Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123863 | Processes and systems for determining if downhole fluids are in equilibrium or non-equilibrium | Melanie Jensen, Lalitha Venkataramanan, Sandip Bose, Peter Tilke, Oliver C. Mullins +1 more | 2024-10-22 |
| 12025765 | Method for saturation evaluation of graphitic kerogen bearing formations | Dean Homan, Natalie Uschner-Arroyo, Chang-Yu Hou, John Rasmus | 2024-07-02 |
| 10732314 | Estimation of petrophysical and fluid properties using integral transforms in nuclear magnetic resonance | Lalitha Venkataramanan, Tarek M. Habashy, Fred K. Gruber | 2020-08-04 |
| 10605951 | Method of determining CEC and other properties from multi-frequency dielectric measurements | Nikita Seleznev, Chang-Yu Hou | 2020-03-31 |
| 10557809 | Modified pulse sequence to estimate properties | Lalitha Venkataramanan, Tarek M. Habashy | 2020-02-11 |
| 10534871 | Method and systems for reservoir modeling, evaluation and simulation | Andrew E. Pomerantz, Youxiang Zuo, John Waggoner, Zulfiquar Ail Reza, Sophie Nazik Godefroy +2 more | 2020-01-14 |
| 10451763 | Evaluation of formation utilizing wideband electromagnetic measurements | Nikita Seleznev, Chang-Yu Hou, Ridvan Akkurt | 2019-10-22 |
| 10345481 | Asphaltene gradient modeling methods | Oliver C. Mullins, Youxiang Zuo | 2019-07-09 |
| 10041893 | Methods and systems for identifying hydrocarbon fluid transition characteristics using nuclear magnetic resonance | Marcus Hofheins Donaldson, Martin Hurlimann, Yi-Qiao Song, Lalitha Venkataramanan | 2018-08-07 |
| 9733383 | Methods for compositional analysis of downhole fluids using data from NMR and other tools | Lalitha Venkataramanan | 2017-08-15 |
| 9715033 | Methods for compositional analysis of downhole fluids using data from NMR and other tools | Yi-Qiao Song, Lalitha Venkataramanan, Lukasz Zielinski, Nicholas Bennett, Martin Hurlimann | 2017-07-25 |
| 9703003 | Methods for compositional analysis of downhole fluids using data from NMR and other tools | Nicholas N. Bennett, Yi Zeng, Lalitha Venkataramanan, Martin Hurlimann | 2017-07-11 |
| 9671516 | Modified pulse sequence to estimate properties | Lalitha Venkataramanan, Tarek M. Habashy | 2017-06-06 |
| 9410936 | Methods and apparatus for characterization of petroleum fluid employing analysis of high molecular weight components | Youxiang Zuo, Oliver C. Mullins, Christopher Harrison, Mary Jane Tsang Mui Ching, Huang Zeng | 2016-08-09 |
| 9255475 | Methods for characterizing asphaltene instability in reservoir fluids | Youxiang Zuo, Oliver C. Mullins, Chengil Dong, Andrew E. Pomerantz, Eric Lehne +1 more | 2016-02-09 |
| 9222902 | Estimations of nuclear magnetic resonance measurement distributions | Fred K. Gruber, Lalitha Venkataramanan, Tarek M. Habashy, Philip M. Singer | 2015-12-29 |
| 9201158 | Estimating and displaying molecular size information of a substance | Lukasz Zielinski, Yi-Qiao Song, Marcus Hofheins Donaldson | 2015-12-01 |
| 9074460 | Method of analyzing a petroleum reservoir | Andrew E. Pomerantz, Youxiang Zuo, Oliver C. Mullins | 2015-07-07 |
| 8996346 | Methods for characterization of petroleum fluid and application thereof | Julian Zuo, Chengli Dong, Andrew E. Pomerantz, Vinay K. Mishra, Oliver C. Mullins | 2015-03-31 |
| 8825408 | Using models for equilibrium distributions of asphaltenes in the prescence of GOR gradients to determine sampling procedures | Kentaro Indo, Oliver C. Mullins, John Ratulowski, Julian Zuo | 2014-09-02 |
| 8680858 | NMR logging of miscible displacement | Edmund J. Fordham, Yuesheng Cheng, John Edwards | 2014-03-25 |
| 8587302 | Modified pulse sequence to estimate properties | Lalitha Venkataramanan, Tarek M. Habashy, Ashok Belani | 2013-11-19 |
| 8206993 | Method for determining the characteristics of crude oils and mixtures of chain molecules by diffusion, relaxation and density measurements | — | 2012-06-26 |
| 7718434 | Method for determining the characteristics of crude oils and mixtures of chain molecules by diffusion and relaxation measurements | — | 2010-05-18 |
| 6597171 | Nuclear magnetic resonance methods for extracting information about a fluid in a rock | Martin Hurlimann, Olivier J. Terneaud, Ulrich Scheven, Lalitha Venkataramanan | 2003-07-22 |