Density Studies in Clay-Liquid Systems, Part II: Application to Core Analysis

C. T. Deeds and H. van Olphen
Shell Development Company (A Division of Shell Oil Company) Exploration and Production Research Division, Houston, Texas1 1 Publication no. 291.

Abstract: In Part I (Deeds and van Olphen, 1961) pycnometric data on expanding clays in water and in other displacement fluids were analyzed in terms of inaccessible void space within aggregates and of possible density anomalies of the adsorbed fraction of the displacement fluids.

Further details of this work are reported, and the consequences for the interpretation of core analysis data are discussed. It is concluded that in core analysis the density of the connate water can be assumed to be normal while the fraction of the total pore space which is filled with oil is computed, provided that the total pore space is determined by using water or a polar organic liquid. If a hydrocarbon liquid or an inert gas is used, a small correction for inaccessible pore space can be applied.

Clays and Clay Minerals; 1961 v. 10; no. 1; p. 318-328; DOI: 10.1346/CCMN.1961.0100127
© 1961, The Clay Minerals Society
Clay Minerals Society (www.clays.org)