ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,867, issued on Oct. 21, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Shale inhibitor additives, wellbore fluids comprising said additives, and methods of using said fluids" was invented by Dimitri M. Khramov (Katy, Texas), Balakrishnan Panamarathupalayam (Houston), Sharath Chandra Mahavadi (Lexington, Mass.) and Lucas Mejia (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Shale inhibitor additives, wellbore fluids comprising said additives, and methods using said fluids control hydration in wellbores disposed within swellable subterranean formations. The wellbore fluids contain aqueous base fluids, the shale inhib...