ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,322, issued on Feb. 17, was assigned to ConocoPhillips Co. (Houston).
"Late life steam drive and gas strategy" was invented by Alex Filstein (Houston), Javier Sanchez (Houston) and Julian Ortiz Arango (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing heavy oil while reducing steam usage, the method including producing oil by SAGD or a SAGD variant in an array of wellpairs until an SOR increases, then shutting in every other injector and injecting steam plus noncondensable gas (NCG) in the remaining injectors and producing oil from all producers."
The patent was filed on June 20, 2024, under Application No. 18/748,233.
...