沧东凹陷孔二段成藏条件分析
China Chemical Trade(2016)
Abstract
本文系统论述了该区孔二段的构造特征、构造演化、储层特征、油源条件,明确了多物源方向的辫状河三角洲砂体叠至于斜坡之上形成岩性圈闲,利于岩性地层油藏的形成.辫状河三角洲前缘亚相砂体经后期反转形成上倾岩性圈闭,形成岩性地层油藏.湖盆中心辫状河三角洲前缘远端薄层砂岩与互相泥、页岩互层式沉积形成致密油藏.并在此基础上指出下步勘探的有利方向.
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