Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829947 | Acoustic Doppler downhole fluid flow measurement | Wei Han, James R. Birchak, Alan Hemphill, Tim Wiemers, Paul F. Rodney | 2004-12-14 |
| 6747570 | Method for preventing fracturing of a formation proximal to a casing shoe of well bore during drilling operations | Morris Benjamin Robbins | 2004-06-08 |
| 6693554 | Casing mounted sensors, actuators and generators | Morris Benjamin Robbins | 2004-02-17 |