Andrew J. Bradbury

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Patents Applicationslast 30 patents

Information Patent Application
Additive for increasing the density of an oil-based fluid and fluid...
- Publication number 20040127366
- Publication date Jul 1, 2004
- M-I L.L.C.
- Andrew J. Bradbury
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Additive for increasing the density of a fluid for casing annulus p...
- Publication number 20030203822
- Publication date Oct 30, 2003
- Andrew J. Bradbury
- E21 - EARTH DRILLING MINING