TY  - SER
AU  - Reinsch,Tony
TI  - Creating an energy future
KW  - Petróleos pesados
KW  - Venezuela
KW  - Canadá
N2  - With oil prices appearing to have settled in the $45-55/b range and with renewed debate over a looming plateau in conventional oil production, attention is once more turning to the promise and potential of nonconventional oil
ER  -