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Complete List of Louisiana Refineries

Throughout Louisiana, hard-working men and women show up to work every day at oil refineries and put their safety on the line. The workers who perform these duties are endangered by aging equipment, operator errors, and safety policies and procedures that are written down by the company but never actually followed.
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C.L. Mike Schmidt Published by C.L. Mike Schmidt

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How Many Oil Refineries Does Louisiana Have?

The state of Louisiana currently has at least 17 oil refineries in operation, with a refining capacity of approximately 3.4 million barrels of crude oil per day. This amounts to about 20% of the nation's refining capacity.

The first producing well, the Heywood #1, was found in Acadia Parish. Since then, oil producers have needed to find ways to refine crude oil so that it can be used.

oil refinery

Louisiana Oil Refinery Explosions

Marathon Petroleum Oil Refinery Explosion

An explosion rocked the Marathon Petroleum plant in Garyville, Louisiana, on February 21, 2022, shaking homes and businesses as firefighters raced to douse the resulting blaze. One person was injured after the blast, which was heard for miles around, around 9:30 a.m.

The state Department of Environmental Quality said some of the refineries were placed under a shelter-in-place order, and some workers were moved to a closed area to avoid contamination.

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Westlake Chemical South Explosion

The communities of Sulphur and Lake Charles, Louisiana, were rocked by an explosion at the Westlake Chemical South plant on January 26, 2022. Witnesses reported a mushroom-shaped cloud in the sky near the plant, and officials said that it was a tank of ethylene dichloride that exploded.

Emergency crews responded quickly to the Westlake Chemical plant explosion, and local schools implemented a shelter-in-place order to protect students and faculty from any potential exposure.

Ethylene dichloride, also known as 1,2-dichloroethane, is an odorless liquid that smells like chloroform. It is known to cause cancer in humans, and exposure can have immediate consequences as well. Inhaling ethylene dichloride can cause throat and nose irritation, skin exposure can cause burns, and continued exposure can lead to headaches, loss of consciousness, and dizziness.

Six people were injured in this chemical plant explosion. One was treated at the scene and five others were transported to local hospitals for treatment.

Related Article: TPC Chemical Plant Explosion Litigation

Williams Olefins Plant Explosion

An explosion at the Williams Olefins plant rocked the small town of Geismar, Louisiana, on June 13, 2013. The plant suffered what was later described as a “catastrophic” failure of a heat exchanger, triggering an explosion that could be felt for miles. Two people were killed and more than 100 of the employees on-site were injured in the accident.

Complete List of Louisiana Oil Refineries

Baton Rouge

  • Baton Rouge Refinery – ExxonMobil

Belle Chasse

  • Alliance Refinery – Phillips 66


  • Chalmette Refinery – ExxonMobil / PDVSA


  • Convent Refinery – Motiva Enterprises

Cotton Valley

  • Cotton Valley Refinery – Calumet Lubricants


  • Garyville Refinery – Marathon Petroleum Company

Krotz Springs

  • Krotz Springs Refinery – Alon USA

Lake Charles

  • Lake Charles Refinery – Citgo
  • Lake Charles Refinery – Calcasieu


  • Meraux Refinery – Valero


  • Norco Refinery – Motiva Enterprises
  • Norco Refinery – Shell
  • St. Charles Refinery – Valero

Port Allen

  • Port Allen Refinery – Placid Refining
  • Princeton
  • Princeton Refinery – Calumet Lubricants


  • Shreveport Refinery – Calumet Lubricants

St. Rose

  • St. Rose Refinery – Shell Chemical


  • Torrance Refinery - ExxonMobil


  • Lake Charles Refinery – Phillips 66

Related Article: Complete List of Oil Refineries in Texas

What is the Largest Oil Refinery in Louisiana?

ExxonMobil's Baton Rouge Refinery in Baton Rouge, Louisiana, is the largest refinery in the state, 5th largest oil refinery in the U.S., and 13th largest in the world, with an input capacity of 540,000 barrels (86,000 m3) per day as of January 1, 2020. The refinery is the site of the first commercial fluid catalytic cracking plant that began processing at the refinery on May 25, 1942.

Standard Oil first erected the refinery in 1909. Today's facility is part of a complex made of 9 individual plants across the region. The main plant is located on the east bank of the Mississippi River. There are about 6,300 workers spread across these sites, including 4,000 direct employees.

louisiana oil refinery

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Again, if you or a loved one has been seriously injured or killed in an oil field accident, you should contact our oil field accident lawyers immediately by using the form below or calling our law firm toll-free 24 hrs/day by dialing (866) 588-0600 for a free consultation and legal advice.

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