Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11466704 | Jet pump system with optimized pump driver and method of using same | — | 2022-10-11 |
| 8293805 | Tracking feedstock production with micro scale gas-to-liquid units | Moinuddin Khan, Stephen C. Leviness, Keith Massie, John Nighswander | 2012-10-23 |
| 7933018 | Spectral imaging for downhole fluid characterization | Stephane Vannuffelen, Ahmed Hammami, Toru Terabayashi, Tsutomu Yamate, Terry Sopkow +6 more | 2011-04-26 |
| 7461547 | Methods and apparatus of downhole fluid analysis | Toru Terabayashi, Akihito Chikenji, Tsutomu Yamate, Oliver C. Mullins, Hani Elshahawi | 2008-12-09 |
| 7458252 | Fluid analysis method and apparatus | Darcy Freemark, Craig Borman, Ahmed Hammami, Moin Muhammed, Scott Jacobs +5 more | 2008-12-02 |
| 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 |
| 7243536 | Formation fluid sampling apparatus and method | Victor M. Bolze, Jonathan W. Brown, Timothy L. Long, Angus J. Melbourne, Linward A. Moore +1 more | 2007-07-17 |
| 7222671 | Apparatus and method for formation evaluation | Derek Caudwell, Anthony Robert Holmes Goodwin, Martin Trusler, Michael W. Frels, Kai Hsu +3 more | 2007-05-29 |
| 7062958 | Receptacle for sampling downhole | Igor Igorevitch Diakonov, Anthony Robert Holmes Goodwin, Jonathan W. Brown, John Nighswander | 2006-06-20 |
| 7062959 | Method and apparatus for determining downhole pressures during a drilling operation | Jean-Marc Follini, Patrick Fisseler, Thomas W. Palmer, Alexander F. Zazovsky | 2006-06-20 |
| 7028773 | Assessing downhole WBM-contaminated connate water | Go Fujisawa, Oliver C. Mullins, Chengli Dong | 2006-04-18 |
| 7025138 | Method and apparatus for hydrogen sulfide monitoring | Dexter Myles Mootoo, Wes C. Wofford, Xu Wu, Timothy Gareth John Jones, Russell D. Kane | 2006-04-11 |
| 7002142 | Determining dew precipitation and onset pressure in oilfield retrograde condensate | Oliver C. Mullins, Go Fujisawa, Chengli Dong, John Nighswander, Toru Terabayashi +3 more | 2006-02-21 |
| 6992768 | Optical fluid analysis signal refinement | Chengli Dong, Peter S. Hegeman, Oliver C. Mullins, Kai Hsu, Andrew Carnegie | 2006-01-31 |
| 6956204 | Determining fluid properties from fluid analyzer | Chengli Dong, Peter S. Hageman, Oliver C. Mullins, Go Fujisawa, Soraya S. Betancourt +3 more | 2005-10-18 |
| 6843117 | Method and apparatus for determining downhole pressures during a drilling operation | Anthony Collins, Angus J. Melbourne | 2005-01-18 |
| 6769296 | Apparatus and method for measuring formation pressure using a nozzle | Laura A. Montalvo, Robert W. Sundquist | 2004-08-03 |
| 6688390 | Formation fluid sampling apparatus and method | Victor M. Bolze, Jonathan W. Brown, Timothy L. Long, Angus J. Melbourne, Linward A. Moore +1 more | 2004-02-10 |
| 6659177 | Reduced contamination sampling | Victor M. Bolze, Jonathan W. Brown | 2003-12-09 |
| 6655458 | Formation testing instrument having extensible housing | John B. Elmer, William Brian Underhill | 2003-12-02 |
| 6474152 | Methods and apparatus for optically measuring fluid compressibility downhole | Oliver C. Mullins, Robin McGowan, Thomas L. DiStefano, III, Ian Traboulay | 2002-11-05 |
| 6164126 | Earth formation pressure measurement with penetrating probe | Reinhart Ciglenec | 2000-12-26 |
| 6092416 | Downholed system and method for determining formation properties | Frank R. Halford, Walter R. Benson, Clive Eckersley | 2000-07-25 |
| 5692565 | Apparatus and method for sampling an earth formation through a cased borehole | Thomas D. MacDougall, Miles Jaroska, Aaron Flores, Duane LaDue | 1997-12-02 |
| 5058078 | Method and apparatus for determining compressional first arrival times from waveform threshold crossing provided by apparatus disposed in a sonic well tool | Kevin Eyl, David Lineman, Edward Alan Pierce, Joseph M. Steiner, Jr. | 1991-10-15 |