ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,035, issued on Feb. 17, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).
"Corrosion evaluation of nested casings via pulsed eddy current" was invented by Isabelle Dubourg (Clamart, France), Emmanuel Legendre (Clamart, France), Fabrice Mege (Clamart, France) and Rina Baba (Clamart, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems pertaining to a processing system and a downhole logging tool for investigating nested tubulars in a borehole. The downhole logging tool includes a transmitter coil for emitting a broadband excitation signal including one or more step excitations. The downhole logging tool also incl...