Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6009947 | Casing conveyed perforator | Dennis R. Wilson, Malak E. Yunan, Wilber R. Moyer | 2000-01-04 |
| 5850880 | Composition and method to control cement slurry loss and viscosity | Landreth L. Moran | 1998-12-22 |
| 5728210 | Composition and method to control cement slurry loss and viscosity | Landreth L. Moran | 1998-03-17 |
| 5505260 | Method and apparatus for wellbore sand control | Eric E. Andersen, Richard M. Hodge, Nobuo Morita | 1996-04-09 |
| 5379838 | Apparatus for centralizing pipe in a wellbore | Dennis R. Wilson, Wilber R. Moyer | 1995-01-10 |
| 5346016 | Apparatus and method for centralizing pipe in a wellbore | Dennis R. Wilson, Jack H. Cole, Wilber R. Moyer | 1994-09-13 |
| 5228518 | Downhole activated process and apparatus for centralizing pipe in a wellbore | Dennis R. Wilson | 1993-07-20 |
| 5009269 | Well cement fluid loss additive and method | Thomas Murray | 1991-04-23 |
| 4905763 | Method for servicing offshore well | Carl W. Sauer, Michael P. Stockinger | 1990-03-06 |