Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900639 | Electromagnetic method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves | Svein Ellingsrud, Harald Westerdahl, Fan-Nian Kong | 2005-05-31 |
| 6864684 | Electromagnetic methods and apparatus for determining the content of subterranean reservoirs | Svein Ellingsrud, Harald Westerdahl, Fan-Nian Kong | 2005-03-08 |
| 6859038 | Method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves | Svein Ellingsrud, Fan-Nian Kong, Harald Westerdahl | 2005-02-22 |