Solids Concentration Effects in Bentonite Drilling Fluids

D. T Oakes
Lion Oil Company Division, Monsanto Chemical Company, Texas City, Texas

Abstract: A series of studies of the apparent electrokinetic potential and other characteristics of aqueous bentonite systems as they are affected by bentonite concentration is presented. A new concentration parameter, which logically arises from a previously presented filtration theory (Oakes, 1958), is demonstrated to describe adequately the effects of solids concentration. The concentration parameter is analytically derived and is shown to make suitable allowance for the adsorbed phase on the bentonite patricles.

Clays and Clay Minerals; 1959 v. 8; no. 1; p. 252-273; DOI: 10.1346/CCMN.1959.0080123
© 1959, The Clay Minerals Society
Clay Minerals Society (www.clays.org)