Recent Advances in Polymer Flooding in China
A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Macromolecular Chemistry".
Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 14377
Special Issue Editors
Interests: polymer flooding; water flooding; waterflood optimization; invalid water circulation treatment
Interests: porous media flow; discrete fracture modeling; upscaling; digital rock physics; closed-loop production optimization and enhanced oil recovery in subsurface hydrocarbon engineering
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Special Issue Information
Dear Colleagues,
Polymer flooding is the most mature chemical-enhanced oil recovery (EOR). When water-soluble macromolecule polymers, such as synthetic partially hydrolyzed polyacrylamide(HPAM), biopolymers (xanthan gum, Sclerolglucan, Schizophyllan) were injected, the viscosity ratio of water and oil can be improved, which leads to a significant improvement in the sweep efficiency. The improved oil-water viscosity or mobility ratio can alleviate viscous fingering. Polymers can also improve the displacement efficiency due to its viscoelastic effects, as many researchers believed. Polymer flooding in China was first field tested in 1971 in Daqing and put into commercial application in 1996 in many oilfields. Incremental oil recovery can be as high as 15% original oil in place in Daqing, where oil production from polymers remained the highest for a long time. A summary of polymer flooding theory and practice in China could thus be helpful to reduce the cost and improve performance. All aspects regarding polymer flooding are welcome for the Special Issue.
Prof. Dr. Kaoping Song
Dr. Daigang Wang
Prof. Dr. Feng Yan
Guest Editors
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Keywords
- polymer flooding
- chemical EOR
- produced water with polymers
- biopolymers
- viscous oil recovery
- polymer thermal stability
- high temperature high salinity reservoirs
- polymer gels
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