Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5582247 | Methods of treating conditions in a borehole employing a backward whirling mass | James F. Brett, Alan P. Roberts | 1996-12-10 |
| 5515918 | Method of consolidating a slurry in a borehole | James F. Brett, Alan P. Roberts | 1996-05-14 |
| 5309405 | Methods of employing vibrational energy in a borehole | James F. Brett, Alan P. Roberts | 1994-05-03 |
| 5239267 | Method for improving the accuracy of dip determination using adjustable high pass filters | Roland E. Chemali, Shey-Min Su | 1993-08-24 |