李文俊;段冬平;蒋云鹏;王伟;潘威;张伯成;

• 1:中海石油(中国)有限公司上海分公司

摘要(Abstract)：

针对西湖凹陷黄岩区“区域成藏、一层多藏”的天然气规模成藏与差异成藏现象，基于钻井资料、流体预测、断裂解析及低渗天然气藏运聚方式等分析，提出区内“翼部主运、核部调节”的天然气差异聚集特征。具体表现为：当构造核部小断层不发育时，核部为天然气汇聚优势区，易形成气藏富集区；当构造核部小断层较发育时，断层面附近易形成非渗透区，靠近深大断裂的构造翼部易形成气藏富集区。这种现象是先伸展后挤压的地质背景、背斜-似花状断裂构造及低渗储层天然气“体积流”充注富集共同形成的。黄岩区的油气评价应遵循“一核两翼、近断富集”的思路。

关键词(KeyWords)： 差异聚集;翼部主运;核部调节;低渗天然气藏;西湖凹陷

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金“东海深层低渗-致密气储层体系质量差异性成因机制及演化模式”(U19B2006);; 中海石油(中国)有限公司重大科技专项“西湖凹陷在生产油气田中后期综合调整关键技术研究与实践”(CNOOC-KJ135ZDXM39SH03)

作者(Authors): 李文俊;段冬平;蒋云鹏;王伟;潘威;张伯成;

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