ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,877, issued on Dec. 16, was assigned to Cenovus Energy Inc. (Calgary, Canada).
"End-of-life recovery of mobilized hydrocarbons" was invented by Emeka Chinedu Chineme (Calgary, Canada), Ishan Deep Singh Kochhar (Calgary, Canada) and David Butterwick (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods are provided herein for an end-of-life recovery of mobilized hydrocarbons from a stranded hydrocarbon pay zone within a subterranean reservoir by way of a recovery well. In some embodiments, the stranded pay zone is located between mobilized hydrocarbon zones of thermal recovery operations. In some embodiments, the stranded pay zone i...