Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366159 | Sensor assembly and system, and a method of determining the free water level in a hydrocarbon reservoir | Trond Arne Rolfsvåg, Øivind Godager, Solveig Riisøen, Kjetil Ormark Cleveland | 2025-07-22 |
| 9187968 | Fluid partition unit | Ove Hole | 2015-11-17 |
| 9057236 | Method for initiating fluid circulation using dual drill pipe | Tore Høgset | 2015-06-16 |
| 8955847 | Sealing arrangement for a down hole valve | Stein Erik Meinseth | 2015-02-17 |
| 8925629 | Down hole well tool with expansion tool | Ola M. Vestavik | 2015-01-06 |
| 8925630 | Down hole well tool with rolling means | Ola M. Vestavik | 2015-01-06 |
| 8777273 | Structure for a nested dual drill pipe joint | Espen Alhaug | 2014-07-15 |
| 8720543 | Device for passive pressure sealing | Morten Olav Meling | 2014-05-13 |
| 8171960 | Plug with gripping means | Jostein Aleksandersen | 2012-05-08 |
| 7909065 | Pre-tensioned sealing means arrangement | Jostein Aleksandersen | 2011-03-22 |
| 7878221 | Smartplug with wheel centralizer | Jostein Aleksandersen | 2011-02-01 |
| 7857356 | Smartcoupling—non responsive | Jostein Aleksandersen | 2010-12-28 |
| 7766046 | Plugging system for use during an offshore pipeline laying operation | Jostein Aleksandersen | 2010-08-03 |
| 7568504 | Hydraulic cylinders and plug with hydraulic cylinder | Jostein Aleksandersen | 2009-08-04 |
| 7210503 | Method and device for increasing safety during pipelaying | Jostein Aleksandersen | 2007-05-01 |