Ngrayong Unit |
Depositional setting Characteristics | Porosity (%) |
Permeability (mD) |
| Unit I -Lower Ngrayong | Shelf to upper slope; massive sandstone | 24-40 |
1000 - 7080 mD |
| Unit II - Lower Ngrayong | Deep marine, slope to basinal; sand and shale interbeds. | 8.2 – 27.3 |
0.15 – 193 mD |
Unit III - Upper Ngayong |
Inner neritic to bathyal; Rippled sandstone | 17-20 |
270 – 350 mD |
Table 2: Reservoir properties of deep-water East Java Basin (data from Ardhana, 1993)