2D SEISMIC REFLECTION DATA INTERPRETATION, PETRO PHYSICAL ANALYSIS OF FIMKASSAR AREA, UPPER INDUS BASIN, PAKISTAN USING SEISMIC AND WELL LOG DATA

Abstract

The dissertation work includes seismic data interpretation, seismic attribute analysis, petrophysical analysis using well logs data; identification of possible resource plays as well use of seismic inversion to estimate physical properties of rocks. Seismic and well log interpretation are used in the dissertation to study the structural style, physical properties of rocks and identification of possible petroleum system in Fimkassar area (Upper Indus Basin) Pakistan. The data is interpreted with Kingdom Suit (8.8) software. Two horizons are marked namely Sakesar and Patala Formations. Time and a depth contour maps shows faulted anticline structures in study area. Petrophysical analysis of wells Fimkassor-02 is carried out for Sakesar Formation in order to depict the probable hydrocarbon producing reservoir. Seismic attribute analysis is then applied to confirm both structural and stratigraphic interpretation. Petrophysical results suggest that Sakesar Formations is hydrocarbon bearing zone with shale (35% by volume) and limestone (10% porosity). Seismic inversion results are also demonstrating that Sakesar Formation acts as a reservoir. The post stack color inversion is performed to identify the possible hydrocarbon accumulation via variation in acoustic impedance that agrees with petrophysical analysis.