The crack in Jialingjiang Formation reservoir is developed.Part cracks filled by calcite, argillaceous and y gypsum.Reservoir type mainly is crack-pore and pore.

• 裂缝在嘉陵江组储层较发育,部分裂缝被方解石、泥质、石膏等填充,储集类型主要为裂缝-孔隙型和孔隙型。