Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9085713 | Stable aqueous wax dispersions | — | 2015-07-21 |
| H837 | Drilling fluids based on polymer complexes | Dennis G. Peiffer, Robert D. Lundberg, John C. Newlove | 1990-11-06 |
| H495 | Drilling fluids based on hydrocarbon soluble polyampholytes | Dennis G. Peiffer, Robert D. Lundberg, John C. Newlove | 1988-07-05 |
| 4739834 | Controlled hydraulic fracturing via nonaqueous solutions containing low charge density polyampholytes | Dennis G. Peiffer, Robert D. Lundberg, John C. Newlove | 1988-04-26 |
| 4683952 | Fluid loss control in oil field cements | Dennis G. Peiffer, Robert D. Lundberg, John C. Newlove | 1987-08-04 |
| 4659750 | Fluid loss control in oil field cements | John C. Newlove, Robert C. Portnoy | 1987-04-21 |
| 4627926 | Thermally stable borehole fluids | Dennis G. Peiffer, Robert D. Lundberg, John C. Newlove | 1986-12-09 |
| 4626285 | Fluid loss control in oil field cements | Dennis G. Peiffer, Robert D. Lundberg, John C. Newlove | 1986-12-02 |
| 4624795 | Aqueous acid gels and use thereof | Jeffrey C. Dawson, Robert Ray McDaniel | 1986-11-25 |
| 4615393 | Hydrocarbon soluble polymer complexes useful as viscosifiers in fracturing operations | John C. Newlove, Dennis G. Peiffer, Robert D. Lundberg | 1986-10-07 |
| 4579671 | Hydrocarbon soluble polymer complexes useful as viscosifiers in fracturing operations | Robert D. Lundberg, Dennis G. Peiffer, John C. Newlove | 1986-04-01 |