Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11846170 | Detection of solid delivery for slurry mixing | Mehdi Mazrooee | 2023-12-19 |
| 11519253 | System and method to optimize pumping | Stanley V. Stephenson | 2022-12-06 |
| 10018020 | Decreasing pump lag time using process control | Mehdi Mazrooee, Chad Adam Fisher | 2018-07-10 |
| 9657560 | Methods for forming proppant-free channels in proppant packs in subterranean formation fractures | Philip D. Nguyen | 2017-05-23 |
| 8840298 | Centrifugal mixing system | Calvin L. Stegemoeller, Stanley V. Stephenson, Herb Horinek | 2014-09-23 |
| 8347957 | System and method for servicing a wellbore | Stanley V. Stephenson, Ronald E. Dant, Herb Horinek | 2013-01-08 |
| 8012358 | Mobile systems and methods of sufficiently treating water so that the treated water may be utilized in well-treatment operations | Billy Slabaugh, Arron L. Karcher, Michael Segura, Randy S. Rosine, Donna L. Harris | 2011-09-06 |
| 7931088 | Methods for treating a well by simultaneously introducing into a mixer streams of water, a viscosity-increasing agent, and a particulate and introducing the mixture into the well | Calvin L. Stegemoeller, Billy Slabaugh | 2011-04-26 |
| 7926564 | Portable well treating fluid mixing system and method | Calvin L. Stegemoeller | 2011-04-19 |
| 7824552 | Mobile systems and methods of sufficiently treating water so that the treated water may be utilized in well-treatment operations | Billy Slabaugh, Arron L. Karcher, Michael Segura, Randy S. Rosine, Donna L. Harris | 2010-11-02 |
| 7703518 | Dust control system for transferring dry material used in subterranean wells | Calvin L. Stegemoeller | 2010-04-27 |
| 7407010 | Methods of coating particulates | Richard D. Rickman, Philip D. Nguyen, Jimmie D. Weaver, Johnny Barton, Bhadra Desai | 2008-08-05 |
| 7353875 | Centrifugal blending system | Stan Stephenson, Herbert J. Horinek | 2008-04-08 |
| 7261158 | Coarse-foamed fracturing fluids and associated methods | Richard L. Middaugh, Phillip C. Harris, Stanley J. Heath, Robert S. Taylor, Ottmar F. Hoch +2 more | 2007-08-28 |
| 7104328 | Method and apparatus for hydrating a gel for use in a subterranean well | Billy Slabaugh | 2006-09-12 |
| 7048432 | Method and apparatus for hydrating a gel for use in a subterranean formation | Billy Slabaugh | 2006-05-23 |
| 6987083 | Xanthan gels in brines and methods of using such xanthan gels in subterranean formations | Richard W. Pauls | 2006-01-17 |
| 5386361 | Method of unsticking material delivery apparatus | Stanley V. Stephenson, Mark Farabee, Ronald E. Dant, Russell D. Taylor | 1995-01-31 |
| 5026168 | Slurry mixing apparatus | Leslie N. Berryman, Herbert J. Horinek, David A. Prucha, Vincent G. Reidenbach, Stanley V. Stephenson | 1991-06-25 |
| 4989987 | Slurry mixing apparatus | Leslie N. Berryman, Herbert J. Horinek, David A. Prucha, Vincent G. Reidenbach, Stanley V. Stephenson | 1991-02-05 |
| 4951262 | Agitator and baffles for slurry mixing | Vincent G. Reidenbach | 1990-08-21 |
| 4930576 | Slurry mixing apparatus | Leslie N. Berryman, Herbert J. Horinek, David A. Prucha, Vincent G. Reidenbach, Stanley V. Stephenson | 1990-06-05 |