| 9574938 |
Sampling tool with dual flowline architecture |
Alexander F. Zazovsky, Mark Milkovisch |
2017-02-21 |
| 8925379 |
Downhole sensor systems and methods thereof |
Tsutomu Yamate, Ricardo Vasques, Kazumasa Kanayama, Yuji Hosoda, Stephane Briquet |
2015-01-06 |
| 8534115 |
Systems and methods of determining parameter values in a downhole environment |
Kozue Tomiyama, Hideyuki Kamei, Takenori Motoki, Tetsuya Tanaka, Martine Hori |
2013-09-17 |
| 8528396 |
Phase separation detection in downhole fluid sampling |
Xu Wu, Tsutomu Yamate, Ricardo Vasques, Chengli Dong, Peter S. Hegeman |
2013-09-10 |
| 8397561 |
Downhole sensor systems and methods thereof |
Tsutomu Yamate, Ricardo Vasques, Kazumasa Kanayama, Yuji Hosoda, Stephane Briquet |
2013-03-19 |
| 8256283 |
Method of downhole characterization of formation fluids, measurement controller for downhole characterization of formation fluids, and apparatus for downhole characterization of formation fluids |
Tsutomu Yamate, Hideki Kinjo, Akihito Chikenji, Takeaki Nakayama, Oliver C. Mullins +3 more |
2012-09-04 |
| 8156800 |
Methods and apparatus to evaluate subterranean formations |
Emmanuel Desroques, Satoru Umemoto, Anthony Smits, Hidenori TSUBOI |
2012-04-17 |
| 7933018 |
Spectral imaging for downhole fluid characterization |
Stephane Vannuffelen, Ahmed Hammami, Tsutomu Yamate, Terry Sopkow, John Ratulowski +6 more |
2011-04-26 |
| 7788972 |
Method of downhole characterization of formation fluids, measurement controller for downhole characterization of formation fluids, and apparatus for downhole characterization of formation fluids |
Tsutomu Yamate, Hideki Kinjo, Akihito Chikenji, Takeaki Nakayama, Oliver C. Mullins +3 more |
2010-09-07 |
| 7687769 |
Methods and apparatus for multi dimension fluorescence spectrum measurement and correlations downhole |
Kentaro Indo, Albert Ballard Andrews, Stephane Vannuffelen, Tsutomu Yamate, Hideki Kinjo +1 more |
2010-03-30 |
| 7687770 |
Methods and apparatus for multi dimension fluorescence spectrum measurement downhole |
Kentaro Indo, Albert Ballard Andrews, Stephane Vannuffelen, Tsutomu Yamate, Hideki Kinjo +1 more |
2010-03-30 |
| 7609380 |
Real-time calibration for downhole spectrometer |
Stephane Vannuffelen, Takeaki Nakayama, Tsutomu Yamate, Akira Otsuka, Kentaro Indo |
2009-10-27 |
| 7511813 |
Downhole spectral analysis tool |
Stephane Vannuffelen, Kentaro Indo, Tsutomu Yamate |
2009-03-31 |
| 7461547 |
Methods and apparatus of downhole fluid analysis |
Akihito Chikenji, Tsutomu Yamate, Oliver C. Mullins, Andrew Kurkjian, Hani Elshahawi |
2008-12-09 |
| 7392697 |
Apparatus for downhole fluids analysis utilizing micro electro mechanical system (MEMS) or other sensors |
Akihito Chikenji, Veronique Nouaze, Tsutomu Yamate, Tsutomu Sugimoto |
2008-07-01 |
| 7336356 |
Method and apparatus for downhole spectral analysis of fluids |
Stephane Vannuffelen, Kentaro Indo, Go Fujisawa, Tsutomu Yamate |
2008-02-26 |
| 7095012 |
Methods and apparatus for determining chemical composition of reservoir fluids |
Go Fujisawa, Oliver C. Mullins, Fredrick A. Jenet, Maria A. Van Agthoven, Philip Rabbito |
2006-08-22 |
| 7002142 |
Determining dew precipitation and onset pressure in oilfield retrograde condensate |
Oliver C. Mullins, Go Fujisawa, Chengli Dong, Andrew Kurkjian, John Nighswander +3 more |
2006-02-21 |
| 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 |
| 6768105 |
Methods and apparatus for downhole fluids analysis |
Oliver C. Mullins, Kazuyoshi Kegasawa, Ikko Okuda |
2004-07-27 |
| 6476384 |
Methods and apparatus for downhole fluids analysis |
Oliver C. Mullins, Kazuyoshi Kegasawa, Ikko Okuda |
2002-11-05 |
| 6465775 |
Method of detecting carbon dioxide in a downhole environment |
Oliver C. Mullins, Philip Rabbito, Lawrence E. McGowan, Kazuyoshi Kegasawa |
2002-10-15 |
