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Larry WEIERS
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Calgary, CA
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Patents Grants
last 30 patents
Information
Patent Grant
In situ combustion in gas over bitumen formations
Patent number
8,215,387
Issue date
Jul 10, 2012
Encana Corporation
Larry Weiers
E21 - EARTH DRILLING MINING
Information
Patent Grant
In situ combustion in gas over bitumen formations
Patent number
8,167,040
Issue date
May 1, 2012
Encana Corporation
Larry Weiers
E21 - EARTH DRILLING MINING
Information
Patent Grant
In situ combustion in gas over bitumen formations
Patent number
7,900,701
Issue date
Mar 8, 2011
Encana Corporation
Larry Weiers
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
IN SITU COMBUSTION IN GAS OVER BITUMEN FORMATIONS
Publication number
20120175110
Publication date
Jul 12, 2012
Larry Weiers
E21 - EARTH DRILLING MINING
Information
Patent Application
IN SITU COMBUSTION IN GAS OVER BITUMEN FORMATIONS
Publication number
20110272149
Publication date
Nov 10, 2011
Encana Corporation
Larry WEIERS
E21 - EARTH DRILLING MINING
Information
Patent Application
In Situ Combustion in Gas Over Bitumen Formations
Publication number
20080093071
Publication date
Apr 24, 2008
Larry Weiers
E21 - EARTH DRILLING MINING