Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349528 | Method apparatus for determination of porosity lithological composition | — | 1994-09-20 |
| 4617825 | Well logging analysis methods for use in complex lithology reservoirs | — | 1986-10-21 |
| 4584874 | Method for determining porosity, clay content and mode of distribution in gas and oil bearing shaly sand reservoirs | — | 1986-04-29 |
| 4484470 | Method and apparatus for determining characteristics of clay-bearing formations | Walter H. Fertl | 1984-11-27 |