EROEI Estimates For Shale Oil
Results of a quick search on the web:
– Wikipedia – Oil Shale – Study from 1984 indicates EROEI values between 3-10.
– Executive summary refers to study by Adam Brandt, giving EROEI values like 2.5 for shale oil.
– European Commission quotes study that rejects oil from shale as not viable, based on low values of EROI. [source]
– APPENDIX D TAR SANDS/OIL SANDS – M.C. Herweyer, A. Gupta [source]
“Reported EROIs (energy return on investments) are generally in the range of 1.5-4, with a few extreme values between 7-13.”