| 8400159 |
Casing correction in non-magnetic casing by the measurement of the impedance of a transmitter or receiver |
Guozhong Gao |
2013-03-19 |
| 8326539 |
Characterizing at least one property of a liner that lines a well |
Edward Nichols, Richard A. Rosthal, Hong Zhang, Luis E. Depavia |
2012-12-04 |
| 8115491 |
Providing a tow cable having plural electromagnetic receivers and one or more electromagnetic sources |
David Alumbaugh, Guozhong Gao, Tarek M. Habashy, Michael L. Oristaglio, Kambiz A. Safinya +1 more |
2012-02-14 |
| 7999550 |
Multi-sensor system for the detection and characterization of unexploded ordnance |
Erika Gasperikova |
2011-08-16 |
| 7991553 |
Method and system for removing effects of conductive casings and wellbore and surface heterogeneity in electromagnetic imaging surveys |
David Alumbaugh, Ping Zhang, Edward Nichols, Aria Abubakar, Tarek M. Habashy |
2011-08-02 |
| 7795872 |
Determining correction factors representing effects of different portions of a lining structure |
Brian Clark, Edward Nichols, Hong Zhang, Richard A. Rosthal |
2010-09-14 |
| 7657391 |
Electromagnetically detecting thin resistive bodies in shallow water and terrestrial environments |
David Alumbaugh, Jiuping Chen |
2010-02-02 |
| 7565244 |
Method and system for removing effects of conductive casings and wellbore and surface heterogeneity in electromagnetic imaging surveys |
David Alumbaugh, Ping Zhang, Edward Nichols, Aria Abubakar, Tarek M. Habashy |
2009-07-21 |
