Fluid Loss Control Additives ENAB-TROL G Gilsonite powder for fluid loss control ENAB-TROL SA Sulfonated asphalt ENAB-TROL LT Sulfonated polymer-based fluid loss control additive for high temperature WBM application ENAB-TROL HT Sulfonated polymer-based fluid loss control additive for high temperature WBM application ENAB REXILIG Resinated lignite ENAB ORGALIG Organophilic lignite ENAB-SHIELD Latex-based powder fluid loss control additive ENAB-SHIELD L Liquid latex-based wellbore stability & fluid loss control additive