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Polymer Flooding
In this chapter, the concept of polymer flooding and the flow characteristics of polymer solution in porous media are introduced. The enhanced oil...
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A Comprehensive Investigation of Nanocomposite Polymer Flooding at Reservoir Conditions: New Insights into Enhanced Oil Recovery
Recently, the polymer-nanoparticle combination has garnered significant interest in enhanced oil recovery (EOR) due to its promising experimental...
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Effect of Front Water Flooding Injection-Production Parameters on Polymer Flooding Recovery in a Conglomerate Reservoir
The conglomerate reservoir of the **njiang-552 oilfield is characterized by high heterogeneity and complex pore structure. After several years of...
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Combination Flooding
In this chapter, the basic concepts of combination flooding and the slug design of various combination flooding are introduced. Combination flooding...
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Use of Hyperbranched Nanocomplexes to Improve the Efficiency of Polymer Flooding
AbstractThe article considers the interaction mechanisms of nanocomplexes of various structures with the surface of pore spaces in the filtration...
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Numerical Simulation of Injection Parameters of Polymer/Surfactant Binary Composite Flooding in High Watercut Reservoir
Due to the limitations of laboratory experiments in parameter optimization of binary compound flooding systems and the uncertainty of optimization...
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A novel cationic-modified chitosan flocculant efficiently treats alkali‒surfactant‒polymer flooding-produced water
The existence of fine oil droplets that are difficult to coalesce greatly reduces the oil–water separation efficiency of alkali‒surfactant‒polymer...
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Surfactant Flooding
In this chapter, the basic concepts of surfactant flooding and various surfactant flooding methods (including active water flooding, micellar...
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Alkaline Flooding
This chapter introduces the alkaline flooding and summarizes the EOR mechanism of alkaline flooding and the types of alkaline flooding agents....
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Research on Development Effect Standards of Polymer Flooding Well Group Based on ENKF Method
Due to the differences in sedimentary parameters, as well as in the oil development and production conditions, the physical parameters of polymer...
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Characteristics of Preferential Flow Paths in Reservoirs After Polymer Flooding and an Adaptive Compound Flooding Method
When a reservoir is subjected to long-term water and polymer flooding, the formed preferential flow paths are widely distributed in the formation,...
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PAM/PEI polymer gel for water control in high-temperature and high-pressure conditions: Core flooding with crossflow effect
Polymer gel has been established as a water shut-off control agent for improved oil recovery. The role of the polymer gel in conformance control is...
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Research on Factors Influencing Weak Alkali Surfactant Polymer Flooding System
After 43 years of water drive development, the DG oilfield reached the stage of high recovery and ultrahigh watercut. At present, the efficiency of...
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Insight into hydrophobic interactions between methyl ester sulfonate (MES) and polyacrylamide in alkaline-surfactant-polymer (ASP) flooding
The interaction between methyl ester sulfonate (MES) surfactant and polyacrylamide (PAM) polymer in alkaline-surfactant-polymer (ASP) flooding due to...
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Microdisplacement Mechanism of Polymer Flooding and Distributional Characteristics of Remaining Oil in Heavy-Oil Reservoirs
Most of the heavy-oil reservoirs in China belong to little fault blocks. These reservoirs are characterized by high heavy-oil viscosity, severe...
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Factors impacting the performance of polymer-based EOR in oil reservoirs
During the tertiary stage of the oil recovery, adding the polymer components to the injected water would increase the water viscosity resulting in...
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Profile Control and Flooding of Water Injection Wells
In this chapter, profile control and flooding technology are introduced as the important technical means to enhance the oil recovery during water...
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Bioinspired Self-Assembly Polymer Based on Nucleobase for Enhanced Oil Recovery
Polymer flooding is one of the most effective tertiary oil recovery technologies, which can significantly improve the sweep efficiency of the...
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Preparation and temperature resistance mechanism of nanoparticle-enhanced polymer gel
In order to solve the problem of poor stability of HPAM (partially hydrolyzed polyacrylamide) gel as a plugging agent at 150 °C, this paper...
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Application of Well Pattern Adjustment for Offshore Polymer Flooding Oilfield: a Macro-Scale and Micro-Scale Study
The early polymer flooding development technology has been applied to the Bohai Bay oilfield. However, about 50% of the residual crude oil remains in...
