US Patent Issued to QINGDAO QINGFLEX HOSE FACTORY on Dec. 30 for "Steel wire pre-embedded integrated full-bore acid fracturing hose assembly and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,195, issued on Dec. 30, was assigned to QINGDAO QINGFLEX HOSE FACTORY (Qingdao, China).

"Steel wire pre-embedded integrated full-bore acid fracturing hose assembly and preparation method thereof" was invented by Chen Zhang (Qingdao, China), Yanqiu Wang (Qingdao, China) and Fan Zhou (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a steel wire pre-embedded integrated full-bore acid fracturing hose assembly, including a hose that sequentially includes an inner liner, an internal adhesive layer, a steel wire layer, and an external adhesive layer from inside out; and, a joint that includes a protective sleeve...