摘要
鄂尔多斯地台古生代以陆表海及海陆过度相沉积为主 ,寒武、奥陶系及下二叠统太原组普遍发育碳酸盐岩。不同类型的碳酸盐岩经过多期次成岩作用改造后 ,形成了古风化壳型白云岩、颗粒滩相白云岩、深水重力流沉积碳酸盐岩、生物礁、裂缝型灰岩及蒸发盐岩下伏白云岩等多种类型的储集体。经过多年的综合勘探 ,在不同类型的碳酸盐岩储层中都已找到了工业性气流或发现了含气显示 ,展示了鄂尔多斯盆地古生界海相碳酸盐岩良好的天然气勘探前景。
The Paleozoic in E'erduosi Platform is mainly composed of the sediments of epeiric sea and transitional facies and the carbonate rocks are commonly found in Cambrian,Ordovician and Taiyuan Formation of Lower Permian.The reservoir bodies with various types,such as ancient weathered crust dolomites,grain band facies dolomites,deepwater gravity flow sedimentating carbonate rocks,reefs,fractured limestones and evaporite-covered dolomites,etc.,were formed after different carbonate rocks' being improved by multiple-stage diageneses.Through comprehensively exploring for many years,commercial gas flow or/and gas shows have been found in different carbonate reservoirs,which opens up a vast range of prospects for exploring natural gas in the Paleozoic marine carbonate rocks in E'erduosi Basin.
出处
《天然气工业》
EI
CAS
CSCD
北大核心
2002年第6期17-21,11-10,共5页
Natural Gas Industry
