Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013601 | Methods for determining in situ the viscosity of heavy oil using nuclear magnetic resonance relaxation time measurements | Yuesheng Cheng | 2011-09-06 |
| 7996154 | Methods and apparatus for analysis of downhole asphaltene gradients and applications thereof | Youxiang Zuo, Oliver C. Mullins, Jinglin Gao, Kentaro Indo, Michael O'Keefe +3 more | 2011-08-09 |
| 7965078 | Methods for determining in situ the viscosity of heavy oil | Yuesheng Cheng | 2011-06-21 |