Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624634 | Borehole current correction methods and apparatus | Richard A. Rosthal, Dean Homan, Thomas D. Barber, Stephen D. Bonner, Dzevat Omeragic | 2003-09-23 |
| 6614229 | System and method for monitoring a reservoir and placing a borehole using a modified tubular | Martin G. Luling, Mark Frey, Dhananjay Ramaswamy, Anthony Collins | 2003-09-02 |
| 6577244 | Method and apparatus for downhole signal communication and measurement through a metal tubular | John F. Hunka, Mark Frey, David L. Smith, Dhananjay Ramaswamy, Anthony Collins +1 more | 2003-06-10 |
| 6573722 | 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 | 2003-06-03 |
| 6557794 | Coil shielding method for selective attenuation of an electromagnetic energy field component | Richard A. Rosthal, Dean Homan, Dzevat Omeragic, Stephen D. Bonner, Scott S. Chesser +1 more | 2003-05-06 |
| 6509738 | Electromagnetic induction well logging instrument having azimuthally sensitive response | Gerald N. Minerbo, Shu-Kong Chang | 2003-01-21 |