Table 1
Reservoir and seal pairs of Xingouzui formation in Jianghan Basin.
Formation | Thickness (m) | Lithologic character | Reservoir | Seal | ||
---|---|---|---|---|---|---|
Xingouzui Formation | Upper | 200~600 | Red mudstone with sandstone |
![]() |
||
Lower | Gypsum | 5~20 | Grey argillaceous gypsum and white gypsum | |||
Sandstone 1 | 50~150 | Red-grey mudstone and sandstone |
![]() |
|||
Sandstone 2 | 100~250 | Grey mudstone with marl and sandstone | ||||
Mudstone | 100~250 | Grey mudstone with gypsum-bearing mudstone |
![]() |
|||
Sandstone 3 | 100~250 | Red-grey mudstone and sandstone |
![]() |