GENEVA, Oct. 13 -- INTERWELL NORWAY AS (P. O. Box 9164089 Hafrsfjord) filed a patent application (PCT/EP2025/058041) for "BARRIER VALVE DEVICE" on Mar 25, 2025. With publication no. WO/2025/209861, the details related to the patent application was published on Oct 09, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): BUSENGDAL, Paul (Lyngstien 1b6390 Vestnes), KEERTHIVASAN, Vijay Kumar (Jaerveien 2344322 Sandnes)
Abstract: There is provided a barrier valve device for a completion string. The device comprises a circulation system and a barrier system. The circulation system comprises an openin...