巷道前方煤体波速与瓦斯参数相关分析研究
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摘要
为了获取掘进巷道前方煤体地震波速度和瓦斯参数间的对应关系,以阳泉五矿为实施矿井.采用矿井地震波速度超前探测方法对掘进煤巷进行探测,通过初至波拾取获得地震波原始记录中纵、横波速,并与巷道前方30m范围内平均瓦斯参数作相关分析.分析结果表明:一定条件下,煤体瓦斯含量越高,其地震波纵、横波速度越低.运用曲线拟合对纵、横波视速度与瓦斯绝对涌出量和瓦斯浓度进行拟合发现:纵、横波视速度与瓦斯绝对涌出量间存在ΔP=-4.6415Vp-2.7048Vs+16.1353的负线性关系;纵、横波视速度与瓦斯浓度间存在η=-0.9302Vp-0.5704Vs+3.3132的负线性关系,并对线性拟合结果进行验证表明:在误差允许范围内,计算值与实测值基本吻合.最后计算得到适用于太原组15#煤层及变质程度更高煤层的视速度瓦斯预警指标:Vp=2.00m/ms和Vs=0.73m/ms.
In order to find the relationships between apprarent seismic wave speeds and gas parameters in the drilling coal roadway.The fifth mine of YangQuan is chosen to be the testing mine.Mine Seismic Speed Detection Method is used for advanced detection.The apparent speeds of P-wave and S-wave are gained by picking up first break in the original seismic records.The average gas parameters of the 30 meters range in front of the drilling roadway are calculated.Then the correlation analysis of apparent speeds and average gas parameters are done.The results indicate that the higher the average gas parameters are the slower the apparent speeds would be under certain conditions.The curve fitting is used to finding the linear relationship between them.And the curve fitting results show that there is a negative formula(ΔP=-4.6415Vp-2.7048Vs+16.1353) between apparent speeds of P-wave and S-wave and absolute amount of gas emission.There is a similar formula(η=-0.9302Vp-0.5704Vs+3.3132) between apparent speeds of P-wave and S-wave and gas concentration.Then the above two formulas are verified to be with the accepted error range.Finally the apparent speeds gas early warning indicators which can be used in TaiYuan 15# and the higher metamorphism coal mine are calculated and the numbers are Vp=2.00 m/ms and Vs=0.73m/ms.The research results can be expected to provide a new idea and way that should be used to predict the risk of the coal and gas bursting.
In order to find the relationships between apprarent seismic wave speeds and gas parameters in the drilling coal roadway.The fifth mine of YangQuan is chosen to be the testing mine.Mine Seismic Speed Detection Method is used for advanced detection.The apparent speeds of P-wave and S-wave are gained by picking up first break in the original seismic records.The average gas parameters of the 30 meters range in front of the drilling roadway are calculated.Then the correlation analysis of apparent speeds and average gas parameters are done.The results indicate that the higher the average gas parameters are the slower the apparent speeds would be under certain conditions.The curve fitting is used to finding the linear relationship between them.And the curve fitting results show that there is a negative formula(ΔP=-4.6415Vp-2.7048Vs+16.1353) between apparent speeds of P-wave and S-wave and absolute amount of gas emission.There is a similar formula(η=-0.9302Vp-0.5704Vs+3.3132) between apparent speeds of P-wave and S-wave and gas concentration.Then the above two formulas are verified to be with the accepted error range.Finally the apparent speeds gas early warning indicators which can be used in TaiYuan 15# and the higher metamorphism coal mine are calculated and the numbers are Vp=2.00 m/ms and Vs=0.73m/ms.The research results can be expected to provide a new idea and way that should be used to predict the risk of the coal and gas bursting.
引文
[1]张许良,单菊萍,彭苏萍.瓦斯含量及涌出量的数学地质技术与方法.煤炭学报,2009,34(3):350-354.Zhang X L,Shan J P,Peng S P.Mathematical geologytechnique and method for prediction of gas content andemission.Journal of China Coal Society(in Chinese),2009,34(3):350-354.
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[3]王树鹤,孙东玲,张文杰等.防治煤与瓦斯突出规定.煤炭工业出版社,2009.Wang S H,Sun D L,Zhang W J,et al.Rules of coal and gasoutbrust prevention and cure(in Chinese).China CoalIndustry Publishing House,2009.
[4]彭苏萍,高云峰,杨瑞召等.AVO探测煤层瓦斯富集的理论探讨和初步实践.地球物理学报,2005,48(6):1475-1485.Peng S P,GaoY F,Yang R Z,et al.Theory and applicationof AVO for detection of coalbed methane.Chinese Journal ofGeophysics(in Chinese),2005,48(6):1475-1485.
