2D SEISMIC INTERPRETATION AND PETROPHYSICAL ANALYSIS OF QAZIAN AREA UPPER INDUS BASIN PAKISTAN

Abstract

Eastern Potwar is highly deformed area and hosts several structural traps with complex geometries and are producing hydrocarbons. The present study aims to understand the structural framework, and petrophysical analysis of Qazian area. The seismic data (four dip lines and one strike line) and well data (Missa Keswal-03) was obtained from Bahria University with the approval of Head of Department.Two reflectors i.e., Chorgali, and Sakesar were marked by using Time-Depth chart by incorporating well tops and average velocities. The interpretation was extended to all seismic lines by using control lines followed by preparation of Time-Depth contour maps shows a pop-up geometry bounded by a fore thrust. The petrophysical analysis of reservoir zone in Sakesar Limestone indicates good reservoir potential i.e average porosity, effective porosity etc. but saturation of hydrocarbon does not support commercial discovery in future.