It is a liquid blend of selected primary emulsifier. it is essentially polyaminated fatty oil and is used to emulsify with water. It is a unique drilling fluid primary emulsifier composed of glycerides and fatty acids for oil-based muds including those based on diesel, mineral oil and hydrocarbon. It is designed to provide highly stable invert drilling fluids with excellent emulsion stability, preferential oil wetting of solids by the oil phase, filtration control and temperature stability.