[5]卢俊,王赟,石瑛.利用多波地震属性与测井数据联合反演预测煤岩的坚固性.地球物理学报,2011,54(11):2967-2972.Lu J,Wang Y,Shi Y.Coal hardness prediction using jointinversion of multi-wave seismic data and logging.ChineseJournal of Geophysics(in Chinese),2011,54(11):2967-2972.
[6]王恩元,何学秋,窦林名等.煤矿采掘过程中煤岩体地磁辐射特征及应用.地球物理学报,2005,48(1):216-221.Wang E Y,He X Q,Dou L M,et al.Electromagneticradiation characteristics of coal and rocks during excavation incoal mine and their application.Chinese Journal of Geophysics(in Chinese),2005,48(1):216-221.
[7]彭守建,许江,陶云奇等.地球物理场中的煤岩瓦斯渗流研究现状与展望.地球物理学报,2009,24(2):558-564.Peng S J,Xu J,Tao Y Q,et al.Development and prospect ofresearch on coal-seam gas seepage in the geophysical field.Chinese Journal of Geophysics(in Chinese),2009,24(2):558-564.
[8]刘银斌,李幼铭,吴如山.横向各向同性多孔介质中的地震波传播.地球物理学报,1994,37(4):499-514.Liu Y B,Li Y M,Wu R S.Seismic wave propagation intransversely isotropic porous media.Chinese Journal ofGeophysics(in Chinese),1994,37(4):499-514.
[9]俞振华,冯德山,汤井田.地震波速与吸收系数综合层析成像.地球物理学进展,2006,21(4):1338-1341.Yu Z H,Feng D S,Tang J T.The seismic tomography ofcombining velocity and absorption coefficient.Progress inGeophysics(in Chinese),2006,21(4):1338-1341.
[10]李飞,张智,曹志勇等.陷落柱地震波场特征分析.地球物理学进展,2009,24(3):886-892.Li F,Zhang Z,Cao Z Y,et al.Analysis on seismic featuresof subsided column.Progress in Geophysics(in Chinese),2009,24(3):886-892.
[11]冯宏.我国防止矿井瓦斯事故的地球物理探测技术进展.地球物理学进展,2005,20(4):1171-1175.Feng H.The progress of the tehnology of geophysical surveyto preventing gas accident occuring in the colliery in China.Progress in Geophysics(in Chinese),2005,20(4):1171-1175.
[12]刘盛东,张平松.矿井构造与瓦斯的震波超前探测技术应用分析.煤炭科学技术,2005,33(1):39-41.Liu S D,Zhang P S.Application and analysis on pilotdetecting technology of mine structure and gas with vibrationwave.Mine Scientific Technology(in Chinese),2005,33(1):39-41.
[13]张平松,刘盛东,李培根.煤矿井巷间地质构造及其异常多波联合探测技术与应用.地球物理学进展,2007,22(2):598-603.Zhang P S,Liu S D,Li P G.Multi-wave detection techniquefor geological structure and abnormity between tunnel and itsapplication in the coalfield.Progress in Geophysics(inChinese),2007,22(2):598-603.
[14]郭立泉,刘盛东.巷道构造震波超前探测技术及其应用.煤炭科学技术,2008,36(11):99-102.Guo L Q,Liu S D.Mine seismic prediction technology andapplication to mine roadway tectonic.Coal Science andTechnology(in Chinese),2008,36(11):99-102.
[15]冯晅,舒梦珵,王兆国等.P-P波与P-SV波联合AVO反演研究.地球物理学进展,2008,23(5):1556-1559.Feng X,Shu M C,Wang Z G,et al.Joint AVO inversionusing P-P and P-SV seismic data.Progress in Geophysics(inChinese),2008,23(5):1556-1559.
[16]孙福利,杨长春,麻三怀等.横波速度预测方法.地球物理学进展,2008,23(2):470-474.Sun F L,Yang C C,Ma S H,et al.An S-wave velocitypredicted method.Progress in Geophysics(in Chinese),2008,23(2):470-474.
[17]王凯,王轶波,卢杰.煤与瓦斯突出动态前兆的非线性特征研究.采矿与安全工程学报,2007,24(1):22-26.Wang K,Wang Y B,Lu J.Study on nonlinear characteristicsof dynamic precursor of coal and gas outburst.Journal ofMining and Safety Engineering(in Chinese),2007,24(1):22-26.
[2]俞启香.矿井瓦斯防治.徐州:中国矿业大学,1992.Yu Q X.Mine Gas Prevention and Cure(in Chinese).Xuzhou:China University of Mining and Technology Press,1992.
[3]王树鹤,孙东玲,张文杰等.防治煤与瓦斯突出规定.煤炭工业出版社,2009.Wang S H,Sun D L,Zhang W J,et al.Rules of coal and gasoutbrust prevention and cure(in Chinese).China CoalIndustry Publishing House,2009.
