UPDATE 1-Enbridge delays open season for bids on Mainline oil pipeline system -sources  ReutersEnbridge Inc has delayed the start of an open season to solicit bids for contracted space on its Mainline oil pipeline system, North America's largest …

Enbridge delays start of open season for bids on Mainline oil pipeline system -sources  ReutersEnbridge Inc has delayed the start of an open season to solicit bids for contracted space on its Mainline oil pipeline system, North America's largest …