陆金波,张燕生,徐辉,赵亚楠

• 1:中国煤炭地质总局勘查研究总院
• 2:中国科学院地质与地球物理研究所

摘要(Abstract)：

英西地区深部碳酸盐岩地层油气勘探近年来取得突破。针对英西地区下干柴沟组上段膏盐岩-碳酸盐岩组合,以三维地震勘探为基础,运用盐构造理论,对其构造演化特征,及其在油气成藏中的作用进行分析。结果表明,挤压构造环境下,塑性膏盐岩发生流动、楔入作用,改变原始地层结构,并作为滑脱层促进推覆构造发育,最终形成研究区双层构造特征。挤压环境下盐构造运动,使下伏碳酸盐岩地层发育大量裂缝,改善了储层物性。建议膏盐-碳酸盐地层组合是该区深层油气未来勘探的重点。

关键词(KeyWords)： 英西地区;盐构造;构造演化;三维地震勘探

Abstract:

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基金项目(Foundation):

作者(Author): 陆金波,张燕生,徐辉,赵亚楠

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