US Patent Issued to CNPC USA, BEIJING HUAMEI, CHINA NATIONAL PETROLEIUM on Sept. 29 for "High temperature high pressure induced mineralization for sealing application" (American, Chinese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,647, issued on Sept. 29, was assigned to CNPC USA Corp. (Houston), BEIJING HUAMEI INC. (Beijing) and CHINA NATIONAL PETROLEIUM Corp. (Beijing).

"High temperature high pressure induced mineralization for sealing application" was invented by Lei Zhao (Houston), Jiaxiang Ren (Houston), Timothy Ryan Dunne (Houston), Yu Liu (Beijing), Kwami Roberts (Houston) 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 packer may comprise a swellable sealing element and a geopolymer. The swellable sealing element may comprise ...