What does this research mean for the field?

Capillary hysteresis functions as an active displacement-control mechanism that significantly dictates oil entrapment and remobilization, rather than a passive secondary effect in enhanced oil recovery (EOR) design. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.CHALLENGES_CONSENSUS.

What question did this study set out to answer?

To examine capillary hysteresis-driven mechanisms in porous media and evaluate their impact on fluid trapping, mobilization, and displacement efficiency in enhanced oil recovery.

August 22, 2026Egyptian Journal of PetroleumOpen Access

A Comprehensive Review of Capillary Hysteresis–Driven Mechanisms in Enhanced Oil Recovery

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Authors

BGBayram GasimovAzerbaijan State Oil and Industry University

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Implication

Review reveals capillary hysteresis drives pore-scale fluid trapping and remobilization during enhanced oil recovery, indicating hysteresis is an active mechanism for displacement control.

Key Points

To examine capillary hysteresis-driven mechanisms in porous media and evaluate their impact on fluid trapping, mobilization, and displacement efficiency in enhanced oil recovery.
Reviewed experimental data, theoretical frameworks, pore-scale imaging, and numerical simulations related to capillary pressure and relative permeability hysteresis.
Analyzed the effects of drainage-imbibition path dependency, contact angle hysteresis, cyclic displacement processes, and displacement rates.
Capillary hysteresis alters saturation-pressure-mobility relationships, with mechanisms such as snap-off, the ink-bottle effect, and contact-line pinning driving residual oil entrapment in isolated ganglia.
Techniques including surfactant flooding, low-salinity waterflooding, nanofluids, and water-alternating-gas injection modify hysteresis effects to restore fluid connectivity and remobilize trapped oil.

Cite This Study

Bayram Gasimov (2026) studied this question.

synapsesocial.com/papers/6a895ffeca7ade938187efb4 https://doi.org/10.62593/2090-2468.1133

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Implication

Review reveals capillary hysteresis drives pore-scale fluid trapping and remobilization during enhanced oil recovery, indicating hysteresis is an active mechanism for displacement control.

A Comprehensive Review of Capillary Hysteresis–Driven Mechanisms in Enhanced Oil Recovery

Discussion

Member takes

Implication

Key Points

Cite This Study

A Comprehensive Review of Capillary Hysteresis–Driven Mechanisms in Enhanced Oil Recovery

Discussion

Member takes

Implication

Key Points

Cite This Study

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