Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672971 | Well logging system arranged for stable, high-sensitivity reception of propagating electromagnetic waves | Richard A. Meador, Ronald A. Hall, Larry W. Thompson, Edward S. Mumby | 1997-09-30 |
| 5402068 | Method and apparatus for logging-while-drilling with improved performance through cancellation of systemic errors through combination of signals, utilization of dedicated transmitter drivers, and utilization of selected reference signals | Richard A. Meador, Ronald A. Hall, Larry W. Thompson, Edward S. Mumby | 1995-03-28 |
| 5175429 | Stand-off compensation for nuclear MWD measurement | Hugh E. Hall, Jr., Donald K. Steinman | 1992-12-29 |
| 5081419 | High sensitivity well logging system having dual transmitter antennas and intermediate series resonant | Richard A. Meador, Ronald A. Hall, Larry W. Thompson, Edward S. Mumby | 1992-01-14 |
| 5061849 | Externally mounted radioactivity detector for MWD employing radial inline scintillator and photomultiplier tube | Edward S. Mumby, Vernon E. Groeschel | 1991-10-29 |
| 4904865 | Externally mounted radioactivity detector for MWD | Roger L. Tresler, Edward S. Mumby, Micheal D. Robie | 1990-02-27 |
| 4471435 | Computer-based system for acquisition of nuclear well log data | — | 1984-09-11 |