薄层砂岩储层
thin sandstone reservoirs
长6储层砂岩
Chang 6 reservoir sandstone
低渗透薄互层砂岩油藏
reservoir with low permeability and thin interbedd
reservoir with low permeability and thin interbedded sandstone
多层砂岩体
multistory sandstone body
多层砂岩油田
multi_layer sandstone reservoir
含水砂岩层
water sand
Water-bearing sandstone layer
含铀煤系中的砂岩 层
sandstone layer in the uranium-coal bearing series