Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799634 | Tracer release method for monitoring fluid flow in a well | Floor Andre Hartog, Ulfert Cornelis Klomp, Jean-Eric Negre, Yves Veran | 2004-10-05 |
| 6702041 | Combined logging and drilling system | — | 2004-03-09 |