US Patent Issued to Landmark Graphics on Dec. 30 for "Integrated surveillance and control of oilfield activity" (Texas Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,980, issued on Dec. 30, was assigned to Landmark Graphics Corp. (Houston).

"Integrated surveillance and control of oilfield activity" was invented by Keshava Rangarajan (Sugarland, Texas), Joseph Blake Winston (Houston), Anuj Jain (Katy, Texas) and Xi Wang (Katy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of managing oilfield activity with a control system is provided having a plurality of virtual sensors and integrating the virtual sensors into a virtual sensor network. The method includes determining interdependencies among the virtual sensors, obtaining operational information from the virtual sensors, and providing virtual sen...