The types of reservoir rocks mainly are oolite dolomite and dissolved porous oolite limestone.
其储集岩类型主要为鲕粒云岩和溶孔鲕粒灰岩两大类。
2
Reservoir rocks of lower Paleozoic mainly include dolomite and limestone; reservoir rocks of upper Paleozoic mainly include sandstone reservoir.
下古生界白云岩和灰岩为主要的储集岩类，上古生界则主要以砂岩储层为主。
3
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.