ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,274, issued on Oct. 28, was assigned to YPF TECNOLOGIA S.A. (Ciudad Autonoma de Buenos Aires, Argentina).

"Method for determining the provenance of an oil sample using geochemical allocation" was invented by Gabriel Ignacio Horowitz (Ciudad Autonoma de Buenos Aires, Argentina), Martin Fasola (Ciudad Autonoma de Buenos Aires, Argentina), Romina Milicich (Ciudad Autonoma de Buenos Aires, Argentina), Ricardo Maronna (Ciudad Autonoma de Buenos Aires, Argentina) and Santiago Wiedmann (Ciudad Autonoma de Buenos Aires, Argentina).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for determining the geological levels of reservoirs contributing to a sam...