Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9714377 | Manufacture of intermediate strength proppant or lost circulation material from drill cuttings | Jonathan Getliff | 2017-07-25 |
| 9115303 | Biologically-derived monoesters as drilling fluids | Stephen J. Miller, Saleh Elomari, Edward Keith Morton, Ronald John Lenz, Jr., Rithana Chea | 2015-08-25 |
| 9115556 | Method of using biologically-derived monoesters as drilling fluids | Stephen J. Miller, Saleh Elomari, Edward Keith Morton, Ronald John Lenz, Jr., Rithana Chea | 2015-08-25 |
| 5645730 | Acid wastewater treatement | Ronnie D. Gordon | 1997-07-08 |
| 5536385 | Production and purification of contaminated effluent streams containing ammonium sulfate and ammonia | Joseph P. Sheldon, Walter H. Stanton, Fred Applegath | 1996-07-16 |
| 5405224 | Subterranean disposal of liquid and slurried solids wastes | Winton G. Aubert, Thomas K. Perkins | 1995-04-11 |
| 5360787 | Dispersant compositions comprising sulfonated isobutylene maleic anhydride copolymer for subterranean well drilling and completion | James B. Bloys, William N. Wilson, Roger D. Bradshaw, Roger A. Grey | 1994-11-01 |
| 5292367 | Dispersant compositions for subterranean well drilling and completion | James B. Bloys, William N. Wilson, Robert B. Carpenter, Roger D. Bradshaw | 1994-03-08 |
| 4942929 | Disposal and reclamation of drilling wastes | Donna M. Lantero | 1990-07-24 |