Abstract

The Krishna-Godavari Basin, a passive continental margin located on the east coast of India having NE-SW structural trend. The recent oil and gas strike in G2PA from Godavari Clay sequence in deep offshore has given impetus for present analyses. The objective of the present paper is to address the cause for low resistivity of the pay sands within younger sequences like Godavari Clay (Plio-Pleistocene) and Ravva (Mio-Pliocene). Evaluation of such low resistivity pay sands is a major challenge as these are often overlooked owing to inherent limitations on the resolution of logging tools and unavoidable cut-offs in the estimation of reservoir parameters. Any hydrocarbon bearing layer with