全数字高密度三维地震勘探中地震属性预测煤层厚度的应用
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摘要
地震勘探的综合属性分析是解决煤层厚度预测的有效手段,全数字高密度三维地震勘探通过小面元、宽方位角、高覆盖次数和数字检波器全频接受等优势,能够采集到质量全面提高的原始资料,针对性处理后得到"高分辨率、高信噪比、高保真度"的三维数据体。结合淮北某矿区实例介绍了全数字高密度三维地震中地震属性预测煤层厚度的应用。经过地震属性的提取、标准化、优化以及地质转化后,得到了包括振幅类属性、频率类属性、相位类属性、谱统计类属性等在内的6种地震属性,6种属性经过多元回归计算得到区内煤厚变化。预测煤厚与钻孔煤厚的交汇情况显示,煤厚预测效果较好。
Comprehensive attribute analysis of seismic exploration is an effective method to forecast coal thickness,based on the advantage caused by small patches,wide azimuth,high coverage,digital geophone of whole frequency and so on of all digital high density 3 D seismic exploration,it can get the 3 D data of "high resolution,high snr,high fidelity" after targeted processing.It introduced the application on seismic attributes forecasting coal thickness of all digital high density 3 D seismic exploration in some a mining area of Huaibei.First of all,it got six kinds of seismic attributes such as amplitude attributes,frequency attributes,phase attributes and spectrum statistic attributes after the extraction,standardization,optimizing and geology change of seismic attributes,it got the thickness variation of coal seam in the mining area after the multiple regression calculation of the six kinds of seismic attributes.The rendezvous between the forecasting coal thickness and the coal thickness of boreholes showed that the effect of coal thickness forecasting is better.
Comprehensive attribute analysis of seismic exploration is an effective method to forecast coal thickness,based on the advantage caused by small patches,wide azimuth,high coverage,digital geophone of whole frequency and so on of all digital high density 3 D seismic exploration,it can get the 3 D data of "high resolution,high snr,high fidelity" after targeted processing.It introduced the application on seismic attributes forecasting coal thickness of all digital high density 3 D seismic exploration in some a mining area of Huaibei.First of all,it got six kinds of seismic attributes such as amplitude attributes,frequency attributes,phase attributes and spectrum statistic attributes after the extraction,standardization,optimizing and geology change of seismic attributes,it got the thickness variation of coal seam in the mining area after the multiple regression calculation of the six kinds of seismic attributes.The rendezvous between the forecasting coal thickness and the coal thickness of boreholes showed that the effect of coal thickness forecasting is better.
引文
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[15] 曾婷,桂志先,施洋,等.时移地震属性分析技术在永安镇油田Y3断块开发中的应用[J].工程地球物理学报,2015,12(2):234-239.Zeng Ting,Gui Zhixian,Shi Yang,et al.Application of time-lapse seismic attributes technology to Y3 block development of Yong′an oilfield[J].Chinese Journal of Engineering Geophysics,2015,12(2):234-239.
[16] 刘健.地震属性技术在黄马油田储层预测中的应用[J].内江科技,2016(5):29-30.Liu Jian.Application on technology of seismic attributes forecasting oilfield reservoir in Huangma[J].Neijiang Science and Technology,2016(5):29-30.
[17] 凌国庆,刘松.全数字高密度地震勘探设计优化方法及应用[J].能源技术与管理,2017(3):169-171.Ling Guoqing,Liu Song.Application and technology on design optimization of all digital high density 3D seismic exploration[J].Energy Technology and Management,2017(3):169-171.
[18] 刘俊杰,王彦春.煤田数字高密度地震勘探的应用效果探析[J].中国煤炭,2013,39(1):37-39.Liu Junjie,Wang Yanchun.On application effectiveness of digital high-density seismic prospecting in coalfield[J].China Coal,2013,39(1):37-39.
[2] 皮娇龙,滕吉文,杨辉,等.地震槽波动力学特征物理—数学模拟及应用进展[J].地球物理学进展,2013,28(2):958-974.Pi Jiaolong,Teng Jiwen,Yang Hui,et al.Research advance in analogue-numerical simulation on the dynamic characteristics of In-seam seismic and its application[J].Progress in Geophysics,2013,28(2):958-974.
