US Patent Issued to ENI on May 27 for "Valve and method for closing extraction wells under emergency conditions" (Italian Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,896, issued on May 27, was assigned to ENI S.P.A. (Rome).

"Valve and method for closing extraction wells under emergency conditions" was invented by Giorgio Ricci Maccarini (San Donato Milanese, Italy), Roberto Poloni (San Donato Milanese, Italy), Davide Tagliaboschi (Rome) and Andrea Biondi (Venezia Marghera, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A safety valve for wells for the extraction of hydrocarbons is described which allows the cutting of the tubular drilling material possibly present in the safety valve and the closure of the well with a hydraulic seal, allowing the subsequent application of appropriate intervention plans to ...