ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,123, issued on Nov. 11, was assigned to CNPC USA Corp. (Houston), BEIJING HUAMEI INC. (Beijing), CHINA NATIONAL PETROLEUM Corp. (Beijing) and KEMBL PETROLEUM TECHNOLOGY DEVELOPMENT Co. LTD (Beijng, China).

"Boronized corrosion resistant alloy component for high pressure and high temperature oilfield applications" was invented by Timothy Ryan Dunne (Pearland, Texas), Lei Zhao (Houston), Jiaxiang (Jason) Ren (Houston) and Peng Cheng (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hardened slip and a method of making the hardened slip are disclosed. A method of hard surfacing a slip component for a downhole tool is disclosed. The slip compone...