Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7472748 | Methods for estimating properties of a subterranean formation and/or a fracture therein | Jimmie D. Weaver | 2009-01-06 |
| 7261160 | Methods and compositions for controlling the viscosity of viscoelastic surfactant fluids | Thomas D. Welton, Richard W. Pauls | 2007-08-28 |
| 6531427 | Reducing aluminum compound precipitation following subterranean formation acidizing | Chris E. Shuchart | 2003-03-11 |
| 6506711 | Reducing aluminum compound precipitation during subterranean formation acidizing | Chris E. Shuchart | 2003-01-14 |
| 5501276 | Drilling fluid and filter cake removal methods and compositions | Jim D. Weaver, Krishna M. Ravi, Larry S. Eoff, J. Michael Wilson | 1996-03-26 |
| 5264141 | Methods of reducing precipitation from acid solutions | Michael M. Brezinski | 1993-11-23 |