Issued Patents All Time
Showing 25 most recent of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428961 | Terminal modules for downhole formation testing tools | Miroslav Slapal, Christopher Albert Babin, Daniel Palmer, Kai Hsu, Julian Pop +2 more | 2025-09-30 |
| 12076751 | Pneumatic conveying system for separating bulk product | Matheus Johannes Lucas | 2024-09-03 |
| 11732581 | Terminal modules for downhole formation testing tools | Miroslav Slapal, Christopher Albert Babin, Daniel Palmer, Kai Hsu, Julian Pop +2 more | 2023-08-22 |
| 11125081 | Terminal modules for downhole formation testing tools | Miroslav Slapal, Christopher Albert Babin, Daniel Palmer, Kai Hsu, Julian Pop +2 more | 2021-09-21 |
| 10941655 | Downhole filtrate contamination monitoring with corrected resistivity or conductivity | Adriaan Gisolf, Lei Jiang, Youxiang Zuo | 2021-03-09 |
| 10689980 | Downhole characterization of fluid compressibility | Kai Hsu, Hadrien Dumont, Kentaro Indo, Julian Pop | 2020-06-23 |
| 9435200 | Determination of thermodynamic properties of a fluid based on density and sound speed | — | 2016-09-06 |
| 9422807 | Acoustic determination of the position of a piston with buffer rods | Jason Milne | 2016-08-23 |
| 9341169 | Acoustic determination of piston position in a modular dynamics tester displacement pump and methods to provide estimates of fluid flow rate | Audrey Apoteker, Sylvain Bedouet, Frederic Jacqueme | 2016-05-17 |
| 9260963 | Acoustic determination of the position of a piston within a sample bottle | Thomas J. Meyer | 2016-02-16 |
| 9200512 | Formation fluid evaluation | — | 2015-12-01 |
| 8899324 | Methods and apparatus to sample heavy oil in a subterranean formation | Alexander F. Zazovsky, Jacques R. Tabanou, Kambiz A. Safinya | 2014-12-02 |
| 8555969 | Methods and apparatus to change the mobility of formation fluids using thermal and non-thermal stimulation | Tim Jones, Keith Massie, John Nighswander, Gary John Tustin | 2013-10-15 |
| 8496054 | Methods and apparatus to sample heavy oil in a subterranean formation | Alexander F. Zazovsky, Jacques R. Tabanou, Kambiz A. Safinya | 2013-07-30 |
| 8484003 | Methods, apparatus and articles of manufacture to process measurements of wires vibrating in fluids | Kai Hsu, Christopher Harrison, Matthew T. Sullivan, Michael Stangeland, Anthony Smits | 2013-07-09 |
| 8453732 | Apparatus to sample heavy oil from a subterranean formation | Carsten Sonne, Peter S. Hegeman | 2013-06-04 |
| 8439110 | Single packer system for use in heavy oil environments | Pierre-Yves Corre, Stephen Yeldell, Carsten Sonne, Stephane Briquet, Alexander F. Zazovsky | 2013-05-14 |
| 8283174 | Formation fluid sampling tools and methods utilizing chemical heating | Ronald E. G. van Hal, Oliver C. Mullins, Peter S. Hegeman, Bhavani Raghuraman, Soraya S. Betancourt +4 more | 2012-10-09 |
| 8240378 | Downhole characterization of formation fluid as a function of temperature | Carsten Sonne | 2012-08-14 |
| 8230916 | Apparatus and methods to analyze downhole fluids using ionized fluid samples | Ernest Newton Sumrall, Erik Quam, Chengli Dong, Oliver C. Mullins | 2012-07-31 |
| 8191416 | Instrumented formation tester for injecting and monitoring of fluids | Fikri John Kuchuk, Terizhandur S. Ramakrishnan, Tarek M. Habashy, Ian Falconer, Saygi Gokhan +3 more | 2012-06-05 |
| 8166812 | Vibrating wire viscometers | Emmanuel Desroques, Sophie Nazik Godefroy, Christopher Harrison, Kai Hsu, Noriyuki Matsumoto | 2012-05-01 |
| 8162052 | Formation tester with low flowline volume and method of use thereof | Julian Pop, Stephane Briquet, Ricardo Vasques, Alexander F. Zazovsky | 2012-04-24 |
| 8109334 | Sampling and evaluation of subterranean formation fluid | — | 2012-02-07 |
| 8016038 | Method and apparatus to facilitate formation sampling | Julian Pop, Stephen Yeldell, Jason Hueber, Pierre-Yves Corre, Stephane Briquet +2 more | 2011-09-13 |