دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: any of several substances - usually organic compounds of high molecular weight-that, when added in low concentrations to a bentonite or to certain other clay slurries, will increase the viscosity of the system. See low-solids mud.

n: The material increasing viscosity by adding into the clay slurry.

a drilling additive to increase the viscosity of water based muds gelled with bentonite.