INDUCED POLARIZATION OF SHALY SANDS - THE EFFECT OF CLAY COUNTERION TYPE.

H. J. Vinegar, M. H. Waxman

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The effect of clay counterion type on shaly sand conductivity is of considerable interest in well log evaluation. This paper describes measurements of the complex conductivity of typical sandstones with different clay counterions. The experimental procedures and results for the in-phase and out-of-phase equivalent counterion conductivity are presented. Observations are made concerning anomalous dielectric constants in shaly sands. The paper concludes with calculations of equivalent conductivity of sodium and calcium exchange cations in mixed electrolyte solutions based on clay ion exchange equilibria.

Original languageEnglish
Pages (from-to)11-21
Number of pages11
JournalLog Analyst
Volume25
Issue number6
StatePublished - 1 Nov 1984
Externally publishedYes

ASJC Scopus subject areas

  • Process Chemistry and Technology

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