基于AVO技术与伪泊松比属性预测灰岩富水性的方法
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摘要
为得到羊东矿区灰岩富水性情况,首先分析了矿区内钻井与测井资料,表明研究区内的灰岩与薄煤层界面存在反射波,通过测井资料建立了符合矿区实际的地球物理模型;然后结合流体替换方法以及Shuey近似公式对模型进行了AVO正演模拟。结果表明:在石灰岩含水饱和度低时,石灰岩顶界面伪泊松比属性值变化极小;当石灰岩含水饱和度高时,该界面伪泊松比属性值骤然增大。对羊东矿区而言,伪泊松比属性值在富水性较强的区域呈现高值,在富水性较弱的区域呈现低值;最后对矿区三维地震资料进行AVO反演,并使用伪泊松比属性对矿区内伏青灰岩和大青灰岩岩溶含水层进行富水性预测。
In order to get water abundance of limestone in Yangdong Mine,firstly,the drilling data and logging data in Yangdong mine were analyzed,which indicates that there is reflection wave at the interface between limestone strata and thin coal strata in the study area. With the help of logging data,the authors established a geophysical model that is comply with Yangdong Mine. Subsequently,AVO forward modeling were carried out with fluid substitution methods and Shuey's approximation equation. Results show that the pseudo Poisson 's ratio attribute value of limestone 's roof changes a little,when water abundance of the limestone is low; the pseudo Poisson 's ratio attribute value of limestone's roof increases sharply,when water abundance of the limestone is high. For Yangdong Mine,the value of pseudo Poisson's ratio attribute in the region that has high water abundance is high,and the value of pseudo Poisson's ratio attribute in the region that has low water abundance is low. Finally,AVO inversion for 3 D seismic data in Yangdong mine were performed to make prediction of water abundance on Fuqing limestone karst aquifer and Daqing limestone karst aquifer in Yangdong Mine as using pseudo Poisson's ratio attribute.
In order to get water abundance of limestone in Yangdong Mine,firstly,the drilling data and logging data in Yangdong mine were analyzed,which indicates that there is reflection wave at the interface between limestone strata and thin coal strata in the study area. With the help of logging data,the authors established a geophysical model that is comply with Yangdong Mine. Subsequently,AVO forward modeling were carried out with fluid substitution methods and Shuey's approximation equation. Results show that the pseudo Poisson 's ratio attribute value of limestone 's roof changes a little,when water abundance of the limestone is low; the pseudo Poisson 's ratio attribute value of limestone's roof increases sharply,when water abundance of the limestone is high. For Yangdong Mine,the value of pseudo Poisson's ratio attribute in the region that has high water abundance is high,and the value of pseudo Poisson's ratio attribute in the region that has low water abundance is low. Finally,AVO inversion for 3 D seismic data in Yangdong mine were performed to make prediction of water abundance on Fuqing limestone karst aquifer and Daqing limestone karst aquifer in Yangdong Mine as using pseudo Poisson's ratio attribute.
引文
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[16]SHUEY R T.A simplification of the Zoepprittz equations[J].Geophysics,1985,50(4):609-614.
[17]魏超,郑晓东,李劲松.非线性AVO反演方法研究[J].地球物理学,2011,54(8):2110-2116.WEI Chao,ZHENG Xiaodong,LI Jinsong.A study on nonlinear AVO inverse method[J].Chinese Journal of Geophysics,2011,54(8):2110-2116.
[18]张丰麟,魏福吉,王彦春,等.基于精确Zoeprittz方程三变量柯西分布先验约束的广义线性AVO反演[J].地球物理学报,2013,56(6):2098-2115.ZHANG Fenglin,WEI Fuji,WANG Yanchun,et al.Generalized linear AVO inversion with the priori constraint of trivariate Cauchy distribution based on Zoepprittz equation[J].Chinese Journal of Geophysics,2013,56(6):2098-2115.
[19]孙秀华,王真理.最优的Zoeppritz方程的简化综述[J].地球物理学进展,2010,25(1):100-108.SUN Xiuhua,WANG Zhenli.The optimal simplified Zoepprittz equation[J].Progress in Geophysics,2010,25(1):100-108.
[20]彭苏萍,高云峰,杨瑞召,等.AVO探测煤层瓦斯富集的理论探究和初步实践——以淮南煤田为例[J].地球物理学报,2005,48(6):1475-1486.PENG Suping,GAO Yunfeng,YANG Ruizhao,et al.Theory and application of AVO for detection of coalbed methane—A case from the Huainan coalfield[J].Chinese Journal of Geophysics,2005,48(6):1475-1486.
