Formation Pore Pressure Variation of the Neocomian Sedimentary Succession (the Fahliyan Formation) in the Abadan Plain Basin, SW of Iran

Figure 6

Shown is the stratigraphic correlation chart of the Lower Fahliyan Formation in an overall west–east direction (left to right) through wells A-6, B-2, D-1, I-1, and J-1. The green curve is gamma ray, the pink is sonic travel time, and the red points are the pressure data plotted against the wireline logs. The blue line shows the stratigraphic position of the regional seal (main pressure step) in A-6 and B-2 wells, separating the upper and lower compartments. Also, the step-wise pressure pattern can be seen in each compartment. The stratigraphic position of the regional seal is correlatable through fields A and B. The equivalent strata of lower compartment (below the main pressure step) change facies to nonreservoir Garau Formation in wells D-1, I-1, and J-1.