Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10696893 | Perforation balls and methods of using the same | Kelvin T. Okamoto, Dwight Smith | 2020-06-30 |
| 6500252 | High strength foamed well cement compositions and methods | Jiten Chatterji, Bobby J. King, Frank Zamora, Clyde R. Anderson, Roger S. Cromwell | 2002-12-31 |
| 6220354 | High strength foamed well cement compositions and methods | Jiten Chatterji, Bobby J. King, Frank Zamora, Clyde R. Anderson, Roger S. Cromwell | 2001-04-24 |
| 5868030 | Core sample test method and apparatus | John Brumley, David L. Meadows | 1999-02-09 |
| 5869750 | Method, system and device for testing two-phase compressible compositions having gas under pressure | David D. Onan, John Brumley, Norman A. Sayers | 1999-02-09 |