Patent 12012550 was granted and assigned to SAUDI ARABIAN OIL COMPANY on June, 2024 by the United States Patent and Trademark Office.
A method for acid treating a carbonate reservoir with an attenuated acid formulation is provided. The method includes mixing an acidic compound with a hygroscopic chemical to form the attenuated acid formulation, and injecting the attenuated acid formulation into a carbonate formation.