林文姬,汤达祯,徐凤银,许浩,刘艳红

• 1:中联煤层气国家工程研究中心有限责任公司
• 2:中国地质大学能源学院
• 3:中石油煤层气有限责任公司
• 4:中国石油杭州地质研究院

摘要(Abstract)：

从地层界线、沉积旋回、标志层、测井曲线特征等方面进行对比分析,确定了彬长地区延安组三段地层与鄂尔多斯盆地五段地层的对应关系。在此基础上,利用层序地层学原理,将彬长地区延安组分为一个三级层序,进一步划分为3个小层序组,其中三级层序仅由2个体系域(初始充填体系域和超覆充填体系域)组成,表明彬长地区延安组只在盆地形成和发展时期接受沉积,缺失盆地萎缩时期的沉积。

关键词(KeyWords)： 延安组;层序地层;彬长地区

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划(973)项目子项目“煤层气有利储层及其形成机理研究”(编号:2002CD211702)资助

作者(Author): 林文姬,汤达祯,徐凤银,许浩,刘艳红

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