US Patent Issued to CNPC USA, BEIJING HUAMEI, CHINA NATIONAL PETROLEUM on July 22 for "HTHP corrosion resistant composite seal via recrystallization of reactive composite: formulation and deployment" (Texas Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,826, issued on July 22, was assigned to CNPC USA Corp. (Houston), BEIJING HUAMEI INC (Beijing) and CHINA NATIONAL PETROLEUM Corp. (Beijing).

"HTHP corrosion resistant composite seal via recrystallization of reactive composite: formulation and deployment" was invented by Lei Zhao (Houston), Jiaxiang (Jason) Ren (Houston), Timothy Dunne (Pearland, Texas) and Peng Cheng (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "The Patent Application discloses an in-situ swellable composition suitable for use in subterranean wells. The swellable composition may comprise a composite material. The composite material swells on contact with water due to chemi...