Petrophysical analysis of Nandpur area, middle Indus basin, Pakistan (P-0894) (MFN 3986)

Abstract

The present study pertains to the modeling of the productive zones from the well log data. This was carried out by using well log data of Nandpur-02 provided by the Earth Sciences Department of Bahria University Islamabad. The Nandpur Gas field was acquired by OGDCL. The area lies in the Middle Indus basin and the two reservoirs are encountered during the study of well Nandpur-02. The gas, which has accumulated in different Cretaceous and Jurassic formations, has a very high Nitrogen gas (N2) content. In Petrophysical studies first of all Reservoir zones were identified and the petrophysical properties including volume of shale, porosity (density, neutron, average and effective porosities), Net-pay calculation after application of cut-off, resistivity of water, water saturation, hydrocarbon saturation. During petrophysical interpretation different cross plots were constructed of three zones. According to the petrophysical analysis results, zone 1 is water saturated, while the average values of hydrocarbon saturation in zone 2 is 65% and in zone 3 is 61%. On the basis of these results it can be stated that zone 2 and 3 have good hydrocarbon potential.