The invention relates to a composition comprising an HPHT fluid loss control aid, stable at elevated temperatures and which also acts as an excellent shale stabilizer, bore hold lubricant, sealant for depleted sand, and wall cake conditioner. The HPHT fluid loss control aid broadly comprises a Gilsonite (asphaltite, asfaltit,Gilsonita,uintaite, natural asphalt, natural bitumen) which also contains a surfactant such as a nonionic surfactant.
date_rangeDec 29' 2018 / India
date_rangeAug 08' 2018 / Iran
date_rangeAug 08' 2018 / Iran
date_rangeAug 07' 2018 / Iran