Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345847 | Downhole logging using symmetric and asymmetric compensated resistivity measurements | Thomas Kruspe, Martin Folberth, Sushant Dutta, Andreas Hartmann | 2025-07-01 |
| 11231474 | Inversion of NMR echo trains using a supplementary nonlinear equality constraint | Baoyan Li, Julio Roberto Arro, Hasan Kesserwan, Guodong Jin | 2022-01-25 |
| 10690642 | Method for automatically generating a fluid property log derived from drilling fluid gas data | Nicklas Jeremias Ritzmann, Oliver Mohnke | 2020-06-23 |
| 10598010 | Method for constructing a continuous PVT phase envelope log | Svenja Erdmann, Stefan Wessling, Nicklas Jeremias Ritzmann, Oliver Mohnke | 2020-03-24 |
| 10539705 | Formation evaluation utilizing dual wait time nuclear magnetic resonance | Radu Coman, Holger Tietjen, Martin Blanz | 2020-01-21 |
| 10429536 | T2 inversions with reduced motion artifacts | Tobias Kischkat, Radu Coman | 2019-10-01 |
| 10126457 | Motion detection and correction of magnetic resonance data | Radu Coman, Holger Tietjen, Martin Blanz | 2018-11-13 |
| 10061053 | NMR T2 distribution from simultaneous T1 and T2 inversions for geologic applications | Martin Blanz, Holger Tietjen, Mouin Hamdan, Radu Coman | 2018-08-28 |
| 9671483 | T2 inversions with reduced motion artifacts | Martin Blanz, Radu Coman | 2017-06-06 |
| 9024633 | NMR data accuracy and resolution by formation modeling | Thomas Kruspe, Gerhard Kurz | 2015-05-05 |
| 8004279 | Real-time NMR distribution while drilling | Thomas Kruspe, Peter Rottengatter, Mouin Hamdan | 2011-08-23 |
| 7821260 | NMR echo train compression using only NMR signal matrix multiplication to provide a lower transmission bit parametric representation from which estimate values of earth formation properties are obtained | Mouin Hamdan, Thomas Kruspe, Peter Rottengatter | 2010-10-26 |
| 7495436 | Rock properties prediction, categorization, and recognition from NMR echo-trains using linear and nonlinear regression | Mouin Hamdan | 2009-02-24 |
| 7425827 | Method and apparatus for formation evaluation and borehole size determination | Songhua Chen, Carl M. Edwards, Thomas Kruspe, Martin Blanz, David R. Beard | 2008-09-16 |
| 7196516 | Correction of NMR artifacts due to constant-velocity axial motion and spin-lattice relaxation | Martin Blanz, Thomas Kruspe | 2007-03-27 |
| 7193414 | Downhole NMR processing | Thomas Kruspe, Christian Kiesl, Hartmut Schrader | 2007-03-20 |
| 7180287 | Reduction of motion artifacts in NMR | Peter Rottengatter, Radu Fechete, Martin Blanz, Thomas Kruspe | 2007-02-20 |
| 6977499 | Formation-based interpretation of NMR data for carbonate reservoirs | Christian Kiesl, Thomas Kruspe, Iris Surholt | 2005-12-20 |
| 6727696 | Downhole NMR processing | Thomas Kruspe, Christian Kiesl, Hartmut Schrader | 2004-04-27 |
| 6650114 | NMR data acquisition with multiple interecho spacing | Thomas Kruspe, Martin Blanz, Peter Rottengatter | 2003-11-18 |
| 6646438 | NMR data acquisition with multiple interecho spacing | Thomas Kruspe, Martin Blanz, Peter Rottengatter | 2003-11-11 |
| 6603310 | Method for correcting downhole NMR data contaminated by borehole signals | Dan Georgi, Songhua Chen | 2003-08-05 |
| 6331775 | Gas zone evaluation by combining dual wait time NMR data with density data | Songhua Chen | 2001-12-18 |