11 World’s Largest Oil Refineries by Processing Capacity

The crude oil processing capacity and the size of the refinery’s processing unit have been used to rank. Crude oil is sent from oil-producing countries to oil-importing countries such as the United States, India, South Korea, and China. Companies build massive oil refineries in certain areas based on demand. The refineries’ basis is petroleum products for vehicles. Petroleum products such as gas, petrol, diesel, and other grades of fuel for automobiles and machinery are generally produced at oil refineries. The Jamnagar Refinery in India is the world’s largest oil refinery, with a production capacity of 1.2 million barrels per day.

11. Baton Rouge Refinery (ExxonMobil)

ExxonMobil operates one of the biggest in the United States, covering 2,100 acres and employing over 2,000 people. It produces approximately 300 different products, including gasoline, diesel, jet fuel, waxes, and lubricating oils.

Daily Production (In Barrels): 502,500
Location: Baton Rouge, LA, USA

Baton Rouge Refinery
Photo by ap0013 via Flickr

10. Garyville Refinery (Marathon Petroleum)

It is managed by the Marathon Petroleum Corporation and is located in the state of Louisiana. It was built in 1976. The refinery now employs around 800 people.

Daily Production (In Barrels): 522,000
Location: Garyville, LA, USA

9. Ras Tanura Refinery (Saudi Aramco)

Saudi Aramco’s Ras Tanura refinery, located near Ras Tunara, Saudi Arabia, increased its capacity through substantial development projects.

Daily Production (In Barrels): 550,000
Location: Saudi Arabia

8. Baytown Refinery (ExxonMobil)

It is the second-largest oil refinery in the United States, situated near Baytown, Texas, and was founded in 1919 by Humble Oil Company.

Daily Production (In Barrels): 572,500
Location: Baytown, TX, USA

Baytown Refinery
Photo by BHGRE Gary Greene via Flickr

7. Port Arthur Refinery (Motiva Enterprises)

The biggest oil refinery in the United States, was established in 1902, and the current expansion added 325,000 barrels per day of capacity, for a total of 600,000 bbl/day.

Daily Production (In Barrels): 600,000
Location: Port Arthur, Texas, USA

Port Arthur Refinery
Photo by IIP Photo Archive via Flickr

6. Singapore ExxonMobil

ExxonMobil’s Singapore Refinery is located in HarbourFront in Singapore. ExxonMobil has almost 100 years of experience in the oil industry in Singapore.

Daily Production (In Barrels): 605,000
Location: Harbourfront Pl, Singapore

5. S-OIL Onsan Refinery (S-OIL)

S-Oil Onsan Refinery is the fourth-biggest in the world, has grown to become one of the world’s largest refineries via several expansions and improvements.

