Versagel HT pure hectorite clay is the primary viscosifier in all Versa oil-base, Nova synthetic-base, and Paradril paraffin-base drilling fluid systems with high temperature requirements. Versagel HT viscosifier is used to increase the carrying capacity and suspension properties, provide support for weight materials, and improve cuttings removal. Versagel Ht viscosifier also aids in filtercake formation and filtration control.