(EnergyAsia, March 9 2011, Wednesday) — The Canadian government is expected to approve PetroChina Co Ltd’s proposed C$5.4 billion acquisition of a 50% stake in Encana Corp’s Cutbank Ridge assets in the western provinces of British Columbia and Alberta, Canada. (US$1.00=C$0.98).The assets include 1.3 million acres of land, approximately 700-million-cubic-feet-per-day processing capacity, 3,400 km of…