Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9903169 | Polymer gels as flow improvers in water injection systems | Torbjørn Tenold Eikaas, Jan Erik Solbakken | 2018-02-27 |
| 8826975 | Systems and methods of microbial enhanced oil recovery | Michael R. Pavia, Thomas Ishoey, Stuart Mark Page | 2014-09-09 |
| 7124817 | Method of treating a hydrocarbon bearing formation | — | 2006-10-24 |
| 6834889 | Torque release coupling for use in drill strings | Morten Hyvik, Per Olav Haughom | 2004-12-28 |
| 6758270 | Method of microbial enhanced oil recovery | Terje Torsvik | 2004-07-06 |
| 6626240 | Device for annular well isolation | — | 2003-09-30 |
| 6607043 | Down hole motors and methods for their operation | Per Olaf Haughom | 2003-08-19 |
| 6546962 | Introduction of air into injection water | — | 2003-04-15 |
| 6365053 | Removal of H2S in drilling mud | Håvard Olsen | 2002-04-02 |
| 5919739 | Plugging liquid for plugging a subterranean formation zone | Hans Konrad Johnsen | 1999-07-06 |
| 5717131 | Apparatus for testing a shear thickening plugging fluid | Hans Konrad Johnsen, Tommy Engan | 1998-02-10 |
| 5163510 | Method of microbial enhanced oil recovery | — | 1992-11-17 |