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地球学报  2005 

库车坳陷克拉2气田超压成因研究

DOI: 10.3975/cagsb.2005.02.10

Keywords: 物理模拟实验,超压,构造挤压,充气增压

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Abstract:

物理实验模拟是研究油气运移和聚集的重要手段和方法。而天然气物理模拟实验则是一个研究相对不足而又非常重要的领域,它的操作和完善可以大大促进中国西部天然气勘探,直接影响着西气东输的国策。本文正是涉及这个领域,选取库车坳陷克拉2气田作为研究对象,模拟了其成藏模式,对其超压的特性进行了研究,认为构造挤压和充气增压是引起克拉2气田超压的主要原因,而充气增压的具体机制则是多级补给,也就是下部的冲起构造作为供源为上部的克拉2构造供气,促使其丰度和压力都升高。

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