Tanino, YukieZacarias Hernandez, XanatChristensen, Magali2018-01-242018-01-242018-02Tanino, Y, Zacarias Hernandez, X & Christensen, M 2018, 'Oil/water displacement in microfluidic packed beds under weakly water-wetting conditions : competition between precursor film flow and piston-like displacement', Experiments in Fluids, vol. 59, 35. https://doi.org/10.1007/s00348-018-2490-70723-4864ORCID: /0000-0002-5766-0515/work/45654446http://hdl.handle.net/2164/9936This paper contains work supported by the Royal Society Research Grant RG140009. XZH was supported by the Mexican National Council for Science and Technology, Mexico. The authors gratefully acknowledge Stephen A. Bowden for the absorption spectra (Fig. 3), Bernard Kombe for measuring the permeability of the packed beds and for his contribution to one of the microfluidic experiments, Munasuonyu Walter for the SEM image of crushed marble (Fig. 1) originally published in Bowden et al. 2016, Luca Romanello for providing unpublished viscosity and density measurements from his MSc thesis (Romanello, 2015), Aleksei Gunkin for his insights on post-processing, Paul Hallet for allowing MC access to their tensiometer, and Corex (UK) Ltd. for allowing Luca Romanello and MC access to their viscometer. We thank the three anonymous reviewers for their detailed comments. Open Access via Springer Compact Agreement.2401240engfilm flowpore-scale imagingmultiphase flowporous mediaimbibitionfingeringroughnessTA Engineering (General). Civil engineering (General)TAJournal article10.1007/s00348-018-2490-759