WO2015002557A3 - Method and system for measuring relative changes in stress concentration in front of a longwall - Google Patents

Method and system for measuring relative changes in stress concentration in front of a longwall Download PDF

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Publication number
WO2015002557A3
WO2015002557A3 PCT/PL2014/000124 PL2014000124W WO2015002557A3 WO 2015002557 A3 WO2015002557 A3 WO 2015002557A3 PL 2014000124 W PL2014000124 W PL 2014000124W WO 2015002557 A3 WO2015002557 A3 WO 2015002557A3
Authority
WO
WIPO (PCT)
Prior art keywords
longwall
stress
relative changes
shearer
seismic
Prior art date
Application number
PCT/PL2014/000124
Other languages
French (fr)
Other versions
WO2015002557A2 (en
Inventor
Zbigniew ISAKOW
Marek DWORAK
Adam GOŁĄBEK
Original Assignee
Instytut Technik Innowacyjnych Emag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Instytut Technik Innowacyjnych Emag filed Critical Instytut Technik Innowacyjnych Emag
Priority to UAA201501086A priority Critical patent/UA118088C2/en
Priority to CN201480002445.1A priority patent/CN105765409B/en
Priority to RU2015101765/03A priority patent/RU2604532C2/en
Publication of WO2015002557A2 publication Critical patent/WO2015002557A2/en
Publication of WO2015002557A3 publication Critical patent/WO2015002557A3/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/003—Seismic data acquisition in general, e.g. survey design
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/30—Analysis
    • G01V1/306—Analysis for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C39/00—Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/30—Analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/30—Analysis
    • G01V1/303—Analysis for determining velocity profiles or travel times
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/10—Aspects of acoustic signal generation or detection
    • G01V2210/12—Signal generation
    • G01V2210/123—Passive source, e.g. microseismics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/10—Aspects of acoustic signal generation or detection
    • G01V2210/12—Signal generation
    • G01V2210/123—Passive source, e.g. microseismics
    • G01V2210/1236—Acoustic daylight, e.g. cultural noise
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/60—Analysis
    • G01V2210/61—Analysis by combining or comparing a seismic data set with other data
    • G01V2210/612—Previously recorded data, e.g. time-lapse or 4D
    • G01V2210/6122—Tracking reservoir changes over time, e.g. due to production
    • G01V2210/6124—Subsidence, i.e. upwards or downwards
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/60—Analysis
    • G01V2210/62—Physical property of subsurface
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/60—Analysis
    • G01V2210/62—Physical property of subsurface
    • G01V2210/622—Velocity, density or impedance
    • G01V2210/6222—Velocity; travel time

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

A method for measuring relative changes in stress in front of a longwall wherein a capture-control server (6) records vibration measurement signals from 3-axis geophones (19) installed in longwall galleries (A), in close correlation with signals informing about the operation and position of a shearer (15) in the working (B), in cooperation with a processing server (10) it localises seismic phenomena. After the end of each cut by the shearer (15) it analyses relative changes in stress in the body of coal (C) in front of the longwall with attenuation-damping tomography involving analysis of seismic waves (FK). After ending the cut, during the shearer (15) standstill, it performs active velocity/attenuation tomography by seismic imaging of the rock mass between the longwall galleries (A) using seismic waves (FS), and then analyses the stress with passive velocity/attenuation tomography using seismic waves (FP). Then periodically, preferably several times during one mining shift, the averaged cumulated tomographic maps of relative changes in stress, and/or maps of particular tomographies are drawn. A corresponding system is provided.
PCT/PL2014/000124 2014-10-30 2014-10-31 Method and system for measuring relative changes in stress concentration in front of a longwall WO2015002557A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
UAA201501086A UA118088C2 (en) 2014-10-30 2014-10-31 Method and system for measuring relative changes in stress concentration in front of a longwall
CN201480002445.1A CN105765409B (en) 2014-10-30 2014-10-31 For measuring the method and system for the opposite variation that the stress in front of longwell is concentrated
RU2015101765/03A RU2604532C2 (en) 2014-10-30 2014-10-31 Method of stress concentration relative changes measuring in front of mining face front

