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多井约束泥质含量反演在塔巴庙上古生界砂体预测中的应用
引用本文:陈克勇,胡永章,王长城. 多井约束泥质含量反演在塔巴庙上古生界砂体预测中的应用[J]. 石油天然气学报, 2007, 29(2): 58-61
作者姓名:陈克勇  胡永章  王长城
作者单位:成都理工大学能源学院,四川,成都,610059;中国石化西南分公司工程技术研究院,四川,德阳,618000
摘    要:塔巴庙二叠系下石盒子组地层属河流相沉积体系,由于其特殊的沉积、成岩作用,砂岩以致密、超致密为主,砂、泥岩压实作用强烈,波阻抗差异小且非均质性强烈.利用传统的波阻抗反演方法不能有效地实现该区河道砂体的预测,在目前常用GR反演识别岩性方法的启发下,使用泥质含量反演来预测河道砂体,得到了较满意的效果.实践证明,利用泥质含量反演来预测河流相砂体的空间展布,是行之有效的.

关 键 词:泥质含量  砂体预测  多井约束  反演  河流体系  塔巴庙
文章编号:1000-9752(2007)02-0058-04
修稿时间:2007-01-12

Application of Multiwell Constraining Inversion of Shale Content in Upper Paleaozoic Sandstone Prediction in Tabamiao Area
CHEN Ke-yong,HU Yong-zhang,WANG Chang-cheng. Application of Multiwell Constraining Inversion of Shale Content in Upper Paleaozoic Sandstone Prediction in Tabamiao Area[J]. Journal of Oil and Gas Technology, 2007, 29(2): 58-61
Authors:CHEN Ke-yong  HU Yong-zhang  WANG Chang-cheng
Abstract:Permian Lower Shihezi Formation in Tabamiao Formation is a river facies sedimentary system.Because of its special sedimentation and diagenesis,sandstones and shales are compacted severely with small difference of wave impedance and strong heterogeneity.Traditional wave impedance inversion can not be used to effectively predict the channel sandstones in the area.At present based on GR inversion of lithologic recognition,shale content inversion is used to predict the channel sandstones with satified result.Application shows that the prediction of sandstone spatical distribution of the channel sandstone by using shale content inversion is an effective way.
Keywords:shale content  sandstone prediction  multi-well constrain  inversion  river system  Tabamiao Area
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