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湖南保靖X区页岩气储层“甜点”区地震资料非线性反演预测方法
引用本文:梁国华,黄捍东,刘福义,符超,林中月,王向浩,杨亚迪,苗雨新,沈金松,张晓晨.湖南保靖X区页岩气储层“甜点”区地震资料非线性反演预测方法[J].CT理论与应用研究,2016(3):299-310.
作者姓名:梁国华  黄捍东  刘福义  符超  林中月  王向浩  杨亚迪  苗雨新  沈金松  张晓晨
作者单位:1. 神华地质勘查有限责任公司,北京,100083;2. 中国石油大学 北京 提高采收率研究院,北京102249; 中国石油集团公司物探重点实验室,北京102249;3. 中国石油大学 北京 提高采收率研究院,北京,102249;4. 中国石油大学 北京 地球物理与信息工程学院,北京102249; 中国石油集团公司物探重点实验室,北京102249
基金项目:国家自然科学基金(41374141);国家重点基础研究发展计划(2013CB228605)。
摘    要:针对湖南保靖地区地表覆盖层复杂、地下高陡构造多变、地震勘探资料信噪比低,以及页岩气储层与周围泥岩层波阻抗对比度小等特点,研究敏感测井曲线重构与优化处理、地震资料相控非线性反演和叠后地震属性流体检测的综合储层评价方法。通过对多条测线的地震资料反演和流体检测并与实钻井结果对比,获得了良好的地质效果,初步验证了所研究方法的有效性和实用性。

关 键 词:页岩气储层  甜点  地震资料非线性反演  测井曲线重构  流体检测

Prediction of the Sweet Spots within Shale Gas Reservoirs by Using Nonlinear Inversion of Seismic Data Acquired from Baojing Area Hunan Province
LIANG Guo-hua,HUANG Han-dong,LIU Fu-yi,FU Chao,LIN Zhong-yue,WANG Xiang-hao,YANG Ya-di,MIAO Yu-xin,SHEN Jin-song,ZHANG Xiao-chen.Prediction of the Sweet Spots within Shale Gas Reservoirs by Using Nonlinear Inversion of Seismic Data Acquired from Baojing Area Hunan Province[J].Computerized Tomography Theory and Applications,2016(3):299-310.
Authors:LIANG Guo-hua  HUANG Han-dong  LIU Fu-yi  FU Chao  LIN Zhong-yue  WANG Xiang-hao  YANG Ya-di  MIAO Yu-xin  SHEN Jin-song  ZHANG Xiao-chen
Abstract:Facing the difficulties of various near surface formations in Baojing area, Hunan province, and significant tilt of the subsurface formation and structure, and hence caused low signal/noise ration of the seismic data, and the low contrast of seismic impedance between the shale gas reservoir and the shoulder shale, we have investigated integrated evaluation method that consists of four steps of sensitive well logs reconstruction and optimal processing, nonlinear inversion of seismic data constrained with sedimentary facies, and fluid detection by using poststack seismic data. Comparison of the seismic inversion results and fluid detection results of several inlines with that of the borehole shows sound consistency, and verified the effectiveness and practical usefulness of our method.
Keywords:shale gas reservoir  sweet spots  nonlinear inversion of seismic data  reconstruction of well logs  fluid detection
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