Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8418764 | Methods useful for controlling fluid loss in subterranean formations | Ronald Glen Dusterhoft, Bradley L. Todd, Larry S. Eoff | 2013-04-16 |
| 8091638 | Methods useful for controlling fluid loss in subterranean formations | Ronald Glen Dusterhoft, Bradley L. Todd, Larry S. Eoff | 2012-01-10 |
| 7939474 | Wellbore fluids containing additives for removing a filter cake and methods of using the same | Matthew E. Blauch, Sanjay Vitthal, R. Ashley Donaldson | 2011-05-10 |
| 7299876 | Viscosified treatment fluids and associated methods of use | Paul D. Lord, Rodney B. Waltman, Sanjay Vitthal | 2007-11-27 |
| 7222672 | Wellbore fluids containing additives for removing a filter cake and methods of using the same | Matthew E. Blauch, Sanjay Vitthal, R. Ashley Donaldson | 2007-05-29 |
| 7165617 | Viscosified treatment fluids and associated methods of use | Paul D. Lord, Rodney B. Waltman, Sanjay Vitthal | 2007-01-23 |
| 7125826 | Methods of using invertible oil external-water internal fluids in subterranean applications | Robert S. Taylor | 2006-10-24 |
| 7090017 | Low cost method and apparatus for fracturing a subterranean formation with a sand suspension | Donald Justus, Sanjay Vitthal | 2006-08-15 |
| 7025134 | Surface pulse system for injection wells | Audis C. Byrd, Ronald Glen Dusterhoft | 2006-04-11 |
| 5570743 | Continuous multi-component slurrying process at oil or gas well | Paul O. Padgett, Stephen F. Crain, Wayne A. Handke, Jerry L. Logan, Calvin L. Stegemoeller +2 more | 1996-11-05 |
| 5522459 | Continuous multi-component slurrying process at oil or gas well | Paul O. Padgett, Stephen F. Crain, Wayne A. Handke, Jerry L. Logan, Calvin L. Stegemoeller +2 more | 1996-06-04 |