David A. Chapin

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Gravity gradiometry in a wellbore using a virtual long-baseline
- Patent number 5,821,413
- Issue date Oct 13, 1998
- Atlantic Richfield Company
- David A. Chapin
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for identifying geological structures using wa...
- Patent number 5,673,191
- Issue date Sep 30, 1997
- Atlantic Richfield Company
- David A. Chapin
- G01 - MEASURING TESTING
Information Patent Grant
Isostatically corrected gravity displays
- Patent number 5,390,114
- Issue date Feb 14, 1995
- Atlantic Richfield Company
- David A. Chapin
- G01 - MEASURING TESTING