Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8688418 | Engineered methodology for design verification and validation of ultra-deep high pressure high temperature oil and gas well control equipment | J. Robert Sims, Ravi Krishnamurthy, David B. Lewis | 2014-04-01 |
| 7195066 | Engineered solution for controlled buoyancy perforating | William T. Bell | 2007-03-27 |
| 5406983 | Corrosion-resistant composite couplings and tubular connections | Michael Roy Chambers, Sr. | 1995-04-18 |
| 5404944 | Downhole makeup tool for threaded tubulars | Gerald D. Lynde, Ralph D. Wright, Patrick R. Brand | 1995-04-11 |
| 5287928 | Apparatus and method for repairing a gravel-packed well completion | John Healy | 1994-02-22 |
| 4735268 | Mechanical setting tool | Monty E. Harris | 1988-04-05 |
| 4708202 | Drillable well-fluid flow control tool | Monty E. Harris | 1987-11-24 |
| 4706933 | Oil and gas well safety valve | Joseph Shoaf | 1987-11-17 |
| 4679624 | Hydraulic setting tool | Monty E. Harris | 1987-07-14 |