Its gas-bearing intervals are characterized by tight sandstone with poor porosity and poor permeability,and majority of them are of porous-type and minority are of microfracture.

• 洛带气田遂宁组为岩性圈闭气藏,储层为低孔隙度、低渗透率致密砂岩,以孔隙型储层为主,部分发育微裂缝。