Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE47362 | Drilling fluid additive with low freezing point | Dan M. DeLaRosa | 2019-04-23 |
| 8673825 | Drilling fluid additive with low freezing point | Dan M. DeLaRosa | 2014-03-18 |
| 8216981 | Drilling fluid additive system | Dan M. DeLaRosa | 2012-07-10 |
| 8101555 | Spotting fluids containing syrups | Dan M. DeLaRosa | 2012-01-24 |
| 7972995 | Drilling fluid additive containing heated syrup solids | Dan M. DeLaRosa | 2011-07-05 |
| 7964537 | Air drilling misting fluid contains syrups | Dan M. DeLaRosa | 2011-06-21 |
| 7763570 | Drilling fluid additive containing syrups | Dan M. DeLaRosa | 2010-07-27 |
| 7745378 | Drilling fluid additive containing corn syrup solids | — | 2010-06-29 |
| 7067461 | Water-based drilling fluid additive containing graphite and carrier | — | 2006-06-27 |
| 7060660 | Drilling fluid additive system containing talc and graphite | — | 2006-06-13 |
| 7056867 | Drilling fluid additive system containing graphite and carrier | — | 2006-06-06 |
| 7001871 | Water-based drilling fluid additive containing talc and graphite | — | 2006-02-21 |
| 6892887 | Polymer drilling bead recovery system and related methods | — | 2005-05-17 |
| 6821931 | Water-based drilling fluid additive containing talc and carrier | — | 2004-11-23 |
| 6774089 | Water-based drilling fluid additive containing talc and cellulose | — | 2004-08-10 |
| 6737384 | Drilling fluid additive system containing talc and cellulose | — | 2004-05-18 |
| 6734145 | Drilling fluid additive system containing talc & carrier | — | 2004-05-11 |
| 5942467 | Drilling fluid system containing a combination of hydrophilic carbon black/asphaltite and a refined fish oil/glycol mixture and related methods | John J. Rayborn | 1999-08-24 |
| 5891832 | Drilling fluid additive containing a fish oil/glycol mixture and related methods | John J. Rayborn | 1999-04-06 |
| 5843872 | Drilling fluid system and related methods | John J. Rayborn | 1998-12-01 |
| 5114597 | Method of making a drilling fluid containing carbon black in a dispersed state | J. Phillip Dickerson | 1992-05-19 |
| 5114598 | Method of making drilling fluid containing asphaltite in a dispersed state | J. Phillip Dickerson | 1992-05-19 |
| 4645608 | Method of treating oil contaminated cuttings | — | 1987-02-24 |
| 4216836 | Process and system for recovering solid particulate additives from a drilling fluid | — | 1980-08-12 |