Issued Patents All Time
Showing 76–100 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8195399 | Method of determining downhole formation grain size distribution using acoustic and NMR logging data | Mikhail Gladkikh, Jiansheng Chen | 2012-06-05 |
| 8131469 | Data acquisition and processing for invasion profile and gas zone analysis with NMR dual or multiple interecho spacing time logs | Wei Shao | 2012-03-06 |
| 8115481 | Method of discerning water from hydrocarbon fluids using downhole NMR instruments in petroleum reservoirs with formation brine | — | 2012-02-14 |
| 7825659 | Pore-scale geometric models for interpretation of downhole formation evaluation data | Daniel T. Georgi, Mikhail Gladkikh | 2010-11-02 |
| 7808238 | Echo-decay-acceleration data acquisition method for gas identification using a low-field gradient | — | 2010-10-05 |
| 7768260 | Methods for identification and quantification of multicomponent-fluid and estimating fluid gas/ oil ratio from NMR logs | Jiansheng Chen, Hyung Tae Kwak | 2010-08-03 |
| 7753119 | In-situ heavy-oil reservoir evaluation with artificial temperature elevation | Daniel T. Georgi | 2010-07-13 |
| 7565833 | Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis | Michael E. Gillen, Ole Engels, W. Allen Gilchrist, Darryl E. Trcka, Thomas Kruspe | 2009-07-28 |
| 7565246 | Determination of gas saturation radial profile from multi-frequency NMR data | Sheng Fang | 2009-07-21 |
| 7502692 | Method and computer program product for estimating true intrinsic relaxation time and internal gradient from multigradient NMR logging | — | 2009-03-10 |
| 7425827 | Method and apparatus for formation evaluation and borehole size determination | Carl M. Edwards, Thomas Kruspe, Martin Blanz, Holger Thern, David R. Beard | 2008-09-16 |
| 7363161 | Pore-scale geometric models for interpretation of downhole formation evaluation data | Daniel T. Georgi, Mikhail Gladkikh | 2008-04-22 |
| 7356413 | Pore-scale geometric models for interpretation of downhole formation evaluation data | Daniel T. Georgi, David Jacobi | 2008-04-08 |
| 7301338 | Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis | Mike Gillen, Ole Engels, W. Allen Gilchrist, Darryl E. Trcka, Thomas Kruspe | 2007-11-27 |
| 7298142 | Method and apparatus for reservoir fluid characterization in nuclear magnetic resonance logging | Gabor Hursan | 2007-11-20 |
| 7257490 | Pore-scale geometric models for interpretation of downhole formation evaluation data | Daniel T. Georgi, David Jacobi | 2007-08-14 |
| 7253617 | Method and apparatus for characterizing heavy oil components in petroleum reservoirs | Sheng Fang, Mike Gillen, Mette Stengaard Munkholm, Wei Shao | 2007-08-07 |
| 7227355 | Method of detecting, quantifying and correcting borehole contaminations from multi-frequency, multi-sensitive-volume NMR logging data | Gigi Zhang, Daniel T. Georgi | 2007-06-05 |
| 6972564 | Objective oriented methods for NMR log acquisitions for estimating earth formation and fluid properties | Carl M. Edwards | 2005-12-06 |
| 6859034 | Time-domain data integration of multiple gradient, multiple TE echo trains | — | 2005-02-22 |
| 6755246 | In-situ heavy-oil reservoir evaluation with artificial temperature elevation | Daniel T. Georgi | 2004-06-29 |
| 6603310 | Method for correcting downhole NMR data contaminated by borehole signals | Dan Georgi, Holger Thern | 2003-08-05 |
| 6600316 | Rapid NMR multi-frequency T1 and T2 acquisition for earth formations evaluation with MWD or wireline tools | Dan Georgi, Thomas Kruspe | 2003-07-29 |
| 6597170 | Optimal excitation pulse shaping for multi-frequency measurements in NMR logging | David R. Beard, Gregory B. Itskovich, Arcady Reiderman | 2003-07-22 |
| 6400148 | Use of redundant data for log quality measurements | Wallace H. Meyer | 2002-06-04 |