Determining the porosity exponent m and lithology factor a for sandstones and their control by overburden pressure: A case study from the Gulf of Suez, Egypt

The porosity exponent m represents an important parameter in Archie’s equation; it is routinely used in well logging interpretation and formation evaluation. It reflects some petrophysical rock properties; such as the petro- and pore-fabrics, and the overburden pressure OBP.

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