Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8269162 | Azimuthal elemental imaging | Andrew D. Kirkwood | 2012-09-18 |
| 8049164 | Azimuthal elemental imaging | Andrew D. Kirkwood, Richard R. Pemper | 2011-11-01 |
| 8015868 | Formation evaluation using estimated borehole tool position | Gamal A. Hassan | 2011-09-13 |
| 7966874 | Multi-resolution borehole profiling | Gamal A. Hassan, James V. Leggett, III, Gavin Lindsay | 2011-06-28 |
| 7880134 | Azimuthal elemental imaging | Andrew D. Kirkwood | 2011-02-01 |
| 7763845 | Downhole navigation and detection system | Robert A. Estes, Rocco DiFoggio, Eric Molz, Constantyn Chalitsios | 2010-07-27 |
| 7647182 | Apparent dip angle calculation and image compression based on region of interest | Gamal A. Hassan | 2010-01-12 |
| 7596452 | Compensated caliper using combined acoustic and density measurements | William Madigan, Eric Molz, Gamal A. Hassan | 2009-09-29 |
| 7573026 | Pileup rejection | Tuan Nguyen | 2009-08-11 |
| 7548817 | Formation evaluation using estimated borehole tool position | Gamal A. Hassan, Pingjun Guo | 2009-06-16 |
| 7424365 | Apparent dip angle calculation and image compression based on region of interest | Gamal A. Hassan | 2008-09-09 |
| 6942043 | Modular design for LWD/MWD collars | — | 2005-09-13 |
| 6584837 | Method and apparatus for determining oriented density measurements including stand-off corrections | — | 2003-07-01 |
| 5706003 | Apparatus and method for cancellation of offset in gamma spectrum data | — | 1998-01-06 |
| 5635711 | Apparatus and method for the suppression of microphonic noise in proportional counters for borehole logging-while-drilling | W. Robert Sloan, Jacques M. Holenka | 1997-06-03 |
| 5513528 | Logging while drilling method and apparatus for measuring standoff as a function of angular position within a borehole | Jacques M. Holenka, Michael Evans, William R. Sloan, David L. Best | 1996-05-07 |
| 5473158 | Logging while drilling method and apparatus for measuring formation characteristics as a function of angular position within a borehole | Jacques M. Holenka, Michael Evans, William R. Sloan, David L. Best | 1995-12-05 |