Method of determining reservoir parameters

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science

Reexamination Certificate

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C324S303000

Reexamination Certificate

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08005619

ABSTRACT:
A method of determining the effect of formation porosity on formation resistivity and parameters derived from the formation resistivity is described, including the step of determining for a depth interval a heterogeneity measure; and using a pre-defined relation to transform the heterogeneity measure into an algebraic term determining the effect of the formation porosity on the formation resistivity, based for example on Archie's law or similar relations.

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Frailey, S.M., et al., Simultaneous Calculation of Archie Parameters m, n and a, West Texas Geologic Society Fall Symposium Proceedings, Oct. 2002, Midland, Texas, pp. 1-13, from http://www.depts.ttu.edu/peWeb/research/caprs/caprsPapers/ArchieParameters.pdf.

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