Abstract
In upper Indus basin Potwar plateau is a successful exploration area for hydrocarbon. The study area is consisting of Fimkassar oil field and research data is obtained from Land Mark Resources with the special permission of Director General of Petroleum Concession Ministry of petroleum and natural resources Islamabad. The study area consists of well#1 and #2 and seismic lines 97-CP-07, 782-CW-23, 782-CW-25, 884-FMK-101, 884-FMK-102, of the Fimkassar oil field. The 2D seismic study is very essential for interpretation of the subsurface structure clarity in the study area and occurrence of hydrocarbon in deeper horizon of sedimentary basin. The interpretation will be carried out to confirm the reservoir characteristic of the Chorgali Formation to delineate promising location for test drilling into Chorgali Formation. The methodology adopted to achieve the reserves estimation includes the measurements for the shale volume by using Gamma Ray Log, Porosity by density and Neutron Log, Resistivity of water by using SP method, Saturation of water in the zone of reservoir and Hydrocarbon saturation using Archie equation. Time structure maps of the reflectors will be produced using two-way time of the reflectors. Time structure map is converted into depth contour map and get area for reserve estimation. Applying the volumetric method to calculate reserve in Fimkassar area.
Highlights
The Fimkassar oil field is the concession area of Oil and Gas Development Company Limited (OGDCL)
Areal structure shows that anticline is present in study area and seismic section show that triangular zone structure present in Fimkassar Oil Field
Five lines were used for seismic study and Depth and sonic log data can be used to generate synthetic seismogram to mark accurate horizons on seismic section and match with stratigraphic column
Summary
The Fimkassar oil field is the concession area of Oil and Gas Development Company Limited (OGDCL). The Potwar area is one of the oldest regions of oil production in Pakistan Khalid et al (2015). The Potwar sub-basin is present in northern Pakistan at the western foothills of the Himalayas. It includes the Jhelum Plain, the Potwar Plateau and the Salt Range. The MBT and salt range thrust mark the northern and southern boundaries of Potwar sub-basin. While Jhelum faults, the Indus river and the Kalabagh dextral fault mark the eastern and western boundaries respectively (Moghal et al, 2007). Gulf Oil Company drill first discovered well in this field
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