Weirich; John B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Weirich; John B..The latest application filed is for "large inside diameter completion with position indication".
- Weirich; John B. - Spring TX
- Weirich; John B. - Stavanger NO
- Weirich; John B. - Tomball TX
| Patent | Date |
|---|---|
| Large inside diameter completion with position indication Grant 7,721,810 - Weirich May 25, 2 | 2010-05-25 |
| Large Inside Diameter Completion with Position Indication App 20090188676 - Weirich; John B. | 2009-07-30 |
| Expandable injector pipe Grant 7,438,131 - Weirich October 21, 2 | 2008-10-21 |
| Drilling systems with sensors for determining properties of drilling fluid downhole Grant 6,176,323 - Weirich , et al. January 23, 2 | 2001-01-23 |
| Fluids for use in drilling and completion operations comprising water insoluble colloidal complexes for improved rheology and filtration control Grant 5,919,738 - Norfleet , et al. July 6, 1 | 1999-07-06 |
| Method for completing a non-vertical portion of a subterranean well bore Grant 4,915,172 - Donovan , et al. April 10, 1 | 1990-04-10 |
| Method and apparatus for completing a non-vertical portion of a subterranean well bore Grant 4,856,591 - Donovan , et al. August 15, 1 | 1989-08-15 |
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