Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10445841 | Systems and methods for earth-boring rotary drill bit selection | John M. Meerdo, Scott F. Donald, Danielle V. Roberts, Chaitanya K. Vempati | 2019-10-15 |
| 10087683 | Expandable apparatus and related methods | Kelly D. Ireland, Anurag Gautam, Steven R. Radford | 2018-10-02 |
| 9611697 | Expandable apparatus and related methods | Steven R. Radford, Anurag Gautam | 2017-04-04 |
| 8887839 | Drill bit for use in drilling subterranean formations | Chaitanya K. Vempati, Jack T. Oldham, Edwin R Reek, Danielle M. Fuselier, Suresh G. Patel | 2014-11-18 |
| 8813871 | Expandable apparatus and related methods | Steven R. Radford, Anurag Gautam | 2014-08-26 |
| 8297380 | Casing and liner drilling shoes having integrated operational components, and related methods | Jack T. Oldham, L. Allen Sinor, Eric E. McClain, Evan C. Turner, Mark W. Dykstra +1 more | 2012-10-30 |
| 8225887 | Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methods | Jack T. Oldham, L. Allen Sinor, Eric E. McClain, Evan C. Turner, Mark W. Dykstra +1 more | 2012-07-24 |
| 8225888 | Casing shoes having drillable and non-drillable cutting elements in different regions and related methods | Jack T. Oldham, L. Allen Sinor, Eric E. McClain, Evan C. Turner, Mark W. Dykstra +1 more | 2012-07-24 |
| 8205693 | Casing and liner drilling shoes having selected profile geometries, and related methods | Jack T. Oldham, L. Allen Sinor, Eric E. McClain, Evan C. Turner, Mark W. Dykstra +1 more | 2012-06-26 |
| 8167059 | Casing and liner drilling shoes having spiral blade configurations, and related methods | Jack T. Oldham, L. Allen Sinor, Eric E. McClain, Evan C. Turner, Mark W. Dykstra +1 more | 2012-05-01 |
| 8006785 | Casing and liner drilling bits and reamers | Jack T. Oldham, L. Allen Sinor, Eric E. McClain, Evan C. Turner, Mark W. Dykstra +1 more | 2011-08-30 |
| 7549485 | Expandable reamer apparatus for enlarging subterranean boreholes and methods of use | Steven R. Radford, Kelly D. Ireland, Daryl L. Pritchard, James L. Overstreet, Greg W. Presley +3 more | 2009-06-23 |
| 7395882 | Casing and liner drilling bits | Jack T. Oldham, L. Allen Sinor, Eric E. McClain, Evan C. Turner, Mark W. Dykstra +1 more | 2008-07-08 |
| 7308937 | Expandable reamer apparatus for enlarging boreholes while drilling and methods of use | Steven R. Radford, Kelly D. Ireland, Anurag Gautam, Matthew Mumma, Daryl L. Pritchard | 2007-12-18 |
| 7178609 | Window mill and drill bit | Daniel R. Hart, Calvin J. Stowe, II, Trung Huynh, Roy Swanson, Rustom K. Mody +3 more | 2007-02-20 |
| 7036611 | Expandable reamer apparatus for enlarging boreholes while drilling and methods of use | Steven R. Radford, Kelly D. Ireland, Anurag Gautam, Matthew Mumma, Daryl L. Pritchard | 2006-05-02 |
| 6739416 | Enhanced offset stabilization for eccentric reamers | W. Gregory Presley, Christopher S. Charles, D. Jay Clinkscales, Jeffrey B. Lund, Matthew J. Meiners +2 more | 2004-05-25 |
| 6695080 | Reaming apparatus and method with enhanced structural protection | W. Gregory Presley, Christopher S. Charles, Steven R. Radford, Matthew J. Meiners, Mark E. Morris +3 more | 2004-02-24 |