Portland Montreal Oil Pipeline

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Summary Information

  • Source: South Portland, Maine, USA
  • Destination: Montreal, Quebec, Canada
  • Ownership: Montreal Pipe Line Limited (MPLL)
  • Website: http://www.pmpl.com/
  • Length: kilometres (236 miles)
  • Capacity: 600,000 barrels of oil per day
  • Crude Type:

Brief Description

  • The pipelines deliver crude oil directly to a refinery in Montreal, Quebec and through connections with other pipelines in Montreal, the system provides crude requirements for other refineries in the province of Ontario.
  • The system has one 18" and one 24" pipeline

Pipeline Status

  • Capacity utilisation on the pipeline is very low, due to increased Canadian crude production and refinery closures
  • The company is assessing the possibility of reversing the pipeline, to export Canadian crudes
  • See Portland-Montreal Oil Pipeline Reversal Project


  • 1941 - Company formed
  • 1950 - 18-inch pipeline was constructed
  • 1965 - 24-inch pipeline constructed
  • 1982 - 12-inch line decommissioned
  • 1999 - Service activated between Montreal and Sarnia
  • 2008 - Pipeline reversal project study announced

Other Information

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