开江-梁平海槽控制着川北地区飞仙关组台缘鲕滩的分布。
Kaijiang - Liangping trough controls the distribution of platform edge oolitic shoal in the Feixianguan Fm in northern Sichuan basin.
故台地西部台缘鲕粒滩相的深层圈闭有望发现储层巨厚的特大鲕滩气藏。
Investigation shows that an exceptionally big oolitic beach reservoir with massive thickness could be found out in the deep trap of oolitic beach facies on the west platform edge of the plateau.
四川盆地东部下三叠统飞仙关组鲕滩主要发育在碳酸盐岩台缘带上，而台缘带与海槽密切相关，找到了海槽就意味着找到了鲕滩。
The oolite beach of the lower Triassic Feixianguan Formation in eastern Sichuan basin developed in themargin of carbonate platform, and platform margins are always related to ocean trough.
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