| 9828258 |
Method for treatment of drill cuttings |
Roger Kubala |
2017-11-28 |
| 9624113 |
Method for recycling oilfield and other wastewater |
Roger Kubala |
2017-04-18 |
| 7736518 |
Separating mixtures of oil and water |
Kevin W. Smith, Harry D. Smith, Jr. |
2010-06-15 |
| 7736521 |
Viscosity control and filtration of well fluids |
Kevin W. Smith, Harry D. Smith, Jr. |
2010-06-15 |
| 7568523 |
Treatment of cesium-containing fluids |
Kevin W. Smith, Harry D. Smith, Jr. |
2009-08-04 |
| 7546874 |
Conserving components of fluids |
Kevin W. Smith, Harry D. Smith, Jr. |
2009-06-16 |
| 7231973 |
Viscosity control and filtration of well fluids |
— |
2007-06-19 |
| 7201225 |
Conserving components of fluids |
Kevin W. Smith |
2007-04-10 |
| 5773390 |
Chemical additive for removing solids from a well drilling system |
Darrell P. Salisbury |
1998-06-30 |
| 5678631 |
Process for removing solids from a well drilling system |
Darrell P. Salisbury |
1997-10-21 |
| 5676763 |
Process for cleaning pipe dope and other solids from well systems |
Darrell P. Salisbury |
1997-10-14 |
| 5570742 |
Tubular cleaning tool |
J. Scott Reynolds, Darrell P. Salisbury |
1996-11-05 |
| 5419397 |
Well cleaning tool with scratching elements |
J. Scott Reynolds |
1995-05-30 |
| 5152073 |
Dowel centering kit |
— |
1992-10-06 |