Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612318 | Inductive coupler assembly for downhole transmission line | Darren Wall, Trent Hassell, Ted Louis Christiansen, Craig Thorne, Sterling Beck +2 more | 2020-04-07 |
| 10371781 | Gain-corrected measurements | Dean Homan, Emmanuel Legendre, Reza Taherian, Jean Seydoux, Eunmi Choi +2 more | 2019-08-06 |
| 10067257 | Multi-frequency electromagnetic tensor measurements | Dean Homan, John Rasmus, Siddharth Misra, Aditya Gupta | 2018-09-04 |
| 10036827 | Petrophysically-consistent calibration of full-tensor electromagnetic induction tools | Dean Homan, Siddharth Misra, John Rasmus | 2018-07-31 |
| 9540922 | Electromagnetic method for obtaining dip azimuth angle | Xiaoyan Zhong, Steven F. Crary | 2017-01-10 |
| 9476857 | Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes | Emmanuel Legendre, Thilo Michael Brill, Richard A. Rosthal | 2016-10-25 |
| 9435909 | Imaging using directional resistivity measurements | Sofia Davydycheva, Jian Yang | 2016-09-06 |
| 9223056 | Determining borehole corrected formation properties | Peter Wu, Hanming Wang | 2015-12-29 |
| 9110099 | Shielded antenna for a downhole logging tool | Dean Homan, Robert C. Smith | 2015-08-18 |
| 8958989 | Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes | Emmanuel Legendre, Thilo Michael Brill, Richard A. Rosthal | 2015-02-17 |
| 8884624 | Shielded antenna for a downhole logging tool | Dean Homan, Robert C. Smith | 2014-11-11 |
| 8571797 | Determining borehole corrected formation on properties | Peter Wu, Hanming Wang | 2013-10-29 |
| 8558548 | Determining anisotropic resistivity | Andrei I. Davydychev, Keli Sun | 2013-10-15 |
| 8368403 | Logging tool having shielded triaxial antennas | Dean Homan, Robert C. Smith | 2013-02-05 |
| 8294467 | Imaging using directional resistivity measurements | Sofia Davydycheva, Jian Yang | 2012-10-23 |
| 8289024 | Method and apparatus for locating well casings from an adjacent wellbore | Brian Clark, Christophe Dupuis | 2012-10-16 |
| 7812610 | Method and apparatus for locating well casings from an adjacent wellbore | Brian Clark, Christophe Dupuis | 2010-10-12 |
| 7756641 | Computation of sensitivity for resistivity measurements | Jean-Marc Donadille, Martin G. Luling | 2010-07-13 |
| 7733093 | Method of and apparatus for measuring tensor resistivity | Dean Homan, Joshua W. Gibson, Jonatan Jalfin, Hanming Wang, Christophe Dupuis | 2010-06-08 |
| 7536261 | Anti-symmetrized electromagnetic measurements | Dzevat Omeragic, Richard A. Rosthal | 2009-05-19 |
| 7457707 | Method for determining an effective formation conductivity for induction log borehole correction | Andrei I. Davydychev | 2008-11-25 |
| 7414391 | Electromagnetic logging tool calibration system | Dean Homan, Richard A. Rosthal, Thomas D. Barber | 2008-08-19 |
| 7386430 | Method of correcting triaxial induction arrays for borehole effect | Thomas D. Barber, Tracy E. Broussard, Hanming Wang, Sofia Davydycheva | 2008-06-10 |
| 7138897 | Induction measurements with reduced borehole effects | Sofia Davydycheva, Hanming Wang, Dean Homan | 2006-11-21 |
| 7091877 | Apparatus and methods for determining isotropic and anisotropic formation resistivity in the presence of invasion | Thomas D. Barber, Stephen D. Bonner, Dean Homan, Richard A. Rosthal, Kuo-Chiang Chen | 2006-08-15 |