Sarlak, MohammadReed, JulesLaw , StuartMcCue, AlanTanino, Yukie2025-04-092025-04-092025-01Sarlak, M, Reed, J, Law , S, McCue, A & Tanino, Y 2025, 'Water and Oil Volume Measurement Using UV–Visible Spectroscopy', Transport in Porous Media, vol. 152, no. 1, 5. https://doi.org/10.1007/s11242-024-02140-60169-3913ORCID: /0000-0002-5766-0515/work/182229593ORCID: /0000-0002-4404-6102/work/182229798https://hdl.handle.net/2164/25272Any opinions, conclusions, or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of Premier Corex Ltd. XRD analyses (bulk and clay) were performed by X-Ray Mineral Services Ltd. CT scan was performed by Core Technical Services (CTS) Ltd; the authors thank CTS for the acquisition of the CT images. The authors thank Dr. Amir Heidari for his assistance in performing the relative permeability experiments. The authors also thank the three anonymous reviewers.211473606engUV-visible spectroscopyCorefloodingUnsteady stateWater-oil displacementRelative permeabilityTA Engineering (General). Civil engineering (General)TAJournal article10.1007/s11242-024-02140-61521