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 the sale agreement, these stations also continue to participate in PC Optimum. Imperial Oil Imperial Oil Limited "(French: L'Impériale)" is a Canadian petroleum company. It is Canada's second-biggest integrated oil company. Exxon Mobil Corp. has a 69.6 percent ownership stake in the company. It is a significant producer of crude oil, diluted bitumen and natural gas, Canada’s major petroleum refiner, a key petrochemical producer and a national marketer with coast-to-coast supply and retail networks. Its retail operations include Esso-brand service stations and On the Run/Marché Express and Tiger Express-brand convenience stores. It is also known for its holdings in the