Tri-Vis is a primary rheology additive that provides low shear rate viscosity (LSRV) in non-aqueous drilling, workover, and completion fluid systems. When mixed with oils or oil based muds, it provides hole cleaning, solids suspension, and formation invasion control.

Addition of Tri-Vis in non-aqueous fluids results in LSRV Invasion Control properties which promotes low solids, shear thinning for increased rates of penetration.