Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612324 | Wellsite tool guide assembly and method of using same | Michael Jordan, Marcus Joseph Doran | 2020-04-07 |
| 10382236 | Method and system for calibrating equalizers | Parmanand Mishra | 2019-08-13 |
| 10270628 | Method and system for calibrating equalizers | Parmanand Mishra | 2019-04-23 |
| 9441444 | Modular subsea stripper packer and method of using same | James Allen Douty, Jeffrey Jeffrey Melancon, Douglas Avery Ware | 2016-09-13 |
| 7261155 | Cable side-entry sub with grease injection flow tubes | Ross Stevenson | 2007-08-28 |
| 6484808 | Stripper/packer | Donald L. Jones, David J. McWhorter | 2002-11-26 |
| 6334487 | Valve assembly | Courtney W. Adkins, Thurman B. Caarter, John D. Roberts, William A. Blizzard, Jr. | 2002-01-01 |
| 6116336 | Wellbore mill system | Courtney W. Adkins, Thurman B. Caarter, John D. Roberts, William A. Blizzard, Jr. | 2000-09-12 |
| 5826651 | Wellbore single trip milling | Mark H. Lee, Thurman B. Carter, William A. Blizzard, Jr. | 1998-10-27 |
| 5743331 | Wellbore milling system | Courtney W. Adkins, Thurman B. Carter, William A. Blizzard, Jr. | 1998-04-28 |
| 5007344 | Dual firing system for a perforating gun | Thomas D. Ricles | 1991-04-16 |
| 4770246 | Method and apparatus for firing borehole perforating apparatus | — | 1988-09-13 |
| 4674328 | Method and apparatus for determining subsurface conditions using a tubing packoff tool | Vernie C. McWhirter | 1987-06-23 |
| 4371038 | Apparatus and method for injecting fluid into a well | William L. Abernathy, Billy B. Bertram, Anthony D. Davis | 1983-02-01 |