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Related Experiment Video

Updated: Jul 6, 2026

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Published on: December 24, 2014

Fingering instability in immiscible displacement.

Alexander Babchin¹, Irina Brailovsky, Peter Gordon

¹Heavy Oil and Oil Sands, Alberta Research Council, Edmonton, Alberta T6N 1E4, Canada. babchin@arc.ab.ca

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|March 21, 2008

Summary

Researchers developed a new model for water-oil displacement in porous media, improving upon classical Buckley-Leverett theory. The model accurately captures the finger-like patterns seen in simulations, offering insights into fluid dynamics.

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Microfluidic Devices for Characterizing Pore-scale Event Processes in Porous Media for Oil Recovery Applications

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Published on: January 16, 2018

Area of Science:

Fluid dynamics
Porous media physics
Multiphase flow

Background:

The Buckley-Leverett theory is a classical model for two-phase immiscible flow.
Understanding water-oil displacement dynamics in porous media is crucial for various applications, including oil recovery and carbon sequestration.
Recent direct numerical simulations have revealed complex finger-forming dynamics that challenge classical models.

Purpose of the Study:

To formulate a reduced evolution equation for the water-oil displacement front.
To numerically study the dynamics predicted by this reduced model.
To assess the model's ability to reproduce observed finger-forming phenomena.

Main Methods:

Development of a simplified, reduced evolution equation for the displacement front.
Numerical simulation of the reduced equation.
Comparison of simulation results with findings from direct numerical simulations.

Main Results:

The reduced model was successfully formulated and studied numerically.
The model accurately reproduces the key features of finger-forming dynamics.
This suggests the reduced model captures essential physics of the displacement process.

Conclusions:

The developed reduced model offers a simplified yet effective approach to studying water-oil displacement fronts.
The model's success in reproducing finger-forming dynamics validates its utility.
This work provides a new tool for analyzing complex fluid flow in porous media.