ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,623, issued on Sept. 8, was assigned to Halliburton Energy Services Inc. (Houston).

"Using radio isotopes as a triggering element in downhole applications" was invented by Mohan Gunasekaran (Singapore) and Mathusan Mahendran (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods of the present disclosure relate to control of a downhole tool via at least one radio isotope. The radio isotope(s) is pumped from the surface to contact an isotopic analyzer of the tool. The isotopic analyzer reads the isotope and directs the tool to perform a specific action(s) in the wellbore based on the type of isotope read by the analyzer."

The ...