The results of analysis of the uploaded binary image sets have been already published in: Khanamiri, H. H., Torsæter, O., Stensen, J. Å. "Pore-Scale Observation of Residual Oil in Low Salinity Surfactant Flooding", presented at the Symposium of the Society of the Core Analysts, St. Jones, Canada, Aug 2015. The paper is available for download at http://www.jgmaas.com/SCA/2015/SCA2015-053.pdf The zip file is a collection of 6 data sets numbered from zero to five. Name of the data set after the number indicates the step of the injection experiment the data set represents. Data set zero represents the structure of the porous rock (dry scan). In addition, the expression inside the parentheses at the end of the name is the same as what has been used in the above-mentioned paper, particularly in the figures.