Jack Robbins

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-zone, single trip well completion system and methods of use
- Patent number 7,490,669
- Issue date Feb 17, 2009
- BJ Services Company
- David J. Walker
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Multi-zone, single trip well completion system and methods of use
- Publication number 20070084605
- Publication date Apr 19, 2007
- David J. Walker
- E21 - EARTH DRILLING MINING