Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9932811 | Method and system for damping vibrations in a tool string system | Sicco Dwars, Ivo Petrus Jozef Maria Stulemeijer | 2018-04-03 |
| 9074436 | Methods for installing sensors in a borehole | Robert Nicholas Worrall | 2015-07-07 |
| 8668031 | Drill bit and method for inserting, expanding, collapsing, and retrieving drill bit | — | 2014-03-11 |
| 8439131 | Drill bit assembly and method of performing an operation in a wellbore | — | 2013-05-14 |
| 7296639 | Wellstring assembly | Ian Millar, Paul Neilson Wood | 2007-11-20 |
| 7287609 | Drilling a borehole | Eugene Murphy | 2007-10-30 |
| 7281592 | Injecting a fluid into a borehole ahead of the bit | David George Livesey Smith, Robert Nicholas Worrall | 2007-10-16 |
| 7207398 | Steerable rotary drill bit assembly with pilot bit | David George Livesey Smith, Robert Nicholas Worrall | 2007-04-24 |
| 7188672 | Well string assembly | Earl Eugene Berkheimer | 2007-03-13 |
| 7140454 | Well drilling bit | — | 2006-11-28 |
| 7134493 | Logging system for use in a wellbore | — | 2006-11-14 |
| 7059410 | Method and system for reducing longitudinal fluid flow around a permeable well | Olaf Jean Paul Bousché | 2006-06-13 |
| 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 |
| 6269891 | Through-drill string conveyed logging system | — | 2001-08-07 |
| 6181132 | NMR logging assembly | — | 2001-01-30 |
| 6119777 | Logging method | — | 2000-09-19 |