Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7576543 | Apparatus and method for resistivity measurements during rotational drilling | Rene Ritter, Matthias Gorek, Volker Krueger | 2009-08-18 |
| 7250768 | Apparatus and method for resistivity measurements during rotational drilling | Rene Ritter, Matthias Gorek, Volker Krueger | 2007-07-31 |
| 6850068 | Formation resistivity measurement sensor contained onboard a drill bit (resistivity in bit) | Roland E. Chemali, Paul E. Pastusek, Friedhelm Makohl, Rene Ritter, Stanley T. Hewitt | 2005-02-01 |
| 6714014 | Apparatus and method for wellbore resistivity imaging using capacitive coupling | Andrew Burt, Albert Alexy | 2004-03-30 |
| 6600321 | Apparatus and method for wellbore resistivity determination and imaging using capacitive coupling | — | 2003-07-29 |
| 6348796 | Image focusing method and apparatus for wellbore resistivity imaging | Andrew Burt | 2002-02-19 |
| 6025722 | Azimuthally segmented resistivity measuring apparatus and method | Andrew Burt | 2000-02-15 |
| 5502686 | Method and apparatus for imaging a borehole sidewall | Efraim Dory, Albert Alexy | 1996-03-26 |
| 4586137 | Method for generating variable well logging data composites | Elton Frost, Jr. | 1986-04-29 |