Improvements relating to hydrocarbon recovery

摘要

A method of assessing the hydrocarbon recovery efficacy of a fluid, the method comprising: introducing a hydrocarbon sample into a microchannel region of a microfluidic device; introducing the fluid into the microchannel region to mobilise the hydrocarbon sample; and detecting a distribution of the hydrocarbon sample in the microchannel region with an optical detector. Suitable apparatus are also described.