| 7273096 |
Gel release device |
Johannis Josephus Den Boer |
2007-09-25 |
| 7256706 |
Hybrid well communication system |
Mark Christopher Haase |
2007-08-14 |
| 7257050 |
Through tubing real time downhole wireless gauge |
Paul Tubel, Clark Bergeron |
2007-08-14 |
| 6679324 |
Downhole device for controlling fluid flow in a well |
Johannis Josephus Den Boer, Astrid Hartwijk, Gerald Sommerauer |
2004-01-20 |
| 6675888 |
Method and system for moving equipment into and through an underground well |
Hagen Schempf, Steve J. Kimminau, Johannis Josephus Den Boer, Aarnoud Frederic Bijleveld |
2004-01-13 |
| 6454011 |
Method and system for moving equipment into and through a conduit |
Hagen Schempf, Steve J. Kimminau, Hans J. J. den Boer, A. F. Bijleveld |
2002-09-24 |
| 6380476 |
Generating electric power in a wellbore |
Wilhelmus Hubertus Paulus Maria Heijnen, Robert Nicholas Worrall |
2002-04-30 |
| 6318457 |
Multilateral well and electrical transmission system |
Johannis Josephus Den Boer, Simon Lawrence Fisher, Anthony Evert Kuperij |
2001-11-20 |
| 6241028 |
Method and system for measuring data in a fluid transportation conduit |
Aarnoud Frederic Bijleveld, Steve J. Kimminau, Hans J. J. den Boer, Jerry L. Morris, Hagen Schempf |
2001-06-05 |
