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1·Arenite dolomite, oolitic dolomite, silty dolomite, silty-fine dolomite, oolitic limestone and arenite are of reservoir signification.

砂屑白云岩、鲕粒白云岩、粉晶白云岩、粉-细晶白云岩、鲕粒灰岩和砂屑灰岩具有储集意义。

2·This paper has divided the sedimentary facies of Feixianguan Formation , and analyzed the distribution of oolitic limestone beach body.

本文进行了飞仙关组沉积相的划分与鲕粒灰岩滩体分布的分析。

3·Oolitic beach reservoir is of fractured or porous reservoirs which include oolitic limestone and dolomite. It is a high gas production reservoir in northern Sichuan province.

飞仙关组鲕滩储层为裂缝-孔隙型或孔隙型储集类型，储集岩可分为鲕粒灰岩和自云岩，在川东北地区是高产气层。

4·Oolitic limestone can form anticlinal reservoirs, fault block reservoirs and stratigraphic reservoirs, and is the important reserve resource potential of the oil and gas exploration.

鲕状灰岩可形成背斜油藏、断块油藏、地层油藏，是值得重视的油气勘探后备资源潜力。

5·The grained Carbonate rocks of Qianjiang Formation in Qianjiang Sag can be divided into oolitic limestone, sand-clastic limestone, mud-crystal sand-clastic dolomite, alga-gobbet limestone etc.

潜江凹陷潜江组粒屑碳酸盐岩性主要发育鲕粒石灰岩、砂屑灰岩、泥晶砂屑云岩、藻团块灰岩等。