Surfactant–Polymer Viscosity Effects on Enhanced Oil Recovery ...

This research conducts a case study on surfactant–polymer (SP) solutions, which demonstrated success in a pilot test at Karamay conglomerate reservoirs.

However, a higher viscosity ratio of displacing fluid in chemical EOR does not necessarily result in higher EOR efficiency due to pore-blocking ...

Polymeric surfactants for enhanced oil recovery: A review

Polymeric surfactants represent a very attractive alternative to these techniques, because they can provide simultaneously increase in water viscosity and ...

Surfactant–Polymer Viscosity Effects on Enhanced Oil Recovery ...

Surfactant–Polymer Viscosity Effects on Enhanced Oil Recovery Across Pore Structures: Microfluidic Insights from Pore Scale to Darcy Scale.

Surfactant–Polymer Flooding: Influence of the Injection Scheme - PMC

The use of standard enhanced oil recovery (EOR) techniques allows for the improvement of oilfield performance after waterflooding processes. Chemical EOR ...

Experimental Investigation of the Effect of Surfactant–Polymer ...

For cost-effective and eco-friendly EOR solutions, a biopolymer and a surfactant synthesized from Jatropha seeds are used in this study to ...

Surfactant and surfactant-polymer effects on wettability and crude oil ...

Surfactants and polymers are used in enhanced oil recovery (EOR) to reduce interfacial tension and increase the viscosity of displacing fluid, respectively.

Enhancement of oil recovery by surfactant-polymer synergy flooding

Polymers, surfactants, and the synergistic impact between them are the mainstays of EOR. The polymer increases the viscosity of the injected ...

Optimization of surfactant-polymer flooding for enhanced oil recovery

Enhanced oil recovery (EOR) is implemented to recover residual oil held up by capillary and viscous forces in porous media. This relationship ...

A Laboratory Experimental Study on Enhancing the Oil Recovery ...

The poly-surfactant agents exhibit a notable increase in viscosity, with the optimal displacement effect observed at a core effective permeability exceeding 400 ...

Insights into Enhanced Oil Recovery by Polymer‐Viscosity Reducing ...

Moreover, the polymer-viscosity reducing surfactant with higher IFT could have higher incremental oil recovery. The 2D micromodel flooding ...

Adaptability and enhanced oil recovery performance of surfactant ...

The effective swept area is greatly increased by appropriately raising the viscosity and slug size of the SP system. Compared to constant ...

Enhancement of oil recovery by surfactant-polymer synergy flooding

So, alkali-free surfactant-polymer (SP) flooding is used as a new solution for EOR. The polymer makes the displacing fluid have a high viscosity ...

(PDF) Surfactant and Surfactant-Polymer Flooding for Enhanced Oil ...

In each case chase water was used to maintain the pressure gradient. The additional recovery in surfactant and polymer augmented surfactant flooding were found ...

Effect of Viscosity of Alkaline/Surfactant/Polymer on Enhanced Oil ...

Four ASP solutions were prepared and used in the ASP flood tests. The effect on tertiary oil recovery as viscosity increased was investigated.

Experimental study on the evaluation of surfactant/polymer flooding ...

Chemical enhanced oil recovery (EOR) methods are shown to sweep the residual oil by altering physical properties of fluids after ...

Recent Advances of Surfactant‐Polymer (SP) Flooding Enhanced ...

Recently, there are increasing interests in chemical enhanced oil recovery (EOR) especially surfactant-polymer (SP) flooding.

Effect of Viscosity of Alkaline/Surfactant/ Polymer (ASP) Solution on ...

When the viscosity of an ASP solution is lower than the critical displacement viscosity, the oil recovery efficiency of ASP flooding is ...

Adaptability and enhanced oil recovery performance of surfactant ...

The effective swept area is greatly increased by appropriately raising the viscosity and slug size of the SP system. Compared to constant viscosity injection, ...

Effect of Viscosity of Alkaline/Surfactant/ Polymer (ASP) Solution on ...

When the viscosity of an ASP solution is lower than the critical displacement viscosity, the oil recovery efficiency of ASP flooding is dominated by the ...