Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8060311 | Job monitoring methods and apparatus for logging-while-drilling equipment | Sylvain Ramshaw, Julian Pop, Peter Swinburne, Steven G. Villareal | 2011-11-15 |
| 8024125 | Methods and apparatus to monitor contamination levels in a formation fluid | Peter S. Hegeman, Chengli Dong, Ricardo Vasques | 2011-09-20 |
| 7913556 | Methods and apparatus to determine the compressibility of a fluid | Peter S. Hegeman | 2011-03-29 |
| 7878243 | Method and apparatus for sampling high viscosity formation fluids | Anthony Robert Holmes Goodwin, Peter S. Hegeman, Julian Pop, Ashley C. Kishino, Gary John Tustin +3 more | 2011-02-01 |