Sullaway; Bobby L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sullaway; Bobby L..The latest application filed is for "methods and apparatus for creating a downhole buoyant casing chamber".
- Sullaway; Bobby L. - Duncan OK
| Patent | Date |
|---|---|
| Methods and apparatus for creating a downhole buoyant casing chamber Grant 6,758,281 - Sullaway , et al. July 6, 2 | 2004-07-06 |
| Methods and apparatus for creating a downhole buoyant casing chamber Grant 6,651,748 - Sullaway , et al. November 25, 2 | 2003-11-25 |
| Methods and apparatus for creating a downhole buoyant casing chamber App 20030070816 - Sullaway, Bobby L. ; et al. | 2003-04-17 |
| Methods and apparatus for creating a downhole buoyant casing chamber App 20030070815 - Sullaway, Bobby L. ; et al. | 2003-04-17 |
| Methods and apparatus for creating a downhole buoyant casing chamber App 20030070814 - Sullaway, Bobby L. ; et al. | 2003-04-17 |
| Methods and apparatus for creating a downhole buoyant casing chamber Grant 6,505,685 - Sullaway , et al. January 14, 2 | 2003-01-14 |
| Reverse-cementing method and apparatus Grant 6,244,342 - Sullaway , et al. June 12, 2 | 2001-06-12 |
| Subsurface release cementing plug apparatus and methods Grant 5,762,139 - Sullaway , et al. June 9, 1 | 1998-06-09 |
| Well cementing plug assemblies and methods Grant 5,722,491 - Sullaway , et al. March 3, 1 | 1998-03-03 |
| Floating apparatus for well casing Grant 5,647,434 - Sullaway , et al. July 15, 1 | 1997-07-15 |
| Well casing fill apparatus and method Grant 5,641,021 - Murray , et al. June 24, 1 | 1997-06-24 |
| Leakproof floating apparatus and method for fabricating said apparatus Grant 5,472,053 - Sullaway , et al. December 5, 1 | 1995-12-05 |
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