Christopher R. Chia

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for estimating a position of a wellbore
- Patent number 6,736,221
- Issue date May 18, 2004
- Schlumberger Technology Corporation
- Christopher R. Chia
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method for estimating a position in a wellbore
- Publication number 20030121657
- Publication date Jul 3, 2003
- Christopher R. Chia
- E21 - EARTH DRILLING MINING