Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6064063 | Method for determining thermal neutron capture cross-section of earth formations using measurement from multiple capture gamma ray detectors | — | 2000-05-16 |
| 5808298 | Method for determining formation hydrocarbon saturation and wellbore hydrocarbon holdup from multidetector carbon-oxygen measurements | — | 1998-09-15 |
| 5789752 | Thermal neutron porosity measurement apparatus and method using an accelerator type high-energy neutron source | — | 1998-08-04 |
| 5659169 | Formation density sensor having detector array and method of calculating bulk density and correction | Gary L. Mathis | 1997-08-19 |
| 5596191 | Method and apparatus for epithermal neutron porosity measurement corrected for tool standoff and formation lithology | — | 1997-01-21 |
| 5581079 | Epithermal neutron detector having enhanced efficiency | — | 1996-12-03 |
| 5532481 | System for measuring epithermal neutron porosity having reduced borehole effect | — | 1996-07-02 |
| 5528030 | System for determining gas saturation of a formation and a wellbore through casing | — | 1996-06-18 |