Flanagan South Oil Pipeline

From Global Energy Monitor
This article is part of the Global Fossil Infrastructure Tracker, a project of Global Energy Monitor.

Flanagan South Oil Pipeline, also called Enbridge Line 59, is an oil pipeline in the United States.[1][2]


The pipeline runs from Enbridge's Flanagan Oil Terminal near Pontiac, Illinois, to Cushing, Oklahoma, via Missouri and Kansas.[3]

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Project Details

  • Operator: Enbridge[1]
  • Capacity: 585,000 barrels per day (bpd)[3]
  • Length: 593 miles (965 km)[3]
  • Diameter: 36-inches[3]
  • Status: Operating[3]
  • Start Year: 2014[3]


The Flanagan South Pipeline is an interstate crude oil petroleum pipeline developed by Canadian energy company Enbridge to deliver crude oil from North Dakota's Bakken region and the western Canadian region to US Gulf Coast refineries.. The 593-mile (965 km) pipeline with a 36in-diameter runs from Flanagan, Illinois, to Cushing, Oklahoma. Construction contracts for the US$2.7 billion pipeline were awarded in 2013, and construction work began in the same year. The pipeline was operational in December 2014 with a capacity of 585,000 bpd.[1]


The pipeline runs adjacent to Enbridge's existing Spearhead Oil Pipeline from the Flanagan terminal in Illinois to the Cushing terminal in Oklahoma, with deviations at a few locations. The crude oil supplied through Flanagan South Pipeline to Enbridge's Cushing terminal is sent to Gulf Coast refineries via the Seaway Oil Pipeline System, jointly owned by Enbridge and Enterprise.[1]

Articles and resources


  1. 1.0 1.1 1.2 1.3 Flanagan South Oil Pipeline, Hydrocarbons-Technology, accessed September 2017
  2. Enbridge’s Energy Infrastructure Assets Enbrdige, July 22, 2020
  3. 3.0 3.1 3.2 3.3 3.4 3.5 Petroleum & Other Liquids, Movements, Energy Information Administration, June 4, 2020

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