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Dennis C. Wegener
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Patents Grants
last 30 patents
Information
Patent Grant
Wireline retrievable dsg/downhole pump system for cyclic steam and...
Patent number
8,079,417
Issue date
Dec 20, 2011
ConocoPhillips Company
Dennis C. Wegener
E21 - EARTH DRILLING MINING
Information
Patent Grant
Heavy oil viscosity reduction and production
Patent number
6,279,653
Issue date
Aug 28, 2001
Phillips Petroleum Company
Dennis C. Wegener
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and apparatus for enhancing well production using sonic energy
Patent number
6,186,228
Issue date
Feb 13, 2001
Phillips Petroleum Company
Dennis C. Wegener
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for stimulating an oil bearing reservoir
Patent number
4,726,759
Issue date
Feb 23, 1988
Phillips Petroleum Company
Dennis C. Wegener
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
WIRELINE RETRIEVABLE DSG/DOWNHOLE PUMP SYSTEM FOR CYCLIC STEAM AND...
Publication number
20080302523
Publication date
Dec 11, 2008
ConocoPhillips Company
Dennis C. Wegener
E21 - EARTH DRILLING MINING