By Scott HaggettCALGARY, Alberta, July 8 | Mon Jul 8, 2013 12:59am EDT CALGARY, Alberta, July 8 (Reuters) – Pilot projects in an as-yet undeveloped oilfield could remake Canada’s energy map, if producers can successfully wrest a sludgy, tarry substance called bitumen from porous rock...Canada's energy sector taps bitumen, sticky rival to oil sands
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