Craig Coull

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Hundvag, NO

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for modeling well designs and well performance
- Patent number 8,463,585
- Issue date Jun 11, 2013
- Baker Hughes Incorporated
- Kai Sun
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Wellbore Shut Off Valve with Hydraulic Actuator System
- Publication number 20100300702
- Publication date Dec 2, 2010
- BAKER HUGHES INCORPORATED
- Thad D. Andrews
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and Method for Modeling Well Designs and Well Performance
- Publication number 20100299124
- Publication date Nov 25, 2010
- BAKER HUGHES INCORPORATED
- Kai Sun
- E21 - EARTH DRILLING MINING