Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5570744 | Separator systems for well production fluids | Jean S. Weingarten, Scott A. Mattison, Ronald G. Oba, M. Jane Williamson | 1996-11-05 |
| 5564456 | Method for mitigating slugs in a pipeline | Richard L. Payne, Sophany Thach | 1996-10-15 |
| 5535632 | Systems and methods for measuring flow rates and densities of the components of oil, water and gas mixtures | — | 1996-07-16 |
| 5524475 | Measuring vibration of a fluid stream to determine gas fraction | Terry J. Rock | 1996-06-11 |
| 5524665 | Level control system for gas-liquid separators | — | 1996-06-11 |
| 5482117 | Gas-liquid separator for well pumps | S. Michel Bucaram | 1996-01-09 |
| 5437299 | Multiphase fluid flow splitting and measurement | — | 1995-08-01 |
| 5431228 | Downhole gas-liquid separator for wells | Jean S. Weingarten, M. Jane Williamson, Richard L. Payne | 1995-07-11 |
| 5421408 | Simultaneous water and gas injection into earth formations | Richard F. Stoisits, Gordon J. Krist, Tuan D. Ma, Richard L. Payne, Jeffry A. Rugen +3 more | 1995-06-06 |
| 5400657 | Multiphase fluid flow measurement | Richard L. Payne, James C. Wilcoxson | 1995-03-28 |
| 5353646 | Multiphase fluid flow measurement | — | 1994-10-11 |
| 5288312 | Fluid slug flow mitigation and gas separation system | Richard L. Payne | 1994-02-22 |
| 5259250 | Multi-phase fluid flow mesurement | — | 1993-11-09 |
| 5237852 | Measurement of gas properties | — | 1993-08-24 |
| 5224372 | Multi-phase fluid flow measurement | — | 1993-07-06 |
| 5218840 | Determining compressibility factors for multiphase fluid flow measurement system | — | 1993-06-15 |
| 5209765 | Centrifugal separator systems for multi-phase fluids | Steven G. Petermann | 1993-05-11 |
| 5205310 | System and method for flow control for high watercut oil production | William D. Hetherington | 1993-04-27 |
| 5090253 | Coriolis type fluid flowmeter | — | 1992-02-25 |
| 4924695 | Apparatus for compressing a fluid sample to determine gas content and the fraction of one liquid composition in another | — | 1990-05-15 |
| 4852395 | Three phase fluid flow measuring system | — | 1989-08-01 |
| 4231429 | Lateral tensioning system for riser pipe | — | 1980-11-04 |