黄渊;李斌;孙健;吕瑞;

• 1:中国地质大学(北京)能源学院

• 2:西南石油大学地球科学与技术学院

• 3:西南石油大学油气藏地质及开发工程国家重点实验室

• 4:中国科学院广州地球化学研究所

摘要(Abstract)：

基于岩心、薄片、测井、地震等资料,研究四川盆地东北部龙会场—铁山地区下三叠统飞仙关组沉积相特征及演化过程,分析有利鲕滩储层分布规律。结果表明:飞仙关组时期,研究区具有西南高北东低、东陡西缓的古地貌特征,发育镶边碳酸盐岩台地沉积模式。受海平面持续下降的影响,台地沉积不断自西南向北东海槽方向扩展,飞一段晚期开始发育海退型鲕滩;飞二段时期围绕铁山地区、龙会场南部地区发育大面积台缘鲕滩及零星台内点滩;至飞三段台地稳定分布时期,台内鲕滩发育达到顶峰,主要分布于龙会场中北部井区,并在铁山地区以薄层、小范围分布。受沉积相及其演化控制,研究区发育多套台缘滩鲕粒云岩储层与台内滩溶孔鲕粒灰岩储层,储层发育位置随台缘及台内微地貌高地的迁移表现为横向迁移、纵向抬升的特征。有利储层多发育于飞二段台缘鲕滩亚相,铁山地区TS5、TS14井,与龙会场南部地区LH002-x2井及其周围沿NW—SE方向台缘带延展地带,是飞仙关组鲕滩储层最为有利的勘探区。

关键词(KeyWords)：龙会场—铁山地区;飞仙关组;沉积相;鲕滩;储层分布;沉积演化

Abstract:

Keywords:

基金项目(Foundation):中国石油西南油气田分公司勘探项目(20130302-10);; 油气藏地质及开发工程国家重点实验室开放课题(PLN201616)

作者(Author):黄渊;李斌;孙健;吕瑞;

Email:

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