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Traveling wave solutions describing the foam flow in porous media for low surfactant concentration
We present a foam displacement model with a separate balance equation for the surfactant concentration in the aqueous phase. We consider the gas...
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Impact of Surfactant Concentration on Chemical-Assisted Methane Flooding in Foamy Oil Reservoirs
The primary recovery factor of extra-heavy oils with foamy oil flow characteristic is only 8–12%. In previous studies, an approach of...
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Rapid evaluation model for EOR techniques applicability of gas flooding, foam flooding and surfactant flooding based on modified fractional flow theory
Before a wide range of enhanced oil recovery (EOR) techniques were implemented for an oilfield, the EOR potential and economic evaluation of the...
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Research on Reservoir Dynamic Retention Rule and Oil Displacement Effect of Polymer-Surfactant Agent Flooding
After polymer flooding in the main reservoir of Daqing Oilfield, about 50% of the reserves remain underground, which is an important potential for...
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Oil Ganglia Mobility Enhancement by Droplet Formation for Surfactant Flooding in Porous Media
We study the formation of oil droplets from an initially trapped large oil ganglion under surfactant flooding, using a microfluidic device consisting...
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Optimization of surfactant-polymer flooding for enhanced oil recovery
Chemical enhanced oil recovery applications continue to face a variety of obstacles, particularly in high saline and high-temperature reservoirs, in...
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Numerical effects on the simulation of surfactant flooding for enhanced oil recovery
Numerical simulation of surfactant flooding using conventional reservoir simulation models can lead to unreliable forecasts and bad decisions due to...
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Surfactant/Foam Processes in Shallow Subsurface Remediation: Evaluation of Foams as a Blocking Agent
Many shallow ex-situ and in-situ remediation treatments come from the contamination of underground soils and groundwater sources by organic...
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Synergistic Effects of Microbial Polysaccharide Mixing with Surfactant on Enhanced Oil Recovery
Biopolymer flooding is one of the most recently developed technologies to enhance oil recovery (EOR). A novel exopolysaccharide named WL is produced...
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Application of Polymer-Surfactant Flooding in Ultra-Low Permeability Reservoir in Jiyuan Area
The ultra-low permeability reservoir in the Jiyuan Oil field exhibits intricate injection-production relationships following multiple cycles of water...
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Experimental study on the evaluation of surfactant/polymer flooding for enhancing oil recovery in Kumkol Oil Field
Chemical enhanced oil recovery (EOR) methods are shown to sweep the residual oil by altering physical properties of fluids after waterflooding to...
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A novel alkali-surfactant for optimization of filtercake removal in oil–gas well
The main objective of this study is to improve the oil-based filtercake removal at the wellbore second interface through chemical method....
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A discontinuous Galerkin method for a diffuse-interface model of immiscible two-phase flows with soluble surfactant
A numerical method using discontinuous polynomial approximations is formulated for solving a phase-field model of two immiscible fluids with a...
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Simulation of two-phase flow by injecting water and surfactant into porous media containing oil and investigation of trapped oil areas
Nowadays, as the oil reservoirs reaching their half-life, using enhanced oil recovery methods is more necessary and more common. Simulations are the...
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Extraction, characterization and evaluation of saponin-based natural surfactant for enhanced oil recovery
To minimize environmental impact and costs, natural surfactants are suggested as an ecologically sustainable replacement for synthetic surfactants....
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Polymer molecular morphology in alkali-surfactant-polymer (ASP) ternary composite system and its influence on rock pore structure
In this research, the molecular wire cluster size of alkali-surfactant-polymer (ASP) ternary system was measured by laser scattering method. The...
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An experimental investigation of surfactant structure–property relationship for foam mobility control in thermal EOR processes
The injection of steam into a viscous oil reservoir as an enhanced oil recovery method is a mature technology. However, due to steam’s high mobility,...
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Surfactant-supported organoclay for removal of anionic food dyes in batch and column modes: adsorption characteristics and mechanism study
This study aimed to create CTAB-modified bentonite organoclay (Bt@CTAB) by mixing the naturally occurring mineral bentonite (Bt) with the cationic...
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Wastewater Pollution Prevention for volatile organic compounds (Benzene, Toluene, Ethylbenzene, and Xylene) using cloud point extraction and regeneration of surfactant by evaporation
The aim of this work was the cloud point extraction (CPE) of volatile organic compounds, namely benzene, toluene, ethylbenzene, and p -xylene (BTEX),...
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Evaluation of SDS nano-surfactant for EOR application in a carbonate oil reservoir
Nano-surfactant of sodium dodecyl sulfate (SDS) was synthesized to be evaluated as a new chemical enhanced oil recovery agent for the application in...
