Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8030935 | Minimizing the effect of borehole current in tensor induction logging tools | Li Gao | 2011-10-04 |
| 7269514 | System and method for correcting induction logging device measurements by alternately estimating geometry and conductivity parameters | — | 2007-09-11 |
| 7026820 | Method and apparatus for minimizing direct coupling for downhole logging devices | Li Gao | 2006-04-11 |
| 7010429 | Induction logging system and method featuring multi-frequency skin effect correction | — | 2006-03-07 |
| 6944546 | Method and apparatus for inversion processing of well logging data in a selected pattern space | Michael S. Bittar | 2005-09-13 |
| 6885947 | Method for joint interpretation of multi-array induction and multi-component induction measurements with joint dip angle estimation | Berthold Kriegshauser, Otto N. Fanini, Liming Yu, Gulamabbas Merchant | 2005-04-26 |
| 6795774 | Method for asymptotic dipping correction | — | 2004-09-21 |
| 6591194 | Vertical 1-D inversion with thin layers of equal thickness | Liming Yu, Berthold Kriegshauser, Otto N. Fanini | 2003-07-08 |
| 6219619 | Inhomogeneous background-based software focusing method for array-type induction logging tools | Ingo M. Geldmacher | 2001-04-17 |
| 6049209 | Axial resolution enhancement method for resistivity well logs which accounts for lateral variations in the resistivity of earth formations penetrated by a wellbore | David R. Beard, Bill H. Corley, Ingo M. Geldmacher | 2000-04-11 |
| 5774360 | Method of correcting formation resistivity well logs for the effects of formation layer inclination with respect to the wellbore | Qiang Zhou | 1998-06-30 |