摘要
通过对川西北地区众多下二叠统野外剖面和钻井剖面的分析,结合前人的研究成果,提出该地区在早二叠世栖霞期兼具碳酸盐台地和碳酸盐缓坡沉积特征,称为均斜台地环境。综合研究认为,均斜台地边缘浅水高能型生物滩为储层发展演化的最有利相带,主要分布于栖二时的天井山—广元西北乡一带,厚度大、分布较广,也是区内最好的勘探相带;而深缓坡和盆地环境则较有利于油气的生成与演化,主要分布于区内西北部的栖一时和栖二时。
On the basis of studying numerously of field geological and drilling profiles of the Bottom Permian System in the Northwest of Sichuan,combine forefathers research results,propose this area have both characteristic of carbonate platform and carbonate ramp at Chihsia Age in the Early Permian Period,called the Honmogeneous Oblique Platform environment.It is thought that The Honmogeneous Oblique Platform Margin Shallow Water High Energy Organic Bank is the best for the development of the reservoir through the analysis of its sedimentary characteristic,mainly distributed on the Tianjing MountainGuangyuan Northwest Township bring at Chihsia Age Two,thickness heavy,distribute relatively wide,is the best facis belt for exploration.Deep Ramp and Basin environment are relatively favorable to the formation and evolution of the oil and gas,mainly distribute northwestern First Chihsia Formation and Second Chihsia Formation in this area.
出处
《西南石油学院学报》
CSCD
北大核心
2005年第6期20-23,共4页
Journal of Southwest Petroleum Institute
基金
四川省重点学科建设项目(编号SZD0414)
关键词
四川盆地
二叠纪
均斜台地
沉积特征
储层分布
Sichuan Basin
Permian Period
The Honmogeneous Oblique Platform
sedimentary characteristic
reservoir distribution
作者简介
宋章强（1981-），男（汉族），山东菏泽人，硕士研究生，从事沉积学和储层地质学方面的研究
