Oil Drilling Chemical Oil Drilling Chemical Ammonium ChlorideBariteBentoniteKOH / Potassium HydroxideCaustic Soda FlakeCalcium CarbonateXCO PolymerHydrocerofDEGAcetic AcidCalcium BromideCaustic soda PearlsChrome Free LignosulfonateCitric AcidCMC-LV/HVPHPA (Partially Hydrolyzed