Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11016211 | 4D time shift and amplitude joint inversion for obtaining quantitative saturation and pressure separation | Xin Zhan, Dezhi Chu, John E. Bishop, David D. McAdow, Brent D. Wheelock | 2021-05-25 |
| 8575937 | Method and apparatus for utilizing time division multiple waveform transmitting | Scott C. Hornbostel, Dennis E. Willen | 2013-11-05 |
| 8473213 | Method for generating anisotropic resistivity volumes from seismic and log data using a rock physics model | Yaping Zhu, Shiyu Xu, Enru Liu, Michael A. Payne, Carrie X. Zhan | 2013-06-25 |
| 8274290 | Source monitoring for electromagnetic surveying | Philip J. Summerfield, Ruben Quintanilla, Anne K. Rutledge | 2012-09-25 |
| 8239181 | Inversion of CSEM data with measurement system signature suppression | Charlie Jing, Thomas A. Dickens, Dennis E. Willen | 2012-08-07 |
| 8126650 | Method for determining physical properties of structures | James J. Carazzone | 2012-02-28 |
| 8008920 | Method and apparatus for utilizing time division multiple waveform transmitting | Scott C. Hornbostel, Dennis E. Willen | 2011-08-30 |
| 7979211 | Electromagnetic data processing system | Dennis E. Willen | 2011-07-12 |
| 7933741 | Estimating noise at one frequency by sampling noise at other frequencies | Dennis E. Willen | 2011-04-26 |
| 7894989 | Method for determining earth vertical electrical anisotropy in marine electromagnetic surveys | Leonard J. Srnka, Olivier M. Burtz | 2011-02-22 |
| 7840356 | Method for determining receiver orientations | — | 2010-11-23 |
| 7593815 | Estimating noise at one frequency by sampling noise at other frequencies | Dennis E. Willen | 2009-09-22 |
| 7541996 | System and method for towing subsea vertical antenna | Brian J. Fielding | 2009-06-02 |
| 7539279 | Logarithmic spectrum transmitter waveform for controlled-source electromagnetic surveying | Leonard J. Srnka | 2009-05-26 |
| 7536262 | Kalman filter approach to processing electromagnetic data | Scott C. Hornbostel | 2009-05-19 |
| 7277806 | Method for removing air wave effect from offshore frequency domain controlled-source electromagnetic data | Leonard J. Srnka, James J. Carazzone | 2007-10-02 |