A mixture of modified sulfated asphaltenes. It is used in water-based drilling muds. The dispersing reagent is designed for the reduction of fluid loss, microfracture colmatation, suppress of clay rock hydration and stabilization of wellbore walls. It improvesfilter cake quality and also enhances the lubricating ability of the drilling mud.
Range of applications
The reagent is used almost in all types of water-based muds. It is added directly to the mud in a concentration of 11-28 kg/m3 according to the application environment.