Maurepas Oil Pipeline

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

Maurepas Oil Pipeline is an operating oil pipeline in Louisiana, USA.[1]


The project includes three oil transmission pipelines running between the LOCAP Oil Terminal in St. James, Louisiana to the Norco Oil Refinery in Norco, Louisiana, to the Convent Oil Refinery near Union, Louisiana.[2]

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Project Details

  • Operator: SemGroup[1]
  • Owner: SemGroup (51%), Alinda Capital Partners (49%)[1]
  • Capacity: 500,000 barrels per day[2]
  • Length: 169-kilometers / 105-miles[3]
  • Status: Operating[3]
  • Cost: US$500 million[3]
  • Start Year:


The project includes three oil transmission pipelines, a 34.2 mile crude oil pipeline connecting the LOCAP Oil Terminal to Motiva’s Norco Oil Refinery; a 12-inch, 35-mile pipeline connecting the Norco Oil Refinery and Motiva’s Convent Oil Refinery, and an additional six-inch, 34-mile pipeline between the two refineries.[2]


In October 2018, SemGroup sold 49% of its interest in the Maurepas Pipeline to investment funds managed by Alinda Capital Partners for $350 million. SemGroup will remain the majority owner and operator of the pipeline system, which consists of three separate transportation pipelines serving refineries in the Gulf Coast region of Louisiana.[1]

Articles and resources


  1. 1.0 1.1 1.2 1.3 Mike Averill, SemGroup completes sale of minority interest in Maurepas Pipeline , Tulsa World, Oct. 22, 2018
  2. 2.0 2.1 2.2 Anna Thibodeaux, Work to begin on Motiva’s $500M Maurepas Pipeline by end of this year, Herald Guide, October 2, 2015
  3. 3.0 3.1 3.2 Asset Data, IJGlobal, accessed Aug. 27, 2020

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