[4]彭苏萍,高云峰,杨瑞召等.AVO探测煤层瓦斯富集的理论探讨和初步实践.地球物理学报,2005,48(6):1475-1485.Peng S P,GaoY F,Yang R Z,et al.Theory and applicationof AVO for detection of coalbed methane.Chinese Journal ofGeophysics(in Chinese),2005,48(6):1475-1485.
[5]卢俊,王赟,石瑛.利用多波地震属性与测井数据联合反演预测煤岩的坚固性.地球物理学报,2011,54(11):2967-2972.Lu J,Wang Y,Shi Y.Coal hardness prediction using jointinversion of multi-wave seismic data and logging.ChineseJournal of Geophysics(in Chinese),2011,54(11):2967-2972.
[6]王恩元,何学秋,窦林名等.煤矿采掘过程中煤岩体地磁辐射特征及应用.地球物理学报,2005,48(1):216-221.Wang E Y,He X Q,Dou L M,et al.Electromagneticradiation characteristics of coal and rocks during excavation incoal mine and their application.Chinese Journal of Geophysics(in Chinese),2005,48(1):216-221.
[7]彭守建,许江,陶云奇等.地球物理场中的煤岩瓦斯渗流研究现状与展望.地球物理学报,2009,24(2):558-564.Peng S J,Xu J,Tao Y Q,et al.Development and prospect ofresearch on coal-seam gas seepage in the geophysical field.Chinese Journal of Geophysics(in Chinese),2009,24(2):558-564.
[8]刘银斌,李幼铭,吴如山.横向各向同性多孔介质中的地震波传播.地球物理学报,1994,37(4):499-514.Liu Y B,Li Y M,Wu R S.Seismic wave propagation intransversely isotropic porous media.Chinese Journal ofGeophysics(in Chinese),1994,37(4):499-514.
[9]俞振华,冯德山,汤井田.地震波速与吸收系数综合层析成像.地球物理学进展,2006,21(4):1338-1341.Yu Z H,Feng D S,Tang J T.The seismic tomography ofcombining velocity and absorption coefficient.Progress inGeophysics(in Chinese),2006,21(4):1338-1341.
[10]李飞,张智,曹志勇等.陷落柱地震波场特征分析.地球物理学进展,2009,24(3):886-892.Li F,Zhang Z,Cao Z Y,et al.Analysis on seismic featuresof subsided column.Progress in Geophysics(in Chinese),2009,24(3):886-892.
[11]冯宏.我国防止矿井瓦斯事故的地球物理探测技术进展.地球物理学进展,2005,20(4):1171-1175.Feng H.The progress of the tehnology of geophysical surveyto preventing gas accident occuring in the colliery in China.Progress in Geophysics(in Chinese),2005,20(4):1171-1175.
[12]刘盛东,张平松.矿井构造与瓦斯的震波超前探测技术应用分析.煤炭科学技术,2005,33(1):39-41.Liu S D,Zhang P S.Application and analysis on pilotdetecting technology of mine structure and gas with vibrationwave.Mine Scientific Technology(in Chinese),2005,33(1):39-41.
[13]张平松,刘盛东,李培根.煤矿井巷间地质构造及其异常多波联合探测技术与应用.地球物理学进展,2007,22(2):598-603.Zhang P S,Liu S D,Li P G.Multi-wave detection techniquefor geological structure and abnormity between tunnel and itsapplication in the coalfield.Progress in Geophysics(inChinese),2007,22(2):598-603.
[14]郭立泉,刘盛东.巷道构造震波超前探测技术及其应用.煤炭科学技术,2008,36(11):99-102.Guo L Q,Liu S D.Mine seismic prediction technology andapplication to mine roadway tectonic.Coal Science andTechnology(in Chinese),2008,36(11):99-102.
[15]冯晅,舒梦珵,王兆国等.P-P波与P-SV波联合AVO反演研究.地球物理学进展,2008,23(5):1556-1559.Feng X,Shu M C,Wang Z G,et al.Joint AVO inversionusing P-P and P-SV seismic data.Progress in Geophysics(inChinese),2008,23(5):1556-1559.
[16]孙福利,杨长春,麻三怀等.横波速度预测方法.地球物理学进展,2008,23(2):470-474.Sun F L,Yang C C,Ma S H,et al.An S-wave velocitypredicted method.Progress in Geophysics(in Chinese),2008,23(2):470-474.
[17]王凯,王轶波,卢杰.煤与瓦斯突出动态前兆的非线性特征研究.采矿与安全工程学报,2007,24(1):22-26.Wang K,Wang Y B,Lu J.Study on nonlinear characteristicsof dynamic precursor of coal and gas outburst.Journal ofMining and Safety Engineering(in Chinese),2007,24(1):22-26.
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