CEMENTING COMPOSITION AND AQUEOUS HYDRAULIC CEMENTING SOLUTION COMPRISING WATER-SOLUBLE, NONIONIC HYDROPHOBICALLY MODIFIED HYDROXYETHYL CELLULOSE

摘要

0736pKirkland, Lukach & McLachlan Case 1CEMENTING COMPOSITION COMPRISINGWATER-SOLUBLE, NONIONIC HYDROPHOBICALLY MODIFIEDHYDROXYETHYL CELLULOSE AND ITS USEAbstract of the DisclosureA cementing composition comprising a hydraulic cementand, as a fluid loss agent, a water soluble, nonionichydrophobically modified hydroxyethyl cellulose having ahydroxyethyl M.S. of at least about 1.5 and a long chainalkyl group modifier having 6 to 25 carbon atoms attached tothe cellulose, and its use as an oil well casing cement, aredisclosed.