Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7328106 | Method of correcting density logs for the presence of the casing | Stefan Eric Edward Calvert, James Roger Samworth | 2008-02-05 |
| 6909969 | Method of through-casing gas detection | Stefan Eric Edward Calvert, James Roger Samworth | 2005-06-21 |
| 6747270 | Method and apparatuses for logging hydrocarbon reservoirs | James Roger Samworth | 2004-06-08 |
| 6308561 | Well logging apparatus | James Roger Samworth, Charles Richard Easter, Terence Paul Mayor | 2001-10-30 |