can Measure field strains crustal stress, easy to operate, as a result reliably, and can intuitive visualization display result;In addition, test of the invention As a result important experimental technique can be provided for the measurement of crustal stress to support.
Detailed description of the invention
Attached drawing 1 is overall structure diagram of the invention;
Attached drawing 2 is the dissection explanatory diagram of each component of the invention;
Attached drawing 3 is scanner runing rest modular construction schematic diagram of the invention;
In upper figure:Scan multistage speed loading system A, laser scanning system B, rock core grasping system C, data collection system D, Computer reprocessing system E;It is laser scanning runing rest 1, side casings 2, pedestal 3, core holding unit 4, transmission arm 5, more Step velocity adapter 6, control transmission line 7, data line 8, outer casing upper cover 9, scanning runing rest card slot 10, airborne laser range finder 11, computer 12, cylinder 13, annulus 14, horizontal card slot 15, lug boss 16, sonic test system 17, axial displacement meter 18.
Specific embodiment
Referring to attached drawing 1-3, a kind of Visco elastic strain that the present invention mentions surveys the test device of live crustal stress, including scanning Multistage speed loading system A, laser scanning system B, rock core grasping system C, data collection system D, Computer reprocessing system E is wherein cased with laser scanning system B above rock core grasping system C, realize the DATA REASONING of rock appearance deformation;Scanning is multistage Speed loading system A combining laser scanning system B realizes periodical the measuring to rock appearance acquisition data;Data acquisition system System D depends on laser scanning system B, realizes that the collecting measurement data of rock appearance deformation summarizes, and after being transmitted to computer Reason system E is stored;The deformation journey of rock during the test of rock crustal stress is calculated by Computer reprocessing system E Degree, draws out the correlation curve between rock deformation, time, viscoplasticity, and give visualization display, calculates and answer lively 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 by the control transmission line 7 in data collection system D with Computer reprocessing system E.
In addition, laser scanning system B includes laser scanning runing rest 1, cylinder 13, annulus 14, two laser scanning rotations The lower part for turning bracket 1 is fixed on annulus 14 and cylinder 13, is fixed together by annulus 14 and cylinder 13 with pedestal, multiple to swash Equidistant arrangement, the top of the laser scanning runing rest 1 are connect ligh-ranging device 11 with transmission arm 5 along the vertical direction, are used Runing rest is scanned in stabilized lasers, and controls it by transmission arm 5 and rotates;In airborne laser range finder 11 and data collection system D Data line 8 be connected, the data of airborne laser range finder are transferred to Computer reprocessing system E.
In addition, rock core grasping system C includes pedestal 3, core holding unit 4, the upside of pedestal 3 is equipped with lug boss 16, passes through Longitudinal card slot 10 and horizontal card slot 15 and laser scanning runing rest 1 are in mating connection, and core holding unit 4 is fixed on pedestal 3 On, the core holding unit 4 wraps up elastic rubber close to the position of core sample.
Data collection system D includes data line 8 and control transmission line 7, and passes through data line 8 and control transmission Line 7 is connected respectively to Computer reprocessing system E, computer stored the data of timing acquiring by data exchange mouth, It has been shown that, and based on data processing visualization procedure be calculated test during rock external deformation, draw out rock deformation, Correlation curve between time, stress and strain parameter, and give visualization display.
Referring to attached drawing 2, in the susceptor surface in the outside that lug boss 16 is arranged in longitudinal card slot 10, the setting of horizontal card slot 15 exists The top of lug boss 16 is fixed by longitudinal card slot 10 and the cooperation of cylinder 13, is fixed by horizontal card slot and the cooperation of annulus 14, from And laser scanning runing rest 1 and pedestal 3 are fixed together;Above-mentioned airborne laser range finder 11 is set there are five airborne laser range finder 11.Wherein, two laser scanning runing rests 1, one group of strain value take the data scanned in the two half period;Strain value takes 5 A 11 sum of airborne laser range finder is averaged, for ensuring sample measurement accuracy;Sample used is cylindrical sample, and diameter is 50mm can highly be adjusted between 90-110mm, and sample is fitted into core sample grasping system C;
A kind of Visco elastic strain that the present invention mentions surveys the test device of live crustal stress, includes the following steps:
(1)Cylindrical standard sample is placed in rock core grasping system C, places, install laboratory apparatus and to scanning The parameter of multistage speed loading system A, data collection system D and Computer reprocessing system E are configured;Wherein rock core clamps The laser scanning system B being cased with above system C realizes the DATA REASONING of rock appearance deformation;Scan multistage speed loading system A Combining laser scanning system B realizes periodical the measuring to rock appearance acquisition data;Data collection system D depends on laser Scanning system B realizes that the collecting measurement data of rock appearance deformation summarizes, and is transmitted to Computer reprocessing system E and is deposited Storage;The deformation extent of rock during the test of rock crustal stress is calculated by Computer reprocessing system E, draws out rock Correlation curve between deformation, time, viscoplasticity, and give visualization display;
(2)Cooperate scanning multistage speed loading system A to rock core short time distortion measurement by laser scanning system B, leads to Cross the deformation that least square method numerical fitting obtains entire drilling cross-sectional profiles;
(3)Pass through sonic test system(17 in figure)Test obtains the attenuation coefficient of amplitude at any time, and then utilizes following formula Calculate rock viscosity
In formulaFor the attenuation coefficient of sonic wave amplitude at any time, obtained by acoustical testing system;For frequency of sound wave;E For elastic modulus of rock;For rock viscosity.
(4)The viscoelastic data measured in step 1 is analyzed using Kelvin's viscoelastic model, and is obtained by following formula To concrete moduli.
(5)Various regions stress intensity and direction are calculated according to Hooke's law using concrete moduli.

