ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,615, issued on Sept. 16, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Method and apparatus for methane leakage detection" was invented by Kang Wang (Houston), Shu Pan (Calgary, Canada), Gocha Chochua (Sugar Land, Texas), Raphael Gadot (Sugar Land, Texas), Nasser Ghorbani (Houston) and Oleg O. Medvedev (Missouri City, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods presented herein generally relate to greenhouse gas emission management and, more particularly, to greenhouse gas emission management systems and methods for performing greenhouse gas detection sensor placement planning, leakage source traci...