A month into Alberta’s mandatory oil curtailment and rationing on the country’s biggest heavy-crude export pipeline system has eased, but very little. Apportionment, the percentage by which each shipper’s nominated volume is reduced in order to meet a pipeline’s capacity, will be 39% on the heavy oil line 4/67 of Enbridge Inc.’s mainline system out of Kerrobert, Saskatchewan, in February versus 42% in January, the company said on Monday. Apportionment on light oil line 2/3, by contrast, increased in February to 46% from 43% in January. Alberta’s government mandated that producers must cut output collectively by ... (full story)