Summary: | The succession of Early Jurassic formations was studied in terms of reservoir characters in two wells: Atrush-1 and Shaikhan-1B from the Atrush and Shaikhan oilfields, respectively, in the Duhok Governorate, Iraqi Kurdistan Region. The well Log data from these wells were used to achieve the objectives of the research. Well log data are commonly used to study petrophysical properties of the reservoir rocks. This task is accomplished through running Interactive Petrophysics software (IP). Log interpretation was supportive for: (1) Prediction of lithological characters and (2) calculation of shale volume, total porosity, effective porosity, secondary porosity, water saturation, water bulk volume, residual hydrocarbon, and movable hydrocarbon of each formation in the studied wells.
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