Shale oil extraction Energy estimates that the "ex-situ" processing would be economic at sustained average world oil prices above $54 per barrel and "in-situ" processing would be economic at prices above $35 per barrel. These estimates assume a return rate of 15%. Royal Dutch Shell announced in 2006 that its Shell ICP technology would realize a profit when crude oil prices are higher than $30 per barrel ($190/m), while some technologies at full-scale production assert profitability at oil prices even lower than $20 per barrel ($130/m). To increase the efficiency of oil shale retorting and by this the viability of the shale oil
Imperial Oil Building in the mid 1920s. The church building remains vacant as of late 2016, but it is slated for incorporation into a new condominium development, named "Blue Diamond". The Imperial Oil building was sold in the summer of 2010 to condominium developer Camrost-Felcorp, which then began converting it into a condominium apartment building. At the same time, the church building next door was sold to a related developer, who subsequently sold a major interest to Camrost-Felcorp. The Imperial Oil building is now known as "Imperial Plaza". In addition to residential condominium units, the building includes an LCBO store and an upscale