US Patent Issued to Interwell Norway AS on May 27 for "Downhole well tool and method for permanently sealing a downhole well" (Norwegian Inventor)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,900, issued on May 27, was assigned to Interwell Norway AS (Hafrsfjord, Norway).

"Downhole well tool and method for permanently sealing a downhole well" was invented by Espen Hiorth (Trondheim, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole well tool, which permanently seals a downhole well, includes a housing, a first compartment, an expandable sealing element, a metal body, a setting system, and a fluid line. The housing has an upper housing section and a lower housing section. The first compartment is provided within housing. The expandable sealing element is provided circumferentially outside the lower housing section, thereby ...