复杂油气藏储层横向预测

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摘要大兴砾岩体是华北地区十分典型的复杂油气储层，储层不仅横向变化大，而且岩体内部的非均质性也较强。本文根据本区速度与岩性的关系、时间与深度的关系，采用地震非线性反演方法，在测井实测的岩性约束下反演得到精确的储层厚度，从而计算出目的层砾岩体厚度在平面的变化，寻找出沉积厚度大、分布稳定的砾岩体储层。实际应用表明，本文提出的储层横向预测方法对大兴砾岩体油藏的滚动勘探具有重要的指导意义。

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关键词 ：复杂油气藏, 地震记录, 约束反演, 砾岩, 储层预测

Abstract：Daxing conglomerate is a very typical complex oil-gas reservoir in north China .The reservoir not only is lateral variable,but also has strong inhomogeneity within the rock body. Based on the relation between velocity and lithology and between time and depth,the paper adopte the non-linear seismic inversion,inverted the precision reservoir thickness under the constraint of lithoiogy measured by loggrog data,computed the variation of target (con-glomerate) thickness in a plane and looked for such conglomerate reservoirs that have huge sedimentary thickness and stable distribution. The practical prediction showed that the method for lateral prediction of reservoir presented by the paper has importance to rolling exploration of Daxing conglomerate reservoir.

Key words： complex oil-gas reservoir seismic recordconstrained inversion conglomerate inversion conglomerate reservoir prediction

收稿日期: 2002-11-18

作者简介: 朱庆忠,高级工程师,1966年生;1989年毕业于江汉石油学院勘察地球物理专业,2000年获石油大学油藏工程专业硕士学位,现在石油大学攻读石油地质专业博士学位。现任华北油田采油四厂总地质师。

引用本文:

朱庆忠, 黄捍东, 魏修成, 叶连池, 毛志刚. 复杂油气藏储层横向预测[J]. 石油地球物理勘探, 2003, 38(4): 405-408. Zhu Qingzhong, Wei Xiucheng, Ye Lianchi, Mao Zhigang. Lateralprediction ofcomplex oil-gas reservoir. OGP, 2003, 38(4): 405-408.

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http://www.ogp-cn.com/CN/ 或 http://www.ogp-cn.com/CN/Y2003/V38/I4/405