[21]陈同俊,崔若飞,刘恩儒.VTI型构造煤AVO正演模拟[J].煤炭学报,2009,34(4):438-442.CHEN Tongjun,CUI Ruofei,LIU Enru.AVO forward modeling for VTI coal[J].Journal of China Coal Society,2009,34(4):438-442.
[22]邓小娟,彭苏萍,林庆西,等.基于各向异性的薄层AVO正演方法[J].煤炭学报,2010,35(12):2053-2058.DENG Xiaojuan,PENG Suping,LIN Qingxi,et al.AVO forward method of anisotropic thin coal bed[J].Journal of China Coal Society,2010,35(12):2053-2058.
[23]邓小娟,彭苏萍,杜文凤,等.薄煤层P-SV转换波AVO正演研究[J].煤炭学报,2012,37(1):62-66.DENG Xiaojuan,PENG Suping,DU Wenfeng,et al.Converted wave AVO forward method of P-SV thin coal bed[J].Journal of China Coal Society,2012,37(1):62-66.
[24]张铁强,孙鹏远,钱忠平,等.薄煤层AVO响应特征分析[J].石油地球物理勘探,2013,48(4):597-603.ZHANG Tieqiang,SUN Pengyuan,QIAN Zhongping,et al.Analysis of AVO response characteristics in thin coal bed[J].Oil Geophysical Prospecting,2013,48(4):597-603.
[25]渥·伊尔马兹.地震资料分析——地震资料处理、反演和解释[M].北京:石油工业出版社,2006.
[26]邹德江,于兴河,王晓畅,等.油藏研究中测井曲线标准化优化方法探讨[J].石油地质与工程,2007,21(4):55-57.ZOU Dejiang,YU Xinghe,WANG Xiaochang,et al.Discussion on optimization method of well logging curve in reservoir research[J].Petroleum Geology and Engineering,2007,21(4):55-57.
[27]黄小平,柴婧.阿尔奇公式在泥页岩地层含油饱和度计算中的应用——以沾化凹陷沙三段下亚段为例[J].油气地质与采收率,2014,21(4):58-61.HUANG Xiaoping,CAI Jing.The application of Archie formula in the calculation of oil saturation in the Slate stratum—A case study of the lower member of shahejie formation in Zhanhua Depression[J].Petroleum Geology and Recovery Efficiency,2014,21(4):58-61.
[28]SMITH T M,SONDERGELD C H,Rai C S.Tutorial Gassmann fluid substitutions:A tutorial[J].Geophysics,2003,68(2):430-440.
[29]张金强,曲寿利,孙建国,等.一种碳酸盐岩储层中流体替换的实现方法[J].石油地球物理勘探,2010,45(3):406-409.ZHANG Jinqiang,QU Shouli,SUN Jianguo,et al.A method of using fluid replacement in carbonate reservoir[J].Oil Geophysical Prospecting,2010,45(3):406-409.
[30]陈信平,霍全明,林建东,等.煤层气储层含气量与其弹性参数之间的关系——思考与初探[J].地球物理学报,2013,56(3):2837-2848.CHEN Xinping,HUO Quanming,LIN Jiandong,et al.The relation between CBM content and the elastic parameters of CBM reservoirs:Reasoning and initial probing[J].Chinese Journal of Geophysics,2013,56(3):2837-2848.
[31]谭茂金,郭越,张松扬.碳酸盐岩储层测井流体替换方法与应用分析[J].地球物理学进展,2015,30(6):2772-2777.TAN Maojin,GUO Yue,ZHANG Songyang.Fluid substitution method and application of well logging in carbonate reservoirs[J].Progress in Geophysics,2015,30(6):2772-2777.
[32]李景叶.砂岩油藏地震数据流体替换[J].石油学报,2012,33(4):633-639.LI Jingye.Fluid substitution based on seismic data of sand reservoirs[J].Alta Petrolia Sinica,2012,33(4):633-639.
[2]刘德民,连会青,韩永,等.基于概率神经网络的煤层顶板砂岩含水层富水性预测[J].煤炭技术,2014,33(9):336-338.LIU Demin,LIAN Huiqing,HAN Yong,et al.Study on water enrichment prediction of coal roof sandstone aquifer based on PNN[J].Coal Technology,2014,33(9):336-338.
