Biezen; Ewout
Patent Applications and Registrations
Patent applications and USPTO patent grants for Biezen; Ewout.The latest application filed is for "methods and compositions for reducing subterranean formation permeabilities".
- Biezen; Ewout - Leiderdorp NL
| Patent | Date |
|---|---|
| Methods and compositions for reducing subterranean formation permeabilities Grant 7,091,160 - Dao , et al. August 15, 2 | 2006-08-15 |
| Process for controlling gas migration during well cementing Grant 7,060,129 - Dao , et al. June 13, 2 | 2006-06-13 |
| Methods and compositions for reducing subterranean formation permeabilities App 20050288190 - Dao, Bach ; et al. | 2005-12-29 |
| Process for controlling gas migration during well cementing Grant 6,936,574 - Dao , et al. August 30, 2 | 2005-08-30 |
| Process for controlling gas migration during well cementing App 20050160947 - Dao, Bach ; et al. | 2005-07-28 |
| Process for controlling gas migration during well cementing App 20040048751 - Dao, Bach ; et al. | 2004-03-11 |
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