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guan yu chu you gou zao yi liao he you tian wei li
Author(s): 
Pages: 18
Year: Issue:  6
Journal: Teaching Reference of Middle School Geography

Keyword:  储油构造辽河油田遮挡构造背斜构造不渗透层圈闭构造渗透岩层分布规律圈闭条件裂缝发育;
Abstract: <正> 聚集油、气的构造,叫储油构造。它的特点就是有不渗透岩层把聚集了的油、气圈闭住不让它们再跑掉。我们研究储油构造的目的,就是为了了解油气在地下的分布规律。储油构造的种类很多,最常见的是背斜构造(图1)。还有断层遮挡构造(图2)、岩性圈闭构造(图3)、地层超覆构造(图4)和地层遮挡构造(图5)等。在致密不渗透的岩层内,如果有裂缝发育并有其他不渗透层造成的圈闭条件,油、气聚集到裂缝孔道内,则形成裂缝储油构造。
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