Issued Patents All Time
Showing 26–50 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7899658 | Method for evaluating and improving drilling operations | Stuart Oliver, Luis C. Paez, Halle Aslaksen | 2011-03-01 |
| 7844426 | Methods for designing fixed cutter bits and bits made using such methods | — | 2010-11-30 |
| 7831419 | PDC drill bit with cutter design optimized with dynamic centerline analysis having an angular separation in imbalance forces of 180 degrees for maximum time | Peter Thomas Cariveau, Bala Durairajan | 2010-11-09 |
| 7693695 | Methods for modeling, displaying, designing, and optimizing fixed cutter bits | Peter Thomas Cariveau | 2010-04-06 |
| 7571083 | Method of designing a drill bit, and bits made using said method | Amardeep Singh, Scott D. McDonough | 2009-08-04 |
| 7464013 | Dynamically balanced cutting tool system | Stuart Oliver, Graham Mensa-Wilmot | 2008-12-09 |
| 7441612 | PDC drill bit using optimized side rake angle | Bala Durairajan, Peter Thomas Cariveau | 2008-10-28 |
| 7426459 | Methods for designing single cone bits and bits made using the methods | — | 2008-09-16 |
| 7356450 | Methods for designing roller cone bits by tensile and compressive stresses | — | 2008-04-08 |
| 7341119 | Hydro-lifter rock bit with PDC inserts | Amardeep Singh, Quan Nguyen | 2008-03-11 |
| 7308957 | Fixed-head bit with stabilizing features | Peter Thomas Cariveau, Bala Durairajan | 2007-12-18 |
| 7302374 | Method of designing a drill bit, and bits made using said method | Amardeep Singh, Scott D. McDonough | 2007-11-27 |
| 7260514 | Bending moment | — | 2007-08-21 |
| 7251590 | Dynamic vibrational control | Stuart Oliver, Graham Stronach | 2007-07-31 |
| 7139689 | Simulating the dynamic response of a drilling tool assembly and its application to drilling tool assembly design optimization and drilling performance optimization | — | 2006-11-21 |
| 7059430 | Hydro-lifter rock bit with PDC inserts | Amardeep Singh, Quan Nguyen | 2006-06-13 |
| 7020597 | Methods for evaluating and improving drilling operations | Stuart Oliver, Luis C. Paez, Halle Aslaksen | 2006-03-28 |
| 6873947 | Method for simulating drilling of roller cone bits and its application to roller cone bit design and performance | Chris Cawthrone | 2005-03-29 |
| 6856949 | Wear compensated roller cone drill bits | Amardeep Singh | 2005-02-15 |
| 6827161 | Roller cone drill bit having non-axisymmetric cutting elements oriented to optimize drilling performance | Amardeep Singh, Scott D. McDonough | 2004-12-07 |
| 6785641 | Simulating the dynamic response of a drilling tool assembly and its application to drilling tool assembly design optimization and drilling performance optimization | — | 2004-08-31 |
| 6688410 | Hydro-lifter rock bit with PDC inserts | Amardeep Singh, Quan Nguyen | 2004-02-10 |
| 6651757 | Toughness optimized insert for rock and hammer bits | Dan Belnap, Nathan R. Anderson, Michael A. Siracki | 2003-11-25 |
| 6637527 | Cutting structure for roller cone drill bits | Amardeep Singh | 2003-10-28 |
| 6619411 | Design of wear compensated roller cone drill bits | Amardeep Singh | 2003-09-16 |