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Reservoiring Mechanism of Natural Gas in West Sichuan Depression
Author(s): 
Pages: 1-5
Year: Issue:  z1
Journal: NATURAL GAS INDUSTRY

Keyword:  川西北美深盆气气藏特征成藏机制比较;
Abstract: 深盆气是致密砂岩气藏类型之一,由于其独特的成藏机制和气藏分布特征,深盆气藏的勘探思路与对策均有别于常规气藏.川西坳陷含气领域是否属于深盆气的问题,国内许多学者、专家通过研究,多给予肯定.文章在川西致密砂岩气藏和北美深盆气藏特征比较基础上,提出了该区天然气成藏机制,建立了成藏模式.认为川西上三叠统迄今为止尚未发现具有典型深盆气特征的气藏;就成藏机制而言,川西坳陷的天然气成藏机制与深盆气完全不同;目前发现的天然气藏不属深盆气范畴.
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