Baroid Industrial Drilling Products’ new Penetrol Dry surfactant is 100% active surfactant for superior performance on sticky clays and shales to reduce bit balling, differential sticking and agglomeration of cuttings. Pentrol Dry, unlike other common liquid surfactants, exhibits minimal to no foaming under high shear conditions. As a dry surfactant, Penetrol Dry is your product-of-choice for drilling environments that are sensitive to aquatic toxicity.