火成岩下储层构造成图校正方法及其应用

Correction technique for structural map of targets beneath igneous rock reservoir and its application

中国石化胜利油田有限公司物探研究院,山东东营257022

Geophysical Research Institute of SINOPEC Shengli Oilfield Company Limited, Dongying 257022, China

火成岩速度很高, 而且厚度是变化的, 常常影响到它下面的构造成图精度。通过测井约束反演得到火成岩的空间厚度变化, 进行成图校正, 提高了成图精度。在S84地区应用取得了良好的效果。

The high velocity and variable thickness of igneous rock impair the structural map of targets beneath igneous rocks. In this paper we used logging-constrained inversion to determine the thickness and distribution of the igneous rock. The resulting information was then used to update the structural map. Desired results have been obtained by applying this method in S84 survey area.