Commercial Bentonite Drilling Fluids Netwas Group Oil
Jan 23, 2019· The YP/PV ratio specification (3 maximum) limits this amount of beneficiation. Hence, API bentonite, under many conditions, performs similarly to the nontreated bentonite. API OCMA Grade Bentonite API OCMA Grade Bentonite is predominantly a calcium bentonite and as such, cannot meet specifications of either of the other two APIgrade bentonites.