Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825658 | NMR logging apparatus and methods for fluid typing | Lei Hou | 2004-11-30 |
| 6661226 | NMR apparatus and methods for measuring volumes of hydrocarbon gas and oil | Lei Hou, Daniel Lee Miller, James E. Galford, John C. Bouton, Prabhakar Aadireddy | 2003-12-09 |
| 6646437 | System and method for clay typing using NMR-based porosity modeling | Dattatraya V. Chitale, Peter Ian Day, Richard F. Sigal | 2003-11-11 |
| 6366087 | NMR logging apparatus and methods for fluid typing | Lei Hou | 2002-04-02 |
| 6242912 | System and method for lithology-independent gas detection using multifrequency gradient NMR logging | Manfred G. Prammer, Duncan Mardon, Melvin N. Miller | 2001-06-05 |
| 5936405 | System and method for lithology-independent gas detection using multifrequency gradient NMR logging | Manfred G. Prammer, Duncan Mardon, Melvin N. Miller | 1999-08-10 |
| 5696448 | NMR system and method for formation evaluation using diffusion and relaxation log measurements | Duncan Mardon, Daniel Lee Miller | 1997-12-09 |
| 5557200 | Nuclear magnetic resonance determination of petrophysical properties of geologic structures | — | 1996-09-17 |
| 5412320 | Nuclear magnetic resonance determination of petrophysical properties of geologic structures | — | 1995-05-02 |
| 5309098 | Nuclear magnetic resonance detection of geologic structures | Melvin N. Miller, John C. Bouton | 1994-05-03 |
| 4338567 | Apparatus and method for determination of bound water in subsurface formations | — | 1982-07-06 |
| 4245313 | Method and apparatus for determining characteristics of subsurface earth formations | — | 1981-01-13 |
| 4233839 | Apparatus and method for determining characteristics of subsurface formations | — | 1980-11-18 |