Issued Patents All Time
Showing 51–75 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8564179 | Apparatus and method for downhole energy conversion | Brian Ochoa, Volker Krueger | 2013-10-22 |
| 8373412 | NMR-LWD imaging tool | Martin Blanz | 2013-02-12 |
| 8330459 | Method and apparatus for NMR measurements in small boreholes | Martin Blanz | 2012-12-11 |
| 8245771 | Method and apparatus for demagnetizing a borehole | — | 2012-08-21 |
| 8004279 | Real-time NMR distribution while drilling | Holger Thern, Peter Rottengatter, Mouin Hamdan | 2011-08-23 |
| 7969150 | Demagnetizer to eliminate residual magnetization of wellbore wall produced by nuclear magnetic resonance logs | Homero C. Castillo | 2011-06-28 |
| 7937999 | Estimating formation temperature near a borehole and using same for estimating a property of the formation | Martin Blanz | 2011-05-10 |
| 7913756 | Method and apparatus for demagnetizing a borehole | — | 2011-03-29 |
| 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, Holger Thern, Peter Rottengatter | 2010-10-26 |
| 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, Songhua Chen | 2009-07-28 |
| 7434631 | Apparatus and method of controlling motion and vibration of an NMR sensor in a drilling BHA | Volker Krueger, Hans-Juergen Faber, Johannes Witte | 2008-10-14 |
| 7425827 | Method and apparatus for formation evaluation and borehole size determination | Songhua Chen, Carl M. Edwards, Martin Blanz, Holger Thern, David R. Beard | 2008-09-16 |
| 7405563 | Compensation of magnetic influence in a MWD system | Volker Krueger, Martin Blanz, Roland E. Chemali | 2008-07-29 |
| 7368909 | Downhole high resolution NMR spectroscopy with polarization enhancement | Martin Blanz | 2008-05-06 |
| 7306060 | Drilling assembly with a steering device for coiled-tubing operations | Volker Krueger, Carsten Freyer, Hans-Juergen Faber | 2007-12-11 |
| 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, Songhua Chen | 2007-11-27 |
| 7268547 | Correction of motion influences in NMR signals | Martin Blanz | 2007-09-11 |
| 7235970 | Antenna core material for use in MWD resistivity measurements and NMR measurements | Arcady Reiderman, Martin Blanz, Peter Rottengatter | 2007-06-26 |
| 7205762 | Downhole high resolution NMR spectroscopy with polarization enhancement | Martin Blanz | 2007-04-17 |
| 7196516 | Correction of NMR artifacts due to constant-velocity axial motion and spin-lattice relaxation | Martin Blanz, Holger Thern | 2007-03-27 |
| 7193414 | Downhole NMR processing | Christian Kiesl, Holger Thern, Hartmut Schrader | 2007-03-20 |
| 7185715 | Apparatus and method of controlling motion and vibration of an NMR sensor in a drilling bha | Volker Krueger, Hans-Juergen Faber, Johannes Witte | 2007-03-06 |
| 7180287 | Reduction of motion artifacts in NMR | Peter Rottengatter, Holger Thern, Radu Fechete, Martin Blanz | 2007-02-20 |
| 7126332 | Downhole high resolution NMR spectroscopy with polarization enhancement | Martin Blanz | 2006-10-24 |
| 7083006 | Non-rotating sensor assembly for measurement-while-drilling applications | Volker Krueger | 2006-08-01 |