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Patent applications and USPTO patent grants for Sedillo; Lawrence P..The latest application filed is for "controlled hydraulic fracturing via nonaqueous solutions containing low charge density polyampholytes".
Patent | Date |
---|---|
Controlled hydraulic fracturing via nonaqueous solutions containing low charge density polyampholytes Grant 4,739,834 - Peiffer , et al. April 26, 1 | 1988-04-26 |
Fluid loss control in oil field cements Grant 4,659,750 - Sedillo , et al. April 21, 1 | 1987-04-21 |
Thermally stable borehole fluids Grant 4,627,926 - Peiffer , et al. December 9, 1 | 1986-12-09 |
Aqueous acid gels and use thereof Grant 4,624,795 - Dawson , et al. November 25, 1 | 1986-11-25 |
Hydrocarbon soluble polymer complexes useful as viscosifiers in fracturing operations Grant 4,615,393 - Sedillo , et al. October 7, 1 | 1986-10-07 |
Hydrocarbon soluble polymer complexes useful as viscosifiers in fracturing operations Grant 4,579,671 - Lundberg , et al. April 1, 1 | 1986-04-01 |
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