John Willis

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for sub-salt migration velocity analysis
- Patent number 7,609,585
- Issue date Oct 27, 2009
- PGS Geophysical AS
- Junru Jiao
- G01 - MEASURING TESTING
Information Patent Grant
Method for depth migrating seismic data using pre-stack time migrat...
- Patent number 7,388,808
- Issue date Jun 17, 2008
- PGS Americas, Inc.
- Shu-Schung Lee
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Method for sub-salt migration velocity analysis
- Publication number 20070263487
- Publication date Nov 15, 2007
- Junru Jiao
- G01 - MEASURING TESTING
Information Patent Application
Method for depth migrating seismic data using pre-stack time migrat...
- Publication number 20060062083
- Publication date Mar 23, 2006
- Shu-Schung Lee
- G01 - MEASURING TESTING