The reserves will be needed as the companies ready themselves for export opportunities.
Shell, San Ramon, Chevron, BG Group and Petronas are just some of the companies looking at LNG export projects on the west coast.
Meanwhile in Alberta, interest in oil sands deals is waning, with major companies backing away from agreements for oil sands assets.
A Calgary-based lawyer points to worries about whether Alberta will be able to export its energy anywhere other than the States.
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