Frances Lai

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Methods of improving heavy oil production
- Patent number 7,717,175
- Issue date May 18, 2010
- Nexen Inc.
- Bernard Compton Chung
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Methods of Improving Heavy Oil Production
- Publication number 20070181299
- Publication date Aug 9, 2007
- Nexen Inc
- Bernard Compton Chung
- E21 - EARTH DRILLING MINING