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Visual Investigation of Extra-heavy Oil Recovery by CO²/N2 Foam Injection
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, IOR 2011 - 16th European Symposium on Improved Oil Recovery, Apr 2011, cp-230-00017
- ISBN: 978-90-73834-07-1
Abstract
Compared to light oil, application of CO2 injection in heavy oil reservoirs has received much less attention. CO2 lacks acceptable sweep efficiency due to a large viscosity contrast between CO2 and heavy oil and the displacement process is almost always i