US Patent Issued to Weatherford Technology Holdings on Oct. 21 for "Liner hanger with mechanically locked hydraulic actuator" (British, American Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,872, issued on Oct. 21, was assigned to Weatherford Technology Holdings LLC (Houston).

"Liner hanger with mechanically locked hydraulic actuator" was invented by Jose V. Zavala Caraballo (Katy, Texas) and David Myles (Aberdeen, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liner hanger can include slips configured to anchor the liner hanger in a well, a tubular mandrel, a tubular outer housing outwardly surrounding the mandrel, an engagement member that releasably secures the slips against longitudinal displacement relative to the mandrel, and another engagement member that releasably secures the outer housing against longitudinal d...