The objective of this study is to characterize of the petrophysical properties of Shiransih Formation in East Baghdad oilfield. The analysis involves both of examination of Well Log data obtained from specific wells, namely EB-86, EB-84, EBSK-10-4, EBSK8-2, and EBSK-5-4. The Gamma Ray Log is utilized to quantify volume of shale within the formation, while Porosity Logs, including Density Log, Neutron Log, and Sonic Log, are employed to determine effective porosity and index secondary porosity. Water saturation, movable hydrocarbon, and residual hydrocarbon are calculated using Resistivity logs (LLd, MSFL, and ILD). Additionally, a cross-plot analysis is performed utilizing Density Log and Neutron Log to determine the lithology of the Shiransih Formation.