ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,965, issued on Sept. 2, was assigned to Halliburton Energy Services Inc. (Houston).
"Non-intrusive tracking of objects and fluids in wellbores" was invented by Anna Savenkova (Aberdeen, Great Britain) and Graham Peter Jack (Aberdeen, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of the present disclosure relate to non-intrusively monitoring a fluid level or an object in a conduit. A system comprises a component positioned to control flow into or out of the conduit to induce pressure waves in the conduit; a pressure transducer in fluid communication with the conduit, the pressure transducer positioned to measure pre...