Rudiger Oberste-Padtberg

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St-Etienne, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process and composition for cementing wells passing through salt fo...
- Patent number 5,006,177
- Issue date Apr 9, 1991
- Dowell Schlumberger Incorporated
- Rudiger Oberste-Padtberg
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for plugging subterranean formations
- Patent number 4,838,352
- Issue date Jun 13, 1989
- Dowell Schlumberger Incorporated
- Rudiger Oberste-Padtberg
- E21 - EARTH DRILLING MINING