ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,881, issued on Sept. 9, was assigned to Halliburton Energy Services Inc. (Houston).
"Non-intrusive tracking of objects in pipelines and wellbores" was invented by Stephen Christopher Newman (Aberdeen, Great Britain) and Graham Peter Jack (Newburgh, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of the present disclosure relate to non-intrusive tracking of objects in a conduit from a single location. 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 positi...