摘要
本文概述了德惠断陷泉三段泥岩盖层对天然气的聚集成藏所起的重要作用，并在对其微观和宏观封闭特征进行全面分析的基础上，采用对主要评价参数划分等级并赋予其不同的权值，再利用加权平均法计算其综合评价权值大小的方法，对德惠断陷泉三段泥岩盖层进行了综合评价，阐明了泉三段泥岩盖层是德惠断陷天然气聚集成藏的重要原因。
This paper outlines the important role played by the shale caprock of Quanshan member in Dehui rift for forming a reservior by gas accumulation.And on the basis of an overall analysis of its microscopic and macroscopic sealing characteristics, comprehensive evaluation of the shale caprock of Quanshan member in Dehui rift is made by grade division of main evaluation parameters,by assignment of different weighted values and by use of the weighted average method to calculate their values. It isclarif ied that the shale caprock of Quanshan member is the important reason of forming a reservoir by gas accumulation in Dehui rift.
出处
《大庆石油地质与开发》
CAS
CSCD
北大核心
1996年第4期17-21,共5页
Petroleum Geology & Oilfield Development in Daqing
关键词
断陷
泥岩盖层
封闭能力
油气藏
Dehui rift, Quanshan member, Shale caprock, Sealing ability,Comprehensive evaluation
