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Chapter and Conference Paper
Properties of Surfactant Solution for Foam-Flooding
The chemical flooding in Daqing Oilfield has entered the following water flooding stage, and about more than 50% of the crude oil remains in the reservoir. In order to maintain the sustainable and effective de...
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Chapter and Conference Paper
Post-flooding with Associative Polymer/Alkali/Surfactant Ternary System After Polymer-Enhanced Oil Recovery
Successful story has been witnessed on polymer flooding in Daqing oilfield, from which the average oil recovery factor in major reservoirs can reach 15% or even higher. However, some of reservoir blocks with p...