Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345077 | Method and apparatus for producing a porosity log of a subsurface formation corrected for detector standoff | L. Scott Allen, Frank P. Leland, David C. Stromswold | 1994-09-06 |
| 4962490 | Acoustic logging method for determining the dip angle and dip direction of a subsurface formation fracture | D. Michael Williams | 1990-10-09 |
| 4809545 | Gravimetry logging | — | 1989-03-07 |
| 4780857 | Method for logging the characteristics of materials forming the walls of a borehole | F. Fay Osborn, Joseph Zemanek, Jr. | 1988-10-25 |
| 4677596 | Method of detecting and correcting impulse noise errors in log data | Donald M. Williams | 1987-06-30 |
| 4625547 | Borehole gravimetry logging | — | 1986-12-02 |
| 4602508 | Continuous gravity gradient logging | John L. Fitch | 1986-07-29 |
| 4535625 | Method of increasing the vertical resolution of well log data | — | 1985-08-20 |
| 4517836 | Method for determining oil saturation in a subsurface formation | Luke S. Gournay | 1985-05-21 |
| 4475386 | Borehole gravimetry system | John L. Fitch | 1984-10-09 |