ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,697, issued on Aug. 4, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).
"Systems and methods for independent control and operations of tubing and annulus at the wellhead for steam injection" was invented by Sandeep Shashikant Janwadkar (The Woodlands, Texas) and Jay Patrick Painter (League City, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for utilizing steam for enhanced subterranean production may include operating multiple flow control valves of a wellhead assembly at a wellbore into a configuration so that a flow path is opened, where a first end of the flow path is configured to be coupled to a steam injection system, an...