Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938458 | Acoustic doppler downhole fluid flow measurement | Wei Han, Jean Michel Beique, James R. Birchak, Alan Hemphill, Paul F. Rodney | 2005-09-06 |
| 6829947 | Acoustic Doppler downhole fluid flow measurement | Wei Han, Jean Michel Beique, James R. Birchak, Alan Hemphill, Paul F. Rodney | 2004-12-14 |
| 6585044 | Method, system and tool for reservoir evaluation and well testing during drilling operations | Stephen Rester, James L. Hunt, Edgar Chacon, John J. Baldauff, Michael H. Johnson +1 more | 2003-07-01 |