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Patent applications and USPTO patent grants for Free; Dustin L..The latest application filed is for "delayed borate crosslinked fracturing fluid".
Patent | Date |
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Delayed borate crosslinked fracturing fluid Grant 6,060,436 - Snyder , et al. May 9, 2 | 2000-05-09 |
Reduction of water production from hydrocarbon containing subsurface formations Grant 4,290,485 - Free , et al. September 22, 1 | 1981-09-22 |
Method of well completion with casing gel Grant 4,257,483 - Morris , et al. March 24, 1 | 1981-03-24 |
Chemical wash with fluid loss control Grant 4,207,194 - Sharpe , et al. June 10, 1 | 1980-06-10 |
Method for treating a well using a chemical wash with fluid loss control Grant 4,127,174 - Sharpe , et al. November 28, 1 | 1978-11-28 |
Fracturing subterranean formation Grant 3,974,077 - Free August 10, 1 | 1976-08-10 |
Self-breaking viscous aqueous solutions and the use thereof in fracturing subterranean formations Grant 3,960,736 - Free , et al. June 1, 1 | 1976-06-01 |
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