Issued Patents 2011
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061444 | Methods and apparatus to form a well | Julian Pop, Francois Xavier Dubost, Soraya S. Betancourt | 2011-11-22 |
| 8058071 | Downhole spectroscopic hydrogen sulfide detection | Li Jiang, Gale Gustavson, Christopher Harrison, Bhavani Raghuraman, Ronald E. G. van Hal +5 more | 2011-11-15 |
| 8057752 | Fluid analyzer for determining fluid chemistry of formation fluid by downhole reagent injection spectral analysis | Torleif Torgersen, Bhavani Raghuraman, Edward Harrigan, Gale Gustavson, Philip Rabbito +1 more | 2011-11-15 |
| 8039791 | Downhole fluid spectroscopy | Chengli Dong, Micheal O'Keefe | 2011-10-18 |
| 8032303 | Methods and apparatus to determine a concentration of nitrogen in a downhole fluid | Go Fujisawa, Chee Kin KHONG | 2011-10-04 |
| 7996154 | Methods and apparatus for analysis of downhole asphaltene gradients and applications thereof | Youxiang Zuo, Jinglin Gao, Abdel M. Kharrat, Kentaro Indo, Michael O'Keefe +3 more | 2011-08-09 |
| 7993604 | Spectroscopic pH measurement using optimized mixtures of reagents to extend measurement range | Bhavani Raghuraman, Gale Gustavson, Emilie Dressaire, Oleg Zhdaneev, Ronald Van Hal +1 more | 2011-08-09 |
| 7959864 | Downhole spectroscopic hydrogen sulfide detection | Li Jiang, Gale Gustavson, Christopher Harrison, Bhavani Raghuraman, Ronald E. G. van Hal +5 more | 2011-06-14 |
| 7901555 | Electro-chemical sensor | Li Jiang, Timothy Gareth John Jones, Richard Guy Compton, Nathan Lawrence, Gregory George Wildgoose +2 more | 2011-03-08 |
| 7886825 | Formation fluid sampling tools and methods utilizing chemical heating | Ronald E. G. van Hal, Anthony Robert Holmes Goodwin, Peter S. Hegeman, Bhavani Raghuraman, Soraya S. Betancourt +4 more | 2011-02-15 |
| 7881869 | Method and apparatus for evaluating data associated with an offshore energy platform | Matthew Clayton, Timothy Nguyen | 2011-02-01 |