Bentonite is used during drilling and tunneling fluids to lubricate and cool cutting tools, remove cuttings and help prevent blowouts. It is a common component in drilling mud used to curtail drilling fluid invasion through its propensity to aid in the formation of mud cakes. OCMA Bentonite is a specially selected activated sodium bentonite. OCMA Bentonite is an all-around drilling bentonite. OCMA Bentonite has a low fluid loss, is easy to recycle, and therefore has an outstanding price-quality ratio.