[3] 孟召平,郭彦省,潘结南,等.基于地震属性的煤层厚度预测模型及其应用[J].地球物理学报,2006,49(2):512-517.Meng Zhaoping,Guo Yanxing,Pan Jienan,et al.Prediction models of call thickness based on seismic attributions and their applications[J].Chinese Journal of Geophysics,2006,49(2):512-517.
[4] Chen Q,Sidney S.Seismic attribute technology for reservoir forecasting and monitoring[J].The Leading Edge,1997,16(5):445-450.
[5] 孙渊,张良,朱军,等.地震属性参数在煤层厚度预测中的应用[J].煤田地质与勘探,2008,36(2):58-60.Sun Yuan,Zhang Liang,Zhu Jun,et al.Application of seismic attribute parameters in forecasting coal seam thickness[J].Coal Geology and Exploration,2008,36(2):58-60.
[6] 胡宗正,郭良红,林建东.三维地震属性参数在煤层厚度预测中的应用[J].中国煤炭地质,2008,20(6):56-58.Hu Zongzheng,Guo Lianghong,Lin Jiandong.Application of 3D seismic attribute parameters in coal seam thickness prediction[J].Coal Geology of China,2008,20(6):56-58.
[7] 金丹.煤炭全数字高密度三维地震勘探关键技术研究[D].北京:煤炭科学研究总院,2015.
[8] 李宏堂.基于Euclid子波提取的地震高分辨处理方法研究[D].西安:长安大学,2012.
[9] 王红,李红梅.基于正演模型的砂泥薄互层地震属性特征分析[J].油气藏评价与开发,2015,5(3):15-21.Wang Hong,Li Hongmei.Seismic attributes analysis based on model in fluvial sand and shale interbedded layers[J].Reservoir Evaluation and Development,2015,5(3):15-21.
[10] Satyavanin,Kalachand Sain,Malcolmlall,et al.Seismic attribute study for gas hydrates in the Andam an Offshore India[J].Marine Geophysical Researches,2008,29(3):167-174.
[11] 刘卫.地震属性技术在煤层气预测中的应用[J].中国煤炭地质,2016,28(2):68-71.Liu Wei.Application of seismic attribute technology in CBM prediction[J].Coal Geology of China,2016,28(2):68-71.
[12] 王开燕,徐清彦,张桂芳,等.地震属性分析技术综述[J].地球物理学进展,2013,28(2):815-823.Wang Kaiyan,Xu Qingyan,Zhang Guifang,et al.Summary of seismic attribute analysis[J].Progress in Geophysics,2013,28(2):815-823.
[13] 李艳芳.三维地震属性融合及图像处理技术研究[D].北京:煤炭科学研究总院,2011.
[14] 李刚.地震属性预测煤层厚度方法研究及其应用[D].北京:煤炭科学研究总院,2012.
[15] 曾婷,桂志先,施洋,等.时移地震属性分析技术在永安镇油田Y3断块开发中的应用[J].工程地球物理学报,2015,12(2):234-239.Zeng Ting,Gui Zhixian,Shi Yang,et al.Application of time-lapse seismic attributes technology to Y3 block development of Yong′an oilfield[J].Chinese Journal of Engineering Geophysics,2015,12(2):234-239.
[16] 刘健.地震属性技术在黄马油田储层预测中的应用[J].内江科技,2016(5):29-30.Liu Jian.Application on technology of seismic attributes forecasting oilfield reservoir in Huangma[J].Neijiang Science and Technology,2016(5):29-30.
[17] 凌国庆,刘松.全数字高密度地震勘探设计优化方法及应用[J].能源技术与管理,2017(3):169-171.Ling Guoqing,Liu Song.Application and technology on design optimization of all digital high density 3D seismic exploration[J].Energy Technology and Management,2017(3):169-171.
[18] 刘俊杰,王彦春.煤田数字高密度地震勘探的应用效果探析[J].中国煤炭,2013,39(1):37-39.Liu Junjie,Wang Yanchun.On application effectiveness of digital high-density seismic prospecting in coalfield[J].China Coal,2013,39(1):37-39.
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