US Patent Issued to Schlumberger Technology on May 27 for "Methods for making and using retarded acid compositions for well stimulation" (Saudi Arabia, American Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,537, issued on May 27, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Methods for making and using retarded acid compositions for well stimulation" was invented by Xiangdong Qiu (Al-Khobar, Saudi Arabia), Dominic Joseph Brady (Al-Khobar, Saudi Arabia), Ziad Al-Jalal (Dammam, Saudi Arabia), Mohan Kanaka Raju Panga (Sugar Land, Texas) and Christopher Daeffler (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are methods for treating a subterranean formation penetrated by a wellbore with a retarded acidizing fluid containing an acid and an acid retarding agent, the concentrations of which are adjusted based o...