Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9625604 | Analyzing subterranean formation with current source vectors | Nestor Cuevas, Edward Nichols | 2017-04-18 |
| 9377556 | Systems and methods for electromagnetic detection of a formation anomaly from a near bit location while drilling | Edward Nichols, Cengiz Esmersoy | 2016-06-28 |
| 9377552 | System and method for detecting a fracture in a rock formation using an electromagnetic source | Gary Michael Hoversten | 2016-06-28 |
| 9335435 | System and method for improving surface electromagnetic surveys | James Brady, Andrew Hawthorn, John P. Horkowitz, Jean Seydoux, Jacques R. Tabanou +1 more | 2016-05-10 |
| 9268052 | Method and system of using a data weighted electromagnetic source for time-lapse monitoring of a reservoir production or hydraulic fracturing | Gary Michael Hoversten, Vanessa Claire Brown | 2016-02-23 |
| 9103927 | Providing a tow cable having plural electromagnetic receivers and one or more electromagnetic sources | Guozhong Gao, Tarek M. Habashy, H. Frank Morrison, Michael L. Oristaglio, Kambiz A. Safinya +1 more | 2015-08-11 |
| 8947093 | Electromagnetic survey using naturally occurring electromagnetic fields as a source | Edward Nichols, Nestor Cuevas | 2015-02-03 |
| 8892362 | System and method for improving surface electromagnetic surveys | James Brady, Andrew Hawthorn, John P. Horkowitz, Jean Seydoux, Jacques R. Tabanou +1 more | 2014-11-18 |
| 8886463 | Characterizing an earth subterranean structure by iteratively performing inversion based on a function | Aria Abubakar, Tarek M. Habashy, Ping Zhang, Guozhong Gao, Jianguo Liu | 2014-11-11 |
| 8731987 | Method and apparatus to automatically recover well geometry from low frequency electromagnetic signal measurements | Jiuping Chen, Ping Zhang, Michael J. Wilt, Edward Nichols | 2014-05-20 |
| 8704523 | Measuring casing attenuation coefficient for electro-magnetics measurements | Cyrille Levesque, Richard A. Rosthal, Hong Zhang | 2014-04-22 |
| 8614578 | Attenuation of electromagnetic signals passing through conductive material | Guozhong Gao, H. Frank Morrison, Hong Zhang, Richard A. Rosthal, Cyrille Levesque | 2013-12-24 |
| 8612194 | Updating a subterranean model using at least electromagnetic data | Steve Horne | 2013-12-17 |
| 8570044 | Providing measurements to enable determination of electrical resistivity anisotropy of a subterranean structure | Michael Tompkins | 2013-10-29 |
| 8532928 | System and method for improving surface electromagnetic surveys | Jacques R. Tabanou, James Brady, Andrew Hawthorn, John P. Horkowitz, Jean Seydoux +1 more | 2013-09-10 |
| 8392119 | Analysis of subsurface electromagnetic data through inversion with constrained casing correction coefficients | Cyrille Levesque, Ping Zhang, Guozhong Gao | 2013-03-05 |
| 8378685 | Surveying a subterranean structure using a vertically oriented electromagnetic source | H. Frank Morrison, Nestor Cuevas | 2013-02-19 |
| 8332191 | Correction factors for electromagnetic measurements made through conductive material | Richard A. Rosthal, Hong Zhang, Cyrille Levesque, Guozhong Gao, H. Frank Morrison | 2012-12-11 |
| 8249812 | Characterizing an earth subterranean structure by iteratively performing inversion based on a function | Aria Abubakar, Tarek M. Habashy, Ping Zhang, Guozhong Gao, Jianguo Liu | 2012-08-21 |
| 8115491 | Providing a tow cable having plural electromagnetic receivers and one or more electromagnetic sources | Guozhong Gao, Tarek M. Habashy, Frank Morrison, Michael L. Oristaglio, Kambiz A. Safinya +1 more | 2012-02-14 |
| 8010291 | Processing measurement data that involves computing a derivative of the measurement data that represents a subterranean structure | Jiuping Chen, Edward Nichols, Stephen Allan Horne, Kevin Eyl | 2011-08-30 |
| 8008921 | Surveying using vertical electromagnetic sources that are towed along with survey receivers | Andrea Zerilli, H. Frank Morrison, Martin Howlid, James Brady, Leendert Combee +2 more | 2011-08-30 |
| 7991553 | Method and system for removing effects of conductive casings and wellbore and surface heterogeneity in electromagnetic imaging surveys | Ping Zhang, Edward Nichols, Frank Morrison, Aria Abubakar, Tarek M. Habashy | 2011-08-02 |
| 7949470 | Processing measurement data in a deep water application | Jiuping Chen, Kevin Eyl, Stephen Allan Horne, Edward Nichols | 2011-05-24 |
| 7884612 | Multi-component field sources for subsea exploration | Ugo Conti, Andrea Zerilli, Martin Howlid, Leendert Combee, Kevin Eyl | 2011-02-08 |