MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202637087928 A) filed by Snf Group on July 18, 2026, for Slow-Reacting Acidizing Compositions And Methods.
Inventors include Bhaduri, Sumit; Qu, Qi; and Jensen, Anna.
The application for the patent was published on July 31, 2026, under issue no. 31/2026.
Abstract: Provided is an acid retarder composition, a well treatment fluid, and a method of treating a subterranean formation for slow-reacting acidizing operations. An acid retarder composition for acidizing a subterranean formation includes a nitrogen-containing derivative of carbonic acid, a quaternary ammonium compound, and a surfactant. Well treatment fluids include an aqueous medium, an acid, and an acid retarder composition including a nitrogen-containing derivative of carbonic acid, a quaternary ammonium compound, a surfactant. Methods of treating a subterranean formation include injecting a well treatment fluid including an aqueous medium, an acid, and an acid retarder composition including a nitrogen-containing derivative of carbonic acid, a quaternary ammonium compound, and a surfactant into a subterranean formation.
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