Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822878 | Directional drilling control system and methods | Rocco DiFoggio, Leonty A. Tabarovsky | 2020-11-03 |
| 10386536 | System and method for correction of downhole measurements | Andreas Hartmann, Hanno Reckmann, Christian Fulda, Dorothea Marion Fischer | 2019-08-20 |
| 9910182 | Method and apparatus for inversion in dielectric logging | Babak Kouchmeshky, Rashid W. Khokhar, Wallace H. Meyer | 2018-03-06 |
| 9091791 | Accounting for bending effect in deep azimuthal resistivity measurements using inversion | Michael Rabinovich, Sergey Martakov | 2015-07-28 |
| 9062540 | Misalignment compensation for deep reading azimuthal propagation resistivity | Andreas Hartmann, Christian Fulda | 2015-06-23 |
| 8762107 | Triaxial induction calibration without prior knowledge of the calibration area's ground conductivity | Luis M. Pelegri | 2014-06-24 |
| 8669765 | Estimating a parameter of interest with transverse receiver toroid | David R. Beard, Rashid W. Khokar | 2014-03-11 |
| 8547103 | Multiple depths of investigation using two transmitters | David R. Beard | 2013-10-01 |
| 8234071 | Laterolog shunt measurement | Dinesh P. Shah, Rashid W. Khokhar | 2012-07-31 |
| 6603314 | Simultaneous current injection for measurement of formation resistance through casing | Richard J. Kostelnicek | 2003-08-05 |
| 5543715 | Method and apparatus for measuring formation resistivity through casing using single-conductor electrical logging cable | Bension Sh. Singer, Kurt M. Strack, Otto N. Fanini | 1996-08-06 |