Newpark range of non-aqueous fluids range from industry standard diesel or mineral oil-based fluids to highly specialized synthetic based systems. In non-aqueous drilling fluids, the water phase is emulsified in a continuous oil phase in what is termed a water-in-oil emulsion, or invert emulsion. Invert emulsion drilling fluids are often easily adaptable to various pressures, temperature and wellbore conditions. These fluids are stable in the presence of high electrolyte concentrations, soluble gases and high temperatures.