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PLP.409987 2014-10-30
PL409987A PL230218B1 (en) 2014-10-30 2014-10-30 Method and the system for measurements of relative changes in concentration of stresses in front of the mining longwall face

Publications (2)

Publication Number Publication Date
WO2015002557A2 WO2015002557A2 (en) 2015-01-08
WO2015002557A3 true WO2015002557A3 (en) 2015-09-11

Family

ID=52021409

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/PL2014/000124 WO2015002557A2 (en) 2014-10-30 2014-10-31 Method and system for measuring relative changes in stress concentration in front of a longwall

Country Status (5)

Country Link
CN (1) CN105765409B (en)
PL (1) PL230218B1 (en)
RU (1) RU2604532C2 (en)
UA (1) UA118088C2 (en)
WO (1) WO2015002557A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106291702A (en) * 2016-10-17 2017-01-04 中国矿业大学 A kind of Time-lapse Seismic Monitoring method of mining areas of mine area of stress concentration
CN107091089B (en) * 2017-07-04 2019-01-11 中国矿业大学 Automatic lifting of shearer device and method based on coalcutter focus forward probe
CN108956933B (en) * 2017-08-25 2023-07-14 山东科技大学 Method and device for simulating reverse fault formation in laboratory
CN110261901B (en) * 2019-06-10 2020-06-23 武汉大学 Deep rock mass rockburst intensity evaluation method based on induced vibration
CN111413735B (en) * 2020-05-11 2022-08-26 安徽理工大学 Coal face rapid earthquake transmission chromatography method capable of simultaneously exciting multiple seismic sources
CN111812714B (en) * 2020-06-08 2022-11-15 中煤科工集团西安研究院有限公司 Coal seam longitudinal and transverse wave velocity obtaining method based on refracted longitudinal waves and high-frequency trough waves
RU2768768C1 (en) * 2021-06-02 2022-03-24 Федеральное государственное автономное образовательное учреждение высшего образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ") Method for determining the stress state of rock formations
CN113779789B (en) * 2021-09-06 2022-06-21 重庆大学 Intelligent working face overlying rock stress sensing method based on support dynamic pressure difference index
CN114089438B (en) * 2021-10-27 2024-05-28 中矿中和智能地质工程(江苏)研究院有限公司 Intelligent monitoring system for coal mine land survey prevention and control water

Citations (1)

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US4819759A (en) 1988-03-14 1989-04-11 Atlantic Richfield Company Telescoping actuator for impulsive seismic source
DE19944032B4 (en) 1999-09-14 2008-01-03 Geoforschungszentrum Potsdam Apparatus and method for generating seismic vibrations
BRPI0510007B1 (en) * 2004-04-21 2017-03-07 Halliburton Energy Services Inc micro seismic fracture mapping using seismic source timing measurements for speed calibration
PL202149B1 (en) 2004-05-10 2009-06-30 Ct Elektryfikacji I Automatyza System for continuous monitoring of relative changes in stresses occurring before the longwall
PL207323B1 (en) 2006-01-23 2010-12-31 Głowny Inst Gornictwa Method of determination of the value of the effective seismic waves energy absorption factor in front of the mining wall machined with a combine
CN101581789A (en) * 2009-06-23 2009-11-18 刘盛东 Mine working face inter-lane seismic wave CT detection method
CN101762830B (en) * 2009-09-29 2013-01-02 中国矿业大学 Distributed coal mine rock burst monitoring method
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Non-Patent Citations (3)

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Title
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Also Published As

Publication number Publication date
UA118088C2 (en) 2018-11-26
PL230218B1 (en) 2018-10-31
CN105765409A (en) 2016-07-13
CN105765409B (en) 2019-07-12
RU2604532C2 (en) 2016-12-10
PL409987A1 (en) 2016-05-09
WO2015002557A2 (en) 2015-01-08
RU2015101765A (en) 2016-08-27

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