张刚,常锁亮,王瑞瑞,刘波,曾博,刘最亮,杨智华

• 1:中国矿业大学煤层气资源与成藏过程教育部重点实验室
• 2:中国矿业大学资源与地球科学学院
• 3:太原理工大学地球科学与工程系
• 4:煤与煤系气地质山西省重点实验室

摘要(Abstract)：

基于地震沉积学的理论方法,以山西寺家庄矿太原组15号煤层为例,采用合成记录、井震联合标定、层位追踪、地层切片、属性提取等关键技术,建立岩性及沉积相与地震属性的对应关系,对15号煤层聚煤前后沉积相进行精细刻画。研究结果表明:平均振幅属性和高阶累量方差属性经属性融合后可用来预测目标地层砂地比以及沉积相平面展布特征;山西寺家庄矿太原组15号煤层聚煤前为障壁岛—潮坪—潟湖—潮坪沉积环境,聚煤后为潮坪沉积环境,并在潮坪沉积相中识别出了混合坪和泥炭坪两种沉积亚相。相较于沉积学,地震沉积学对研究区太原组15号煤层聚煤前后沉积相的刻画更为精细。

关键词(KeyWords)： 地震沉积学;地震属性;砂地比;沉积相;阳泉矿区;寺家庄煤矿;15号煤

Abstract:

Keywords:

基金项目(Foundation): 江苏省自然科学基金青年基金项目(BK20180665);; 阳泉煤业(集团)有限责任公司研究开发项目(GY18027)

作者(Author): 张刚,常锁亮,王瑞瑞,刘波,曾博,刘最亮,杨智华

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