US Patent Issued to SCHLUMBERGER TECHNOLOGY on April 8 for "Method for single-stage acid treatment of siliceous subterranean formations" (Texas Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,288, issued on April 8, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Method for single-stage acid treatment of siliceous subterranean formations" was invented by Haiyan Zhao (Sugar Land, Texas), Murtaza Ziauddin (Katy, Texas), Temiloluwa Iyenoma Yusuf (Sugar Land, Texas), Patrice Abivin (Houston) and Juan-Carlos Santamaria (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and compositions for treating a siliceous geologic formation are described herein. An aqueous treatment composition for treating such formations includes an acid having molecular weight less than about 200, or an ammonium or sodium salt thereof,...