Claims (1)

1. a kind of Visco elastic strain surveys the test device of live crustal stress, it is characterized in that:Including scanning multistage speed loading system (A), laser scanning system(B), rock core grasping system(C), data collection system(D), Computer reprocessing system(E)And sound wave Test macro(17), wherein rock core grasping system(C)Top is cased with laser scanning system(B), realize the number of rock appearance deformation According to measurement;Scan multistage speed loading system(A)Combining laser scanning system(B), realize the week to rock appearance acquisition data The measurement of phase property;Sonic test system(17)Depend on rock core grasping system(C), and it is fixed on the middle position of sample;Data are adopted Collecting system(D)Depend on laser scanning system(B), realize that the collecting measurement data of rock appearance deformation summarizes, and be transmitted to meter Calculation machine after-treatment system(E)It is stored;Pass through Computer reprocessing system(E)It is calculated during the test of rock crustal stress The deformation extent of rock draws out the correlation curve between rock deformation, time, viscoplasticity, and gives visualization display, meter Calculate live crustal stress;
The scanning multistage speed loading system(A)Including outer casing upper cover(9), multistage speed adapter(6), transmission arm(5), Wherein, outer casing upper cover(9)Pass through side casings(2)It is fixed, multistage speed adapter(6)And transmission arm(5)It fixes on the shell Lid(9)On, multistage speed adapter(6)Pass through data collection system(D)In control transmission line(7)With Computer reprocessing system System(E)It is connected;
The laser scanning system(B)Including laser scanning runing rest(1), cylinder(13), annulus(14), two laser sweep Retouch runing rest(1)Lower part be fixed on annulus(14)And cylinder(13)On, pass through annulus(14)And cylinder(13)It is solid with pedestal It is scheduled on together, multiple airborne laser range finders(11)Equidistant arrangement along the vertical direction, the laser scanning runing rest(1)It is upper Side and transmission arm(5)Connection scans runing rest for stabilized lasers, and makes it by transmission arm(5)Control rotation;Laser ranging Device(11)With data collection system(D)In data line(8)It is connected, after the data of airborne laser range finder are transferred to computer Processing system(E);
The rock core grasping system(C)Including pedestal(3), core holding unit(4)With axial strain test macro(18), bottom Seat(3)Upside be equipped with lug boss(16), pass through longitudinal card slot(10)And horizontal card slot(15)With laser scanning runing rest(1) It is in mating connection, and core holding unit(4)It is fixed on pedestal(3)On;Axial strain test macro(18)It is main positioned at test specimen top It is used to test the variation of test specimen axial strain;
The sonic test system(17)Including sonic probe and oscilloscope apparatus, and with rock core grasping system(C)It is connected, Gu Due to the middle position of sample;
Data collection system(D)Including data line(8)With control transmission line(7), and pass through data line(8)And control Transmission line(7)It is connected respectively to Computer reprocessing system(E), computer given the data of timing acquiring by data exchange mouth To store, show, and based on data processing visualization procedure be calculated test during rock external deformation, draw out rock Correlation curve between stone deformation, time, stress and strain parameter, and give visualization display.
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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CN201610600127.6A Pending CN106124097A (en) 2015-05-19 2015-05-19 A kind of test device of crustal stress
CN201610598866.6A Active CN106092396B (en) 2015-05-19 2015-05-19 A kind of test device of 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
CN201610569248.9A Active CN106017745B (en) 2015-05-19 2015-05-19 A kind of test device of scene crustal stress
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
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

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CN201610598866.6A Active CN106092396B (en) 2015-05-19 2015-05-19 A kind of test device of 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
CN201610569248.9A Active CN106017745B (en) 2015-05-19 2015-05-19 A kind of test device of scene crustal stress
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
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

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CN106197798B (en) * 2015-05-19 2018-11-16 中国石油大学(华东) Visco elastic strain surveys the test device of live crustal stress
CN105784971A (en) * 2016-03-25 2016-07-20 大连理工大学 Experimental facility for utilizing anelastic strain recovery method for in situ analysis of aquo-complex settled layer stress state
CN106124290A (en) * 2016-06-01 2016-11-16 宋娟 A kind of rock mechanics parameters rectifies an instrument
CN107014704B (en) * 2017-05-15 2019-06-25 东北大学 A kind of short rock bar viscosity coefficient test method for propagating analysis based on viscoelasticity wave
CN109298010A (en) * 2017-07-25 2019-02-01 中国石油化工股份有限公司 A kind of system detecting core high-temperature fusion feature
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CN108132186B (en) * 2017-12-22 2020-11-13 中国矿业大学(北京) Method for determining ground stress direction based on conventional single triaxial compression test
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CN105136347A (en) 2015-12-09
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CN106289586A (en) 2017-01-04
CN106092396B (en) 2018-12-14
CN106017745A (en) 2016-10-12
CN106197798A (en) 2016-12-07
CN106017745B (en) 2019-01-08
CN106124097A (en) 2016-11-16
CN106289585A (en) 2017-01-04
CN106289585B (en) 2019-04-09

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