Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9638681 | Real-time compositional analysis of hydrocarbon based fluid samples | Oleg Zhdaneev, Youxiang Zuo, Dingan Zhang, William H. Steinecker, Gordon R. Lambertus +1 more | 2017-05-02 |
| 9618446 | Fluidic speed of sound measurement using photoacoustics | Andrew J. Speck, Andrew E. Pomerantz, Oliver C. Mullins | 2017-04-11 |
| 9568409 | Vibrating wire viscometers | Matthew T. Sullivan, Jacques Jundt | 2017-02-14 |
| 9568459 | Method and system for determining asphaltene onset pressure using a using depressurization and pressurization | Matthew T. Sullivan, Shunsuke Fukagawa, Elizabeth Smythe, John Meier | 2017-02-14 |
| 9551668 | Microplasma for downhole compositional analysis | Neil William Bostrom, Bradley C. Kaanta | 2017-01-24 |
| 9410936 | Methods and apparatus for characterization of petroleum fluid employing analysis of high molecular weight components | Youxiang Zuo, Denise E. Freed, Oliver C. Mullins, Mary Jane Tsang Mui Ching, Huang Zeng | 2016-08-09 |
| 9341059 | Microfluidic oscillating tube densitometer for downhole applications | Chloe Coleou, Bill Grant, Jacques Jundt | 2016-05-17 |
| 9249661 | Apparatus and methods for determining commingling compatibility of fluids from different formation zones | Farshid Mostowfi, Matthew T. Sullivan, Elizabeth Smythe, Abdel M. Kharrat | 2016-02-02 |
| 9051821 | Microfluidic methods and apparatus to perform in situ chemical detection | Wei-Heong Tan, Tsutomu Yamate | 2015-06-09 |
| 8915123 | Methods and apparatus for determining a viscosity of oil in a mixture | Andreas Hausot, Matthew T. Sullivan, Sophie Nazik Godefroy | 2014-12-23 |
| 8910514 | Systems and methods of determining fluid properties | Matthew T. Sullivan, Robert J. Schroeder, Ahmad Latifzai, Elizabeth Smythe, Shunsuke Fukagawa +1 more | 2014-12-16 |
| 8786860 | Measurement of liquid fraction dropout using micropatterned surfaces | Robert J. Schroeder, Matthew T. Sullivan, Bradley Martin, Albert Ballard Andrews, Oliver C. Mullins | 2014-07-22 |
| 8714254 | Method for mixing fluids downhole | Michael O'Keefe, Ronald E. G. van Hal, Jimmy Lawrence, Oliver C. Mullins | 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 |
| 8586913 | Fluidic density measurements based on beta particles detection | Zilu Zhou, Bradley A. Roscoe, Chloe Coleou, Douglas W. Grant | 2013-11-19 |
| 8518702 | Downhole spectroscopic hydrogen sulfide detection | Li Jiang, Oliver C. Mullins, Gale Gustavson, Bhavani Raghuraman, Ronald E. G. van Hal +5 more | 2013-08-27 |
| 8484003 | Methods, apparatus and articles of manufacture to process measurements of wires vibrating in fluids | Kai Hsu, Matthew T. Sullivan, Michael Stangeland, Anthony Smits, Anthony Robert Holmes Goodwin | 2013-07-09 |
| 8271248 | Methods and apparatus for characterization of petroleum fluids and applications thereof | Andrew E. Pomerantz, Julian Zuo, Oliver C. Mullins | 2012-09-18 |
| 8262909 | Methods and devices for minimizing membrane fouling for microfluidic separators | Dan Angelescu, Philippe Salamitou, Joyce Wong, Bhavani Raghuraman, Brian Clark +3 more | 2012-09-11 |
| 8166812 | Vibrating wire viscometers | Emmanuel Desroques, Sophie Nazik Godefroy, Anthony Robert Holmes Goodwin, Kai Hsu, Noriyuki Matsumoto | 2012-05-01 |
| 8058071 | Downhole spectroscopic hydrogen sulfide detection | Li Jiang, Oliver C. Mullins, Gale Gustavson, Bhavani Raghuraman, Ronald E. G. van Hal +5 more | 2011-11-15 |
| 7959864 | Downhole spectroscopic hydrogen sulfide detection | Li Jiang, Oliver C. Mullins, Gale Gustavson, Bhavani Raghuraman, Ronald E. G. van Hal +5 more | 2011-06-14 |
| 7784330 | Viscosity measurement | Dan Angelescu, Hua Chen, Matthew T. Sullivan, Jacques Jundt | 2010-08-31 |
| 7673679 | Protective barriers for small devices | Oliver C. Mullins, Olivier Vancauwenberghe, Eric Donzier, Akihito Chikenji, Anthony Robert Holmes Goodwin +1 more | 2010-03-09 |
| 7644611 | Downhole fluid analysis for production logging | Akira Kamiya, Gary Oddie, Stephane Vannuffelen, Tsutomu Yamate, Oliver C. Mullins +8 more | 2010-01-12 |