ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,912, issued on June 23, was assigned to Chevron U.S.A. Inc. (San Ramon, Calif.).

"Apparatus and methods for an erosion control coating on an interior surface of production equipment" was invented by Lee David Rhyne (Cypress, Texas), Nicole Jeanette Bernstein Sharma (Houston) and Hariprasad Janakiram Subramani (Katy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique for reducing erosion on the interior of a production component of a well system involves coating the interior of the production component with a series of ribs and grooves. The coating can be a non-metallic material in which the ribs and grooves are formed. The coating can ...