Distribution Characteristics of Granite in Sedimentary Basin and Its Influence on Oil and Gas Reservoir
详细信息
- 责任者：Liu An (Wuhan Institute of Geology and Mineral Resources ; China Geological Survey ; Wuhan 430205 ; China) ; Wu Shimin
- 刊名：Fault-Block Oil and Gas Fields
- 出版年：2013
- 卷期：20(5)
- 关键词：基岩油气藏 ; basement reservoir ; 花岗岩 ; granite
- 页码：p.545-550
- 图表：3 illus., 1 table, 48 refs.
- 分类号：1003
- issnNo：ISSN1005-8907
- isbnNo：CN41-1219/TE
摘要
This paper summarizes the distribution law of granite in sedimentary basin.The granites influenced on oil and gas resources are mainly distributed in fault and uplift belts of basin,marked by dome or anticline.Granite intrusions indicate the temperature of upper crust rises with a wide range and the granite is abnormal high point in the basin with increasing temperature.Granite has close relationship with basement hydrocarbon reservoirs,because the granites have the characteristics of rising in basin basement,better fracture system and strong anti-weathering capacity,including granite weathering crust or granite washing reservoir,fractured granite reservoir,drape anticline on granite.There are different basement reservoirs in different area of sedimentary basin because of various geology conditions.
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