Issued Patents All Time
Showing 51–75 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9194974 | Method to predict dense hydrocarbon saturations for high pressure high temperature | Indranil Roy, Chris Wilkinson, Partha Ganguly, Richard G. Lewis, Colin Longfield | 2015-11-24 |
| 9074460 | Method of analyzing a petroleum reservoir | Andrew E. Pomerantz, Youxiang Zuo, Denise E. Freed | 2015-07-07 |
| 9029155 | Direct measurement of fluid contamination | Andrew E. Pomerantz | 2015-05-12 |
| 8996346 | Methods for characterization of petroleum fluid and application thereof | Julian Zuo, Denise E. Freed, Chengli Dong, Andrew E. Pomerantz, Vinay K. Mishra | 2015-03-31 |
| 8904859 | Detecting gas compounds for downhole fluid analysis | Jimmy Lawrence, Tim Jones, Kentaro Indo, Tsutomu Yamate, Noriyuki Matsumoto +6 more | 2014-12-09 |
| 8839858 | Drilling wells in compartmentalized reservoirs | Shahid A. Haq | 2014-09-23 |
| 8825408 | Using models for equilibrium distributions of asphaltenes in the prescence of GOR gradients to determine sampling procedures | Denise E. Freed, Kentaro Indo, John Ratulowski, Julian Zuo | 2014-09-02 |
| 8813554 | Methods and apparatus to estimate fluid component volumes | Go Fujisawa, Andrew Carnegie, Jack H. Harfoushian, Saifon Sirimongkolkitti | 2014-08-26 |
| 8805617 | Methods and apparatus for characterization of petroleum fluids contaminated with drilling mud | Youxiang Zuo, Dingan Zhang, Dong Chengli, Michael O'Keefe | 2014-08-12 |
| 8805614 | Downhole sample analysis method | A. Ballard Andrews, Oleg Zhdaneev | 2014-08-12 |
| 8786860 | Measurement of liquid fraction dropout using micropatterned surfaces | Christopher Harrison, Robert J. Schroeder, Matthew T. Sullivan, Bradley Martin, Albert Ballard Andrews | 2014-07-22 |
| 8714254 | Method for mixing fluids downhole | Christopher Harrison, Michael O'Keefe, Ronald E. G. van Hal, Jimmy Lawrence | 2014-05-06 |
| 8708049 | Downhole mixing device for mixing a first fluid with a second fluid | Jimmy Lawrence, Douglas W. Grant, Jane Lam, James Haug, Roman Kats +4 more | 2014-04-29 |
| 8555696 | Methods of calibrating a fluid analyzer for use in a wellbore | Chengli Dong, Ricardo Vasques, Michael O'Keefe, Peter S. Hegeman, Go Fujisawa +3 more | 2013-10-15 |
| 8518702 | Downhole spectroscopic hydrogen sulfide detection | Li Jiang, Gale Gustavson, Christopher Harrison, Bhavani Raghuraman, Ronald E. G. van Hal +5 more | 2013-08-27 |
| 8434356 | Fluid density from downhole optical measurements | Kai Hsu, Kentaro Indo, Peter S. Hegeman | 2013-05-07 |
| 8362429 | Method and apparatus for oil spill detection | Albert Ballard Andrews, Wei-Chuan Shih, Matthew Clayton | 2013-01-29 |
| 8283174 | 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 | 2012-10-09 |
| 8271248 | Methods and apparatus for characterization of petroleum fluids and applications thereof | Andrew E. Pomerantz, Julian Zuo, Christopher Harrison | 2012-09-18 |
| 8256283 | Method of downhole characterization of formation fluids, measurement controller for downhole characterization of formation fluids, and apparatus for downhole characterization of formation fluids | Toru Terabayashi, Tsutomu Yamate, Hideki Kinjo, Akihito Chikenji, Takeaki Nakayama +3 more | 2012-09-04 |
| 8230916 | Apparatus and methods to analyze downhole fluids using ionized fluid samples | Ernest Newton Sumrall, Anthony Robert Holmes Goodwin, Erik Quam, Chengli Dong | 2012-07-31 |
| 8165817 | Method for integrating reservoir charge modeling and downhole fluid analysis | Soraya S. Betancourt, Armin I. Kauerauf | 2012-04-24 |
| 8124931 | Method and apparatus for oil spill detection | Albert Ballard Andrews, Wei-Chuan Shih, Matthew Clayton | 2012-02-28 |
| 8120357 | Method and system for fluid characterization of a reservoir | Wicher Wichers, Chanh Cao Minh, Bei Gao, Peter Weinheber, Cosan Ayan | 2012-02-21 |
| 8061444 | Methods and apparatus to form a well | Julian Pop, Francois Xavier Dubost, Soraya S. Betancourt | 2011-11-22 |