| 12209459 |
Wellbore reaming tool having fixed mounted gouging cutters |
John James Herman |
2025-01-28 |
| 11879295 |
Gouging cutter drill bit |
John James Herman |
2024-01-23 |
| 10570664 |
Wellbore reaming tool having shear cutters and gouging cutters |
John James Herman, Kenneth M. Nevlud, Jason Kelley, Shon Carey |
2020-02-25 |
| 9951563 |
Wellbore mill having shear cutters and gouging cutters |
Timothy P. Beaton, Ryan J. C. Marley, Alex Wong, John James Herman, Kenneth M. Nevlud |
2018-04-24 |
| 9145739 |
Fixed cutter drill bit for abrasive applications |
Shelton W. Alsup, Michael G. Azar, Thomas W. Oldham, Stuart Oliver, Sidney J. Isnor |
2015-09-29 |
| 9016407 |
Drill bit cutting structure and methods to maximize depth-of-cut for weight on bit applied |
Bala Durairajan, Michael G. Azar |
2015-04-28 |
| 8833492 |
Cutters for fixed cutter bits |
Bala Durairajan |
2014-09-16 |
| 8783387 |
Cutter geometry for high ROP applications |
Bala Durairajan |
2014-07-22 |
| 8689908 |
Drill bit having enhanced stabilization features and method of use thereof |
Bala Durairajan, Rolando Descarpontriez Arteaga |
2014-04-08 |
| 8127863 |
Drill bit having enhanced stabilization features and method of use thereof |
Bala Durairajan, Rolando Descarpontriez Arteaga |
2012-03-06 |
| 8100202 |
Fixed cutter bit with backup cutter elements on secondary blades |
Bala Durairajan, Michael G. Azar, Kurt T. Bush |
2012-01-24 |
| 7798256 |
Fixed cutter drill bit for abrasive applications |
Shelton W. Alsup, Michael G. Azar, Thomas W. Oldham, Stuart Oliver, Sidney J. Isnor |
2010-09-21 |
| 7703557 |
Fixed cutter bit with backup cutter elements on primary blades |
Bala Durairajan, Charles H. S. Douglas, III, Dennis Cisneros |
2010-04-27 |
| 7621348 |
Drag bits with dropping tendencies and methods for making the same |
Michael G. Azar |
2009-11-24 |
| 7451836 |
Advanced expandable reaming tool |
David Truax, Timothy P. Beaton |
2008-11-18 |
| 7451837 |
Advanced expandable reaming tool |
David Truax, Timothy P. Beaton |
2008-11-18 |
| 6880650 |
Advanced expandable reaming tool |
David Truax, Timothy P. Beaton |
2005-04-19 |
| 6659207 |
Bi-centered drill bit having enhanced casing drill-out capability and improved directional stability |
Timothy P. Beaton |
2003-12-09 |
| 5839525 |
Directional drill bit |
Tim P. Beaton, Keith Allan Terry |
1998-11-24 |