| 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 |