[3]郑健,陈喜,张志才.抽水试验法推求南方岩溶地区双重介质水文地质参数[J].工程勘察,2014(1):43-46.ZHENG Jian,CHEN Xi,ZHANG Zhicai.Determination of hydrogeological parameters of double medium in south karst areas by using pumping tests[J].Geotechnical Investigation and Surveying,2014(1):43-46.
[4]武强,许珂,张维.再论煤层顶板涌(突)水危险性预测评价的“三图-双预测法”[J].煤炭学报,2016,41(6):1341-1347.WU Qiang,XU Ke,ZHANG Wei.Further research on“three maps-two predictions”method for prediction on coal seam roof water bursting risk[J].Journal of China Coal Society,2016,41(6):1341-1347.
[5]王怀洪,强孟东.利用物探信息预测煤矿水害的方法探讨[J].山东煤炭科技,2006(4):50-52.WANG Huaihong,QIANG Mengdong.Discussion about the prediction methods of mine water disaster with geophysical information[J].Shandong Coal Science and Technology,2006(4):50-52.
[6]张丽红,师素珍,袁莉,等.多属性技术在底板砂岩富水性预测中的应用[J].北京工业职业技术学院学报,2011,10(3):1-7.ZHANG Lihong,SHI Suzhen,YUAN Li,et al.Application of seismic multi-attribute analysis to predicting water enrichment of sandstone coal floor[J].Journal of Beijing Polytechnic College,2011,10(3):1-7.
[7]董国明.地球物理方法在矿山水文地质调查中的应用研究[D].长春:吉林大学,2013.DONG Guoming.A study of geophysical methods in mine hydrogeological investigation[D].Changchun:Jilin University,2013.
[8]邹冠贵,彭苏萍,张辉,等.地震波阻抗反演预测采空区孔隙度方法[J].煤炭学报,2009,34(11):1507-1511.ZOU Guangui,PENG Suping,ZHANG Hui,et al.Predicting aquifer porosity of coal mine by impedance inversion[J].Journal of China Coal Society,2009,34(11):1507-1511.
[9]李巧灵,彭苏萍,张辉,等.基于Wyllie平均方程的煤系岩溶陷落带富水性预测[J].煤田地质与勘探,2014,42(1):49-52.LI Qiaoling,PENG Suping,ZHANG Hui,et al.The water abundance prediction of karst collapse zone based on Wyllie time average equation[J].Coal Geology and Exploration,2014,42(1):49-52.
[10]宋建国,王艳香,乔玉雷,等.AVO技术进展[J].地球物理学进展2008,23(2):508-514.SONG Jianguo,WANG Yanxiang,QIAO Yulei,et al.Advance in AVO technique[J].Progress in Geophysics,2008,23(2):508-514.
[11]殷八斤,曾灏,杨在岩.AVO技术的理论与实践[M].北京:石油工业出版社,1995:68-76.
[12]陆基孟,王永刚.地震勘探原理[M].东营:中国石油大学出版社,2014:347-351.
[13]KOEFOED O.On the effect of Poisson’s ratios of rock strata on the reflection coefficients of plane waves[J].Geophysical Prospecting,1955,3(4):381-387.
[14]BORTFELD R.Approximation to the reflection and transmission coefficients of plane longitudinal and transverse waves[J].Geophysical Prospecting,1961,9(4):485-505.
[15]AKI K,RICHARDS P.Quantitative seismology theory and methods[M].USA,1980:144-154.
[16]SHUEY R T.A simplification of the Zoepprittz equations[J].Geophysics,1985,50(4):609-614.
[17]魏超,郑晓东,李劲松.非线性AVO反演方法研究[J].地球物理学,2011,54(8):2110-2116.WEI Chao,ZHENG Xiaodong,LI Jinsong.A study on nonlinear AVO inverse method[J].Chinese Journal of Geophysics,2011,54(8):2110-2116.
[18]张丰麟,魏福吉,王彦春,等.基于精确Zoeprittz方程三变量柯西分布先验约束的广义线性AVO反演[J].地球物理学报,2013,56(6):2098-2115.ZHANG Fenglin,WEI Fuji,WANG Yanchun,et al.Generalized linear AVO inversion with the priori constraint of trivariate Cauchy distribution based on Zoepprittz equation[J].Chinese Journal of Geophysics,2013,56(6):2098-2115.
[19]孙秀华,王真理.最优的Zoeppritz方程的简化综述[J].地球物理学进展,2010,25(1):100-108.SUN Xiuhua,WANG Zhenli.The optimal simplified Zoepprittz equation[J].Progress in Geophysics,2010,25(1):100-108.
[20]彭苏萍,高云峰,杨瑞召,等.AVO探测煤层瓦斯富集的理论探究和初步实践——以淮南煤田为例[J].地球物理学报,2005,48(6):1475-1486.PENG Suping,GAO Yunfeng,YANG Ruizhao,et al.Theory and application of AVO for detection of coalbed methane—A case from the Huainan coalfield[J].Chinese Journal of Geophysics,2005,48(6):1475-1486.
[21]陈同俊,崔若飞,刘恩儒.VTI型构造煤AVO正演模拟[J].煤炭学报,2009,34(4):438-442.CHEN Tongjun,CUI Ruofei,LIU Enru.AVO forward modeling for VTI coal[J].Journal of China Coal Society,2009,34(4):438-442.
[22]邓小娟,彭苏萍,林庆西,等.基于各向异性的薄层AVO正演方法[J].煤炭学报,2010,35(12):2053-2058.DENG Xiaojuan,PENG Suping,LIN Qingxi,et al.AVO forward method of anisotropic thin coal bed[J].Journal of China Coal Society,2010,35(12):2053-2058.
[23]邓小娟,彭苏萍,杜文凤,等.薄煤层P-SV转换波AVO正演研究[J].煤炭学报,2012,37(1):62-66.DENG Xiaojuan,PENG Suping,DU Wenfeng,et al.Converted wave AVO forward method of P-SV thin coal bed[J].Journal of China Coal Society,2012,37(1):62-66.
[24]张铁强,孙鹏远,钱忠平,等.薄煤层AVO响应特征分析[J].石油地球物理勘探,2013,48(4):597-603.ZHANG Tieqiang,SUN Pengyuan,QIAN Zhongping,et al.Analysis of AVO response characteristics in thin coal bed[J].Oil Geophysical Prospecting,2013,48(4):597-603.
[25]渥·伊尔马兹.地震资料分析——地震资料处理、反演和解释[M].北京:石油工业出版社,2006.
[26]邹德江,于兴河,王晓畅,等.油藏研究中测井曲线标准化优化方法探讨[J].石油地质与工程,2007,21(4):55-57.ZOU Dejiang,YU Xinghe,WANG Xiaochang,et al.Discussion on optimization method of well logging curve in reservoir research[J].Petroleum Geology and Engineering,2007,21(4):55-57.
[27]黄小平,柴婧.阿尔奇公式在泥页岩地层含油饱和度计算中的应用——以沾化凹陷沙三段下亚段为例[J].油气地质与采收率,2014,21(4):58-61.HUANG Xiaoping,CAI Jing.The application of Archie formula in the calculation of oil saturation in the Slate stratum—A case study of the lower member of shahejie formation in Zhanhua Depression[J].Petroleum Geology and Recovery Efficiency,2014,21(4):58-61.
[28]SMITH T M,SONDERGELD C H,Rai C S.Tutorial Gassmann fluid substitutions:A tutorial[J].Geophysics,2003,68(2):430-440.
[29]张金强,曲寿利,孙建国,等.一种碳酸盐岩储层中流体替换的实现方法[J].石油地球物理勘探,2010,45(3):406-409.ZHANG Jinqiang,QU Shouli,SUN Jianguo,et al.A method of using fluid replacement in carbonate reservoir[J].Oil Geophysical Prospecting,2010,45(3):406-409.
[30]陈信平,霍全明,林建东,等.煤层气储层含气量与其弹性参数之间的关系——思考与初探[J].地球物理学报,2013,56(3):2837-2848.CHEN Xinping,HUO Quanming,LIN Jiandong,et al.The relation between CBM content and the elastic parameters of CBM reservoirs:Reasoning and initial probing[J].Chinese Journal of Geophysics,2013,56(3):2837-2848.
[31]谭茂金,郭越,张松扬.碳酸盐岩储层测井流体替换方法与应用分析[J].地球物理学进展,2015,30(6):2772-2777.TAN Maojin,GUO Yue,ZHANG Songyang.Fluid substitution method and application of well logging in carbonate reservoirs[J].Progress in Geophysics,2015,30(6):2772-2777.
[32]李景叶.砂岩油藏地震数据流体替换[J].石油学报,2012,33(4):633-639.LI Jingye.Fluid substitution based on seismic data of sand reservoirs[J].Alta Petrolia Sinica,2012,33(4):633-639.
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