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March 1, 2026Energy & Fuels

In Situ Micro-CT Study of Nanoemulsion for Enhanced Oil Recovery in Low-Permeability Reservoirs

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Authors

HHHuang houyuanKLKexing LiWXWan Xie

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Overview

Investigates oil recovery methods in low-permeability reservoirs using nanoemulsions, suggesting improved techniques for oil extraction.

Key Points

  • The research aims to understand how nanoemulsions displace oil in low-permeability reservoirs using microscopic analysis.
  • Conducted in situ computed tomography scanning to observe oil displacement patterns.
  • Evaluated performance through core flooding experiments with variable permeability and displacement rates.
  • Measured characteristics of the nanoemulsion, including particle size and interfacial tension.
  • Nanoemulsion reduced oil-water interfacial tension significantly to approximately 10–3 mN/m.
  • Emulsion droplet size decreased to 0.72 μm, enhancing oil dispersion.
  • Oil recovery improved with greater permeability contrast and higher displacement rates during primary flooding.

Cite This Study

houyuan et al. (2026) studied this question.

synapsesocial.com/papers/69a3d8caec16d51705d2ff21https://doi.org/10.1021/acs.energyfuels.5c06146
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