Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8378292 | Neutron porosity measurement devices with semiconductor neutron detection cells and methods | Helene Claire Climent | 2013-02-19 |
| 6720764 | Magnetic sensor system useful for detecting tool joints in a downhole tubing string | Mahendran S. Relton, John S. Burrington, Jonathan J. Falcon | 2004-04-13 |
| 5451873 | Method and apparatus for determining the in situ larmor frequency of a wellbore NMR tool to compensate for accumulation of magnetic material on the magnet housing of the tool | Robert Freedman, John Edward Smaardyk | 1995-09-19 |
| 5432446 | Borehole measurement of NMR characteristics of earth formation | Don T. Macune, Christopher E. Morriss, Richard W. Oldigs, John Edward Smaardyk, Joseph M. Steiner, Jr. | 1995-07-11 |