| 8518702 |
Downhole spectroscopic hydrogen sulfide detection |
Li Jiang, Oliver C. Mullins, Christopher Harrison, Bhavani Raghuraman, Ronald E. G. van Hal +5 more |
2013-08-27 |
| 8057752 |
Fluid analyzer for determining fluid chemistry of formation fluid by downhole reagent injection spectral analysis |
Torleif Torgersen, Bhavani Raghuraman, Edward Harrigan, Oliver C. Mullins, Philip Rabbito +1 more |
2011-11-15 |
| 8058071 |
Downhole spectroscopic hydrogen sulfide detection |
Li Jiang, Oliver C. Mullins, Christopher Harrison, Bhavani Raghuraman, Ronald E. G. van Hal +5 more |
2011-11-15 |
| 7993604 |
Spectroscopic pH measurement using optimized mixtures of reagents to extend measurement range |
Bhavani Raghuraman, Emilie Dressaire, Oleg Zhdaneev, Ronald Van Hal, Oliver C. Mullins +1 more |
2011-08-09 |
| 7959864 |
Downhole spectroscopic hydrogen sulfide detection |
Li Jiang, Oliver C. Mullins, Christopher Harrison, Bhavani Raghuraman, Ronald E. G. van Hal +5 more |
2011-06-14 |
| 7432109 |
Spetroscopic pH measurement using optimized mixtures of reagents to extend measurement range |
Bhavani Raghuraman, Emilie Dressaire, Oleg Zhdaneev, Ronald Van Hal, Oliver C. Mullins +1 more |
2008-10-07 |
| 7427504 |
Determining fluid chemistry of formation fluid by downhole reagent injection spectral analysis |
Torleif Torgersen, Bhavani Raghuraman, Edward Harrigan, Oliver C. Mullins, Philip Rabbito +1 more |
2008-09-23 |
| 7402424 |
Spectroscopic pH measurement at high-temperature and/or high-pressure |
Bhavani Raghuraman, Moin Muhammad, Jinglin Gao, Craig Borman, Philip Rabbito |
2008-07-22 |
| 7379819 |
Reservoir sample chain-of-custody |
Soraya S. Betancourt, Ahmed Hammami, John Nighswander, Syriac George Mathews, Bhavani Raghuraman +3 more |
2008-05-27 |
| 7339160 |
Apparatus and method for analysing downhole water chemistry |
Bhavani Raghuraman, Anthony Robert Holmes Goodwin, Oliver C. Mullins, Philip Rabbito, Li Jiang +2 more |
2008-03-04 |
| 7095676 |
Assessing a solids deposit in an oilfield pipe |
Ralph M. D'Angelo, Kenneth W. Winkler, David Johnson, Oliver C. Mullins |
2006-08-22 |