Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6719048 | Separation of oil-well fluid mixtures | Bernard Theron, Andrew J. Reischer, William F. Murphy, Ian Bryant, David Wilkinson | 2004-04-13 |
| 6446723 | Cable connection to sensors in a well | Willem Wijnberg, Christian Chouzenoux, Stephanie Marie-Odile Montillet | 2002-09-10 |
| 6363180 | Methods and apparatus for enhancing dynamic range, sensitivity, accuracy, and resolution in fiber optic sensor systems | Tsutomu Yamate, Robert J. Schroeder, Eric Udd | 2002-03-26 |
| 6304686 | Methods and apparatus for measuring differential pressure with fiber optic sensor systems | Tsutomu Yamate, Raghu Madhavan, Robert J. Schroeder | 2001-10-16 |
| 6246048 | Methods and apparatus for mechanically enhancing the sensitivity of longitudinally loaded fiber optic sensors | Raghu Madhavan, Tsutomu Yamate, Stephen Balkunas, Robert J. Schroeder | 2001-06-12 |
| 6218661 | Methods and apparatus for mechanically enhancing the sensitivity of transversely loaded fiber optic sensors | Robert J. Schroeder, Tsutomu Yamate, Raghu Madhavan, Eric Udd | 2001-04-17 |
| 6075611 | Methods and apparatus utilizing a derivative of a fluorescene signal for measuring the characteristics of a multiphase fluid flow in a hydrocarbon well | Elizabeth B. Dussan V., Xu Wu, Oliver C. Mullins, Richard Gaylor, Kenneth E. Stephenson | 2000-06-13 |
| 6023340 | Single point optical probe for measuring three-phase characteristics of fluid flow in a hydrocarbon well | Xu Wu, Edmund J. Fordham, Oliver C. Mullins | 2000-02-08 |
| 6016191 | Apparatus and tool using tracers and singles point optical probes for measuring characteristics of fluid flow in a hydrocarbon well and methods of processing resulting signals | Kenneth E. Stephenson | 2000-01-18 |
| 5831743 | Optical probes | Edmund J. Fordham | 1998-11-03 |