ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,233, issued on June 3, was assigned to InflowControl AS (Porsgrunn, Norway).

"Pressure actuated valve for use during installation and commission of a production string" was invented by Christian Nomme (Skien, Norway) and Bjornar Werswick (Langesund, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a system and a pressure activated valve for preventing fluid from passing through an ICD during installation and commissioning of a production string in a well bore. Further the invention relates to a method for operating the pressure activated valve. The pressure activated valve can be arranged outside the production s...