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Partially hydrolyzed polyacrylamide: enhanced oil recovery

One of the most important use of polyacrylamide is in subsurface applications such as enhanced oil recovery (polymer flooding), where high viscosity aqueous solutions are injected to improve the economics of conventional water flooding.

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An overview of chemical enhanced oil recovery: recent

flooding and gel treatment agent in enhanced oil recovery. Recent developments, performance, applications and limitations of polyacrylamides and its derivatives, including copolymers and hydrogels for enhancing oil recovery are reviewed. A water-free suspension system was developed to synthesize PAMs and PAMs-microgel.

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Secondary and Tertiary Oil Recovery Processes | SpringerLink

In the presence of alkali, the injection of high molecular weight PAA resulted in the reduction of fluid flow into the medium and low permeability cores with 70 to 75 percent of the tertiary oil being recovered from the high permeability core.

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Polymers for enhanced oil recovery: fundamentals and

Polymer Flooding for Enhanced Oil Recovery Georgy Zerkalov November 27, 2015 Submitted as coursework for PH240 , Stanford University, Fall 2015 Introduction Fig. 1: Fingering effect promoted by the unfavorable mobility ratio (top), and good oil recovery facilitated by the use of polymer flooding (bottom). (Source: G. Zerkalov)

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