Philippe G. Herve

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St. Andre des Eaux, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for inspecting well bore casing
- Patent number 6,188,643
- Issue date Feb 13, 2001
- Schlumberger Technology Corporation
- Kenneth K. Liang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for inspecting well bore casing
- Patent number 5,717,169
- Issue date Feb 10, 1998
- Schlumberger Technology Corporation
- Kenneth K. Liang
- E21 - EARTH DRILLING MINING