Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8433518 | Multilevel workflow method to extract resistivity anisotropy data from 3D induction measurements | Keli Sun, Qiming Li, Tarek M. Habashy | 2013-04-30 |
| 8200437 | Method for borehole correction, formation dip and azimuth determination and resistivity determination using multiaxial induction measurements | Sofia Davydycheva, Dean Homan | 2012-06-12 |
| 7991555 | Electromagnetic directional measurements for non-parallel bed formations | Jian Yang, Qiming Li, Jean Seydoux, Jacques R. Tabanou | 2011-08-02 |
| 7925483 | Methods for visualizing distances between wellbore and formation boundaries | Peiwen Xia, Jan W. Smits, Lawrence Chou, Qiming Li, James F. Bristow +2 more | 2011-04-12 |
| 7759943 | Subsurface electromagnetic measurements using cross-magnetic dipoles | Dean Homan, Tianhua Zhang, Nicolas Sebline | 2010-07-20 |
| 7630872 | Methods for visualizing distances between wellbore and formation boundaries | Peiwen Xia, Jan W. Smits, Lawrence Chou, Qiming Li, James F. Bristow +2 more | 2009-12-08 |
| 7599825 | Shoulder bed effects removal | Jian Yang, Chengbing Liu, Qiming Li, Jan W. Smits, Yanqing Zeng +1 more | 2009-10-06 |
| 7536261 | Anti-symmetrized electromagnetic measurements | Gerald N. Minerbo, Richard A. Rosthal | 2009-05-19 |
| 7382135 | Directional electromagnetic wave resistivity apparatus and method | Qiming Li, Lawrence Chou, Libo Yang, Alain Dumont, Lingyun Hu | 2008-06-03 |
| 7366616 | Computer-based method for while-drilling modeling and visualization of layered subterranean earth formations | Nicholas Bennett, Richard Timothy Coates, Alberto Malinverno | 2008-04-29 |
| 7239145 | Subsurface electromagnetic measurements using cross-magnetic dipoles | Dean Homan, Tianhua Zhang, Nicolas Sebline | 2007-07-03 |
| 7202670 | Method for characterizing a subsurface formation with a logging instrument disposed in a borehole penetrating the formation | Qiming Li, Lawrence Chou, Libo Yang, Chengbing Liu, Jan W. Smits | 2007-04-10 |
| 7093672 | Systems for deep resistivity while drilling for proactive geosteering | Jean Seydoux, Jacques R. Tabanou | 2006-08-22 |
| 7091722 | Method and apparatus for measuring mud resistivity | Dean Homan, Nicolas Sebline, Hanming Wang | 2006-08-15 |
| 7073609 | Apparatus and methods for imaging wells drilled with oil-based muds | Jacques R. Tabanou, Jean Seydoux, Attilio Pisoni | 2006-07-11 |
| 6998844 | Propagation based electromagnetic measurement of anisotropy using transverse or tilted magnetic dipoles | Jacques R. Tabanou, Alain Dumont | 2006-02-14 |
| 6969994 | Directional electromagnetic measurements insensitive to dip and anisotropy | Gerald N. Minerbo, Richard A. Rosthal | 2005-11-29 |
| 6927578 | Detection of borehole currents due to a decentered transverse magnetic dipole transmitter | Dean Homan | 2005-08-09 |
| 6924646 | System and method for locating a fracture in an earth formation | — | 2005-08-02 |
| 6836218 | Modified tubular equipped with a tilted or transverse magnetic dipole for downhole logging | Mark Frey, Jacques R. Tabanou | 2004-12-28 |
| 6819110 | Electromagnetic resistivity logging instrument with transverse magnetic dipole component antennas providing axially extended response | Cengiz Esmersoy | 2004-11-16 |
| 6798208 | System and method for locating a fracture in an earth formation | — | 2004-09-28 |
| 6788065 | Slotted tubulars for subsurface monitoring in directed orientations | Dean Homan | 2004-09-07 |
| 6727705 | Subsurface monitoring and borehole placement using a modified tubular equipped with tilted or transverse magnetic dipoles | Mark Frey, Jacques R. Tabanou | 2004-04-27 |
| 6710601 | Borehole current correction for tilted or transverse magnetic dipoles on conductive supports | Richard A. Rosthal, Dean Homan, Thomas D. Barber, Stephen D. Bonner, Brian Clark | 2004-03-23 |