Anti Sludge Agents
Al Moghera has developed additives that prevent acid-related sludge precipitation from asphaltenic crude oils
Some hydrocarbons, predominantly those which contain high levels of asphalt, have tendencies to form sludge in the presence of live or spent HCl or HCl/HF acid mixtures.
ASA-50 Anionic Anti Sludge Agent prevents asphalt sludge and emulsions when treating with HCl acid. It promotes rapid return of the treating fluid to the wellbore after acidizing. Certain crude oils form insoluble deposits when contacted with acid, because unstable colloidal material in the crude oil coagulates. Crude oil sludge causes slow returns; and a large amount of asphalt-type material can plug the formation permeability. ASA-50 acts as an artificial colloid stabilizer to prevent formation of these deposits at the crude oil/acid interfaces
ASA-50 is a blend of dodecylbenzene sulfonic acid and sulfated oxyalkylatedalcohols in an aqueous alcohol solvent system.
ASA-40 Anti Sludge is a mixture of cationic surfactants formulated specifically to help prevent the formation of acid sludge and emulsions in acid systems. Being cationic, it functions well in the presence of high concentrations of soluble iron and other cations that are present in acid.
ASA-10 Anti Sludge is a mixture of Non-Ionic surfactants formulated specifically to help prevent the formation of acid sludge and emulsions in acid systems. Being Non-Ionic, it functions well in the presence of high concentrations of soluble irons that are present in acid.