ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,079, issued on June 10, was assigned to Halliburton Energy Services Inc. (Houston).

"Induction loop cementing progress detection" was invented by Songhua Chen (Katy, Texas), Jinhua Cao (Humble, Texas) and Lonnie Carl Helms (Humble, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wellbore fluid inductance monitor is disclosed, which operates at an end of a tubular in a wellbore. The wellbore fluid inductance monitor comprises an inductor in an electrical circuit. A magnetically doped portion of wellbore fluid, which may be a hydraulic fluid or cement slurry, is introduced into the wellbore during a reverse cementing or other cementing operatio...