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罗家寨气田发现于2000年,是四川盆地迄今为止发现的储量规模最大的一个气田,2002年探明储量为581.08×108m3。其下三叠统飞仙关组储层由碳酸盐岩蒸发台地边缘优质鲕粒滩白云岩构成,圈闭面积大,构造幅度高,具有一定的埋藏隐蔽性。论述了气田的发现和探明过程,气藏地质的特征,以及对碳酸盐岩气藏勘探的启示。
The Luojiazhai gas field was discovered in 2000 and is the largest gas field discovered so far in the Sichuan Basin. The proven reserves in 2002 was 581.08 × 108 m3. The Lower Triassic Feixianguan Formation consists of high-quality oolitic beach dolomite at the margin of the carbonate evaporation platform, with large trapping area and high tectonic amplitude, which has certain buried concealment. Discussed gas discovery and discovery process, gas reservoir geology, as well as the enlightenment of carbonate gas exploration.