Enbridge Line 9 Oil Pipeline

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Oil Pipelines in Canada

Enbridge Oil Pipelines

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Summary Information

  • Source: Montreal, Quebec
  • Destination: Sarnia, Ontario
  • Ownership: Enbridge
  • Website: http://www.enbridge.com
  • Length: 831 km (550 miles)
  • Capacity: 240,000 barrels of oil per day
  • Crude Type: Offshore Crude

Brief Description

  • Line 9 is Line 9 is a 30 inch oil pipeline with a current capacity of 240,000 barrels per day (bpd) that extends from Montreal, Quebec to Sarnia, Ontario and currently transports offshore crude oil in a westbound direction
  • Line 9A extends from Westover to Sarnia, Ontario
  • Line 9B extends from Montreal, Quebec to Westover, Ontario
  • The pipeline serves the Nanticoke Refinery

Pipeline Status

  • In operation
  • Enbridge plans to reverse the flow of the pipeline to carry oil from Alberta to refineries in the east of Canada.
  • They also plan to increase capacity to 300,000 bpd


  • 1976 - Line 9 enters service
  • 1999 - Flow in the pipeline was reversed to bring imported oil to the west
  • 2011 - Enbridge announced reversal project for 9A
  • 2012 - Enbridge announced reversal project for 9B
  • 2012 - The NEB approves reversal of the Sarnia - North Westover section
  • 2014 - NEB approves the reversal of the Westover - Montreal section
  • 2015 - NEB approves the return to operations of Line 9

Other Information


  1. Enbridge to Expand Access to Eastern Markets for Western Crude Oil
  2. Current and Future State of Oil and Gas Pipelines and Refining Capacity in Canada
  3. NEB decides Enbridge's Line 9 reversal application will go to an oral public hearing
  4. Enbridge Proceeding With $2.6 Billion of Additional Eastern Access Projects
  5. Line 9 Reversal Phase I Project Overview
  6. NEB approves Enbridge application to reverse Line 9A flow
  7. NEB Issues Hearing Order for Enbridge Line 9B Reversal
  8. NEB Approves Line 9B Reversal and Line 9 Expansion with Conditions
  9. The NEB imposes additional obligations for Enbridge’s Line 9, approves two conditions
  10. NEB confirms Enbridge’s Line 9 hydrostatic tests meet its criteria

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