ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,098, issued on Aug. 12, was assigned to Halliburton Energy Services Inc. (Houston).

"Quantum gravimeters for hydrocarbon reservoir analysis" was invented by Michael Linley Fripp (Singapore), Michael Christie (Aberdeenshire, Great Britain), Luke William Holderman (Singapore) and Arpana Singh (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure presents processes to locate one or more quantum gravimeters at a hydrocarbon well site, with at least one quantum gravimeter at a surface location. One or more additional gravimeters, whether quantum gravimeters or non-quantum gravimeters, can be located downhole a wellbore of the well site...