Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7328106 | Method of correcting density logs for the presence of the casing | Charles Alexander Pereira, James Roger Samworth | 2008-02-05 |
| 6909969 | Method of through-casing gas detection | Charles Alexander Pereira, James Roger Samworth | 2005-06-21 |