Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361632 | Method and apparatus for determining multiphase holdup fractions using a gradiomanometer and a densitometer | — | 1994-11-08 |
| 5276656 | Method for fluid identification and evaluation within wellbores using ultrasonic scanning | Jorg A. Angehrn | 1994-01-04 |
| 5138585 | Method for fluid identification and evaluation within wellbores using ultrasonic scanning | Jorg A. Angehrn | 1992-08-11 |
| 5095983 | Multiphase production evaluation method using thru-tubing, wireline packoff devices | — | 1992-03-17 |
| 5044436 | Steam injection profiling with unstable radioactive isotopes | — | 1991-09-03 |