Pre-Darcy flow revisited under experimental investigation

Fahd Siddiqui, Mohamed Y. Soliman, Waylon House, Akif Ibragimov

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


Background: Sufficient literature has been published about Pre-Darcy flow in non-petroleum disciplines. Investigators dissent about the significance of deviation of Darcy’s law at very low fluid velocities. Most of their investigations are based on coarse, unconsolidated porous media with an aqueous fluid. However little has been published regarding the same for consolidated oil and gas reservoirs. If a significant departure from Darcy’s law is observed, then this could have multiple implications on: reservoir limit tests, under prediction of reserves, unrecognized prospecting opportunities etc. Methods: This study performs a comprehensive review of the literature. Experiments were conducted to confirm the presence and the significance of Pre-Darcy flow effect in petroleum rocks. Results: The review of literature and experiments indicate the presence of Pre-Darcy effect. Contributing factors to Pre-Darcy effect are discussed and some reasons causing this effect are postulated. The experiments also show that this effect is significant. Conclusion: Pre-Darcy effect is significant because it is the dominant flow regime in typical petroleum reservoirs.

Original languageEnglish
Article number2
JournalJournal of Analytical Science and Technology
Issue number1
StatePublished - Dec 1 2016


  • Fluid flow through porous media
  • Non-Darcy flow
  • Pre-Darcy flow


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