LARRY J. CHRUSCH

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CALGARY, CA

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for initiating annular obstruction in a subsurf...
- Patent number 8,297,368
- Issue date Oct 30, 2012
- Chevron U.S.A. Inc.
- Thomas G. Corbett
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR INITIATING ANNULAR OBSTRUCTION IN A SUBSURF...
- Publication number 20110094756
- Publication date Apr 28, 2011
- Chevron U.S.A. Inc.
- THOMAS G. CORBETT
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEMS AND METHODS FOR INITIATING ANNULAR OBSTRUCTION IN A SUBSURF...
- Publication number 20110094755
- Publication date Apr 28, 2011
- Chevron U.S.A. Inc.
- THOMAS G. CORBETT
- E21 - EARTH DRILLING MINING