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Characteristics of relative early reservoiring and episodic charging of lithologic oil pools in Erlian basin
Author(s): 
Pages: 240-249
Year: Issue:  2
Journal: OIL & GAS GEOLOGY

Keyword:  相对早期性幕式充注岩性油藏二连盆地;
Abstract: 在对二连盆地三大主力凹陷的成藏条件、埋藏史、热演化史分析的基础上,结合成岩流体包裹体特征分析,利用流体包裹体均一化温度定量分析方法确定了二连盆地油藏的成藏期次,认为二连盆地岩性油藏具有幕式充注的特征.通过与相同凹陷同一层位构造油气藏成藏期的对比分析后认为,岩性油藏的成藏期具有相对早期的特征.岩性圈闭形成的早期性为岩性圈闭在较早时期捕集油气提供了有利的条件,同时岩性圈闭的多期形成和油气的多期幕式充注有利于大型岩性油气藏的形成.
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