Mechanism of the vapor extraction process for heavy oil and bitumen

Physical chemistry of surfaces

Choice Reviews Online · 1998 · 11.7K citations

Natural Sciences, Chemistry, Materials Science +17

Theoretical studies on the gravity drainage of heavy oil during in‐situ steam heating

R.M. Butler, G. S. McNab, Hing Y. Lo · The Canadian Journal of Chemical Engineering · 1981 · 454 citations

Engineering, Petroleum Engineering, Heavy Oil Recovery +16

The Gravity Drainage of Steam-heated Heavy Oil to Parallel Horizontal Wells

R.M. Butler, D.J. Stephens · Journal of Canadian Petroleum Technology · 1981 · 423 citations

Engineering, Petroleum Engineering, Heat Transfer +16

Asphaltene Adsorption and Desorption From Mineral Surfaces

Stuti Dubey, M. H. Waxman · SPE Reservoir Engineering · 1991 · 225 citations

Natural Sciences, Chemistry, Earth Sciences +16

Diffusion coefficients of propane and butane in peace river bitumen

Swapan K. Das, Roger M. Butler · The Canadian Journal of Chemical Engineering · 1996 · 170 citations

Engineering, Chemical Engineering, Chemistry +13