Enhanced oil recovery after polymer flooding by wettability alteration ...

Effect of Wettability Parameters on Enhanced OIl Recovery

Modifying reservoir surface wetting properties is an appealing topic to the upstream oil and gas industry for enhancing hydrocarbon recovery ...

Polymer Flooding for Enhanced Oil Recovery - Stanford University

Chemical flooding includes the addition of water with some chemicals (surfactants and polymers) to enhance the oil displacement ability.

Polymer Enhanced Oil Recovery Process - Juniper Publishers

However, due to the presence of the fracture network and oil-wet matrix, oil recovery from naturally ... efficiency of surfactant to wettability ...

Wettability Alteration Mechanisms in Enhanced Oil Recovery ... - OUCI

Modifying reservoir surface wetting properties is an appealing topic to the upstream oil and gas industry for enhancing hydrocarbon recovery as the shifting ...

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

The viscosity of heavy oil typically ranges from 50 to 50000 mPa·s at reservoir temperature and pressure [1–5]. Water flooding is recognized as ...

Enhanced oil recovery: Why measure wettability at high pressures ...

The two main functions of surfactants in enhanced oil recovery is either to reduce the interfacial tension or wettability alteration. For ...

Silica Nanoparticle Assisted Polymer Flooding of Heavy Crude Oil

Polymer flooding based enhanced oil recovery (EOR) has been proven to be effective and successful for heavy crude oil systems due to its ability to achieve ...

Enhancement of oil recovery by surfactant-polymer synergy flooding

Additionally, study analysis demonstrates that SP flooding and alternative polymer injection, when employed at the same cost, can enhance EOR ...

Polymeric Surfactant Flooding for Improved Oil Recovery

The pressing need for innovative solutions in Enhanced Oil Recovery (EOR) practices, arising from the depletion of mature oilfields, has driven the ...

Polymer flooding: Current status and future directions

Polymer flooding is an enhanced oil recovery (EOR) method that utilizes high molecular weight (Mw) polymers to increase viscosity of injected ...

Simulation of Chemical Flood Enhanced Oil Recovery Processes ...

The purpose of this simulation study was to determine the effects of wettability and wettability alteration on surfactant/polymer flooding in carbonate ...

Efficiency of enhanced oil recovery using polymer-augmented low ...

The main recovery mechanism behind low salinity waterflooding is wettability alteration to more water-wet state. On the other hand, polymer ...

Application of Polymers for Chemical Enhanced Oil Recovery - MDPI

Of the numerous chemical EOR methods, polymers have distinct properties and high efficiency. In fact, numerous field applications of polymer flooding have been ...

Recent Advances in Nanoparticles Enhanced Oil Recovery ...

Chemically enhanced oil recovery methods are utilized to increase the oil recovery by improving the mobility ratio, altering the wettability ...

Hydrophobic Polymers Flooding - IntechOpen

Polymer flooding through hydrophobically associated polyacrylamides (HAPAM) is a widely implemented EOR-technique, so they attracted much attention on both ...

Enhancement of oil recovery by surfactant-polymer synergy flooding

As a result, SP flooding is a more practical approach to enhance oilfield EOR. The research status of several surfactant and polymer types for ...

An overview of chemical enhanced oil recovery: recent advances ...

Besides, the injected chemicals results in wettability alteration of the rock to increase oil permeability [14]. The well-known traditional chemical EOR methods ...

Why is wettability important in enhanced oil recovery?

The purpose of the wettability alteration is to change the wetting state of the rock to be more water-wet. Several factors, including crude oil, ...

A comprehensive review of viscoelastic polymer flooding in ... - Nature

Polymer flooding is a proven chemical Enhanced Oil Recovery (cEOR) method that boosts oil production beyond waterflooding.

Polymer Enhanced Oil Recovery - North Sea Transition Authority

How does polymer. EOR work? In an offshore reservoir, polymer EOR is designed to improve the sweep of existing water flood systems. In traditional water ...