The Consideration of Clay in a Sandstone Pore System

$2.00

Derek G. Lee
Petro Canada Exploration Inc

7th Formation Evaluation Symposium of the
Canadian Well Logging Society in Calgary, October 21, 22, 23 & 24, 1979

1979

Abstract

Clay present in the pore space of a sandstone requires consideration in well log analysis. The clay physically occupies pore space and hinders distinction between effective porosity and total porosity; the clay also contributes to the measured electrical signal. Without compensation for these influences a potentially hydrocarbon-bearing rock may well be masked by the effect of clay.

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