US Patent Issued to Halliburton Energy Services on Nov. 4 for "Curved flow tube to slow a closure of a flow valve" (Singaporean, American Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,509, issued on Nov. 4, was assigned to Halliburton Energy Services Inc. (Houston).

"Curved flow tube to slow a closure of a flow valve" was invented by Michael Linley Fripp (Singapore), Hadi Arabnejad Khanouki (Frisco, Texas) and David Allen Dockweiler (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A curved flow tube can be positioned in a tubing string deployed downhole in a wellbore to slow a closure of a flow valve in the tubing string. The tubing string can be deployed in the wellbore to transport wellbore fluid. The flow valve can be coupled to the tubing string. Additionally, the flow valve can include a flapper and the flow tube. Th...