Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788263 | Replaceable antennas for subsurface monitoring apparatus | John Edwards | 2004-09-07 |
| 6727827 | Measurement while drilling electromagnetic telemetry system using a fixed downhole receiver | John Edwards, John R. Lovell | 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, Dzevat Omeragic | 2004-03-23 |
| 6680613 | Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole | Richard A. Rosthal, Dean Homan, Thomas D. Barber, Stephen D. Bonner, Dzevat Omeragic | 2004-01-20 |