Barite, to increase hydrostatic pressure in the drilling process
Calcium Carbonate, for the fluid’s density to increase
Caustic Soda, caustic soda for the maintenance of the pH level and its alkalinity
Potassium Chloride, to control swelling clays
Sodium Ash, sodium ash to ensure the optimal pH of the drilling fluids
Sodium Chloride, for the fluid’s density to increase
Lime,
and Others.