US Patent Issued to Schlumberger Technology on Jan. 27 for "Methods for determining a position of a droppable object in a wellbore" (American, Russian Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,999, issued on Jan. 27, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Methods for determining a position of a droppable object in a wellbore" was invented by Demid Valeryevich Demidov (Novosibirsk, Russia), Artem Valeryevich Kabannik (Park Row, Texas) and Roman Vladimirovich Korkin (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The position of a droppable object (e.g., a cementing plug or drillpipe dart) in a cased wellbore may be determined in real time during a cementing operation. A pressure data acquisition system is installed at a wellsite and a pressure transducer is installed at the wellhead. As the dr...