Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291006 | Downhole tool retainer and guide ring and methods of fabricating the same | Ross Bassinger, Grey Bassinger | 2016-03-22 |
| 9085703 | Anti-balling coating on drill bits and downhole tools | Vamsee Chintamaneni | 2015-07-21 |
| 9086348 | Downhole acoustic emission formation sampling | Gary M. Thigpen, Federico Bellin, Alfazazi Dourfaye | 2015-07-21 |
| 9062502 | PDC disc cutters and rotary drill bits utilizing PDC disc cutters | — | 2015-06-23 |
| 8949098 | Iterative drilling simulation process for enhanced economic decision making | — | 2015-02-03 |
| 8858871 | Process for the production of a thermally stable polycrystalline diamond compact | Alfazazi Dourfaye | 2014-10-14 |
| 8662209 | Backfilled polycrystalline diamond cutter with high thermal conductivity | Alfazazi Dourfaye, Michael R. Reese | 2014-03-04 |
| 8561729 | Casing bit and casing reamer designs | Michael R. Reese, Steven W. Drews, Ian Kirk | 2013-10-22 |
| 8365846 | Polycrystalline diamond cutter with high thermal conductivity | Alfazazi Dourfaye, Michael R. Reese | 2013-02-05 |
| 8327944 | Whipstock attachment to a fixed cutter drilling or milling bit | Michael R. Reese, Steven W. Drews | 2012-12-11 |
| 8210288 | Rotary drill bits with protected cutting elements and methods | Shilin Chen | 2012-07-03 |
| 8162081 | Force balanced asymmetric drilling reamer and methods for force balancing | Brian D. Ballard | 2012-04-24 |
| 7484572 | Roller cone drill bit with debris flow paths through associated support arms | Mark P. Blackman, Mark E. Williams, William C. Saxman, Michael B. Crawford, Gerald L. Pruitt +1 more | 2009-02-03 |
| 7357196 | Method and system for predicting performance of a drilling system for a given formation | William A. Goldman, Oliver Matthews, Gary E. Weaver, Gerald L. Pruitt | 2008-04-15 |
| 7261167 | Method and system for predicting performance of a drilling system for a given formation | William A. Goldman, Oliver Matthews, Gary E. Weaver, Gerald L. Pruitt | 2007-08-28 |
| 7085696 | Iterative drilling simulation process for enhanced economic decision making | — | 2006-08-01 |
| 7032689 | Method and system for predicting performance of a drilling system of a given formation | William A. Goldman, Oliver Matthews, Gary E. Weaver, Gerald L. Pruitt | 2006-04-25 |
| 6612382 | Iterative drilling simulation process for enhanced economic decision making | — | 2003-09-02 |
| 6536192 | Drill bit packages and methods | William C. Saxman, Jeffery Peck, James Dahlem, Karl Knecht, Lee Morgan Smith +3 more | 2003-03-25 |
| 6408953 | Method and system for predicting performance of a drilling system for a given formation | William A. Goldman, Oliver Matthews, Gary E. Weaver, Gerald L. Pruitt | 2002-06-25 |
| 6109368 | Method and system for predicting performance of a drilling system for a given formation | William A. Goldman, Lee Morgan Smith, Oliver Mathews, Kambiz Arab, Kelley M. Murrell +1 more | 2000-08-29 |
| 5099929 | Unbalanced PDC drill bit with right hand walk tendencies, and method of drilling right hand bore holes | Carl W. Keith, Robert I. Clayton | 1992-03-31 |
| 5033560 | Drill bit with decreasing diameter cutters | George S. Sawyer | 1991-07-23 |
| 4941538 | One-piece drill bit with improved gage design | — | 1990-07-17 |
| 4753340 | Device for storing and carrying medicine and other items | Jerry Blakeman, Donald H. Caldwell | 1988-06-28 |