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Ben Nzekwu
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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
Information
Patent Grant
Hydrocarbon recovery facilitated by in situ combustion utilizing ho...
Patent number
7,516,789
Issue date
Apr 14, 2009
EnCana Corporation
Harbir S. Chhina
E21 - EARTH DRILLING MINING
Information
Patent Grant
Single horizontal wellbore gravity drainage assisted steam flooding...
Patent number
5,626,193
Issue date
May 6, 1997
Elan Energy Inc.
Ben I. Nzekwu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Horizontal well gravity drainage combustion process for oil recovery
Patent number
5,456,315
Issue date
Oct 10, 1995
Alberta Oil Sands Technology and Research
Kenneth E. Kisman
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
Hydrocarbon Recovery Facilitated by in Situ Combustion Utilizing Ho...
Publication number
20080264635
Publication date
Oct 30, 2008
Harbir S. Chhina
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