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Patent applications and USPTO patent grants for Bray; Windal S..The latest application filed is for "method of cementing using polymeric retarder".
Patent | Date |
---|---|
Method of cementing using polymeric retarder Grant 8,096,359 - Bray January 17, 2 | 2012-01-17 |
Method of cementing using polymeric retarder App 20080115938 - Bray; Windal S. | 2008-05-22 |
Ultra low density cementitious slurries for use in cementing of oil and gas wells App 20050166803 - Dillenbeck, Robert L. ;   et al. | 2005-08-04 |
Ultra low density cementitious slurries for use in cementing of oil and gas wells Grant 6,832,652 - Dillenbeck , et al. December 21, 2 | 2004-12-21 |
Well cementing method using a dispersant and fluid loss intensifier Grant 5,105,885 - Bray , et al. April 21, 1 | 1992-04-21 |
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