辽河油田斑岩型油气藏成藏地质模型
Journal Title: Science Paper Online - Year 2007, Vol 2, Issue 7
Abstract
辽河油田欧利坨子的油气储层主要是浅成-超浅成相的侵入岩粗面斑岩。与斑岩型金属矿床控矿裂缝十分相似的是，该斑岩的储油裂缝主要是隐爆角砾岩和其它原生裂缝，可称为斑岩型油气藏。本文综合渤海湾其它地区与浅成-超浅成斑岩（玢岩）侵入体有关的各类油气藏，建立斑岩型油气藏成藏地质模型。该模型表明，在斑岩发育区可找到受岩体上方拱张裂缝、岩体内部隐爆角砾岩、其它原生裂缝和蚀变破碎带，以及岩体外侧接触变质带控制的油气藏和侧向隔挡油气藏。这些不同部分的油气藏可在岩体尺度内或区域尺度内伴生，值得勘探工作充分注意。
Authors and Affiliations
Lianxing Gu , Changzi Wu, Zuowei Ren
Keywords
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