Oilfields/sources | Estimated production costs ($ 2008) |
---|---|
Mideast/N. African oilfields | 6 - 28 |
Other conventional oilfields | 6 - 39 |
CO 2 enhanced oil recovery | 30 - 80 |
Deep/ultra-deep-water oilfields | 32 - 65 |
Enhanced oil recovery | 32 - 82 |
Arctic oilfields | 32 - 100 |
Heavy oil/bitumen | 32 - 68 |
Oil shales | 52 - 113 |
Gas to liquids | 38 - 113 |
Coal to liquids | 60 - 113 |