TRACEABLE POLYMERIC VISCOSIFIER COMPOSITIONS AND METHODS OF USING

摘要

A traceable polymeric viscosifier which includes traceable phosphinate and/or phosphonate moieties and a viscosifying moiety. The viscosifying moiety may include amide functionality as well as carboxylate functionality and/or sulfonate functionality. The traceable polymeric viscosifier is suitable for enhanced oil recovery (EOR) in oilfield operations. A method of recovering petroleum from subterranean a petroleum-bearing deposit using an aqueous solution of the traceable polymeric viscosifier is also provided. The solution is preferably injected into a deposit area through at least one injection well to cause petroleum to flow from the deposit area for collection through at least one production well. The phosphinate and/or phosphonate moieties on the traceable polymeric viscosifier allow detection of the advancement of the water injection through the oil reservoir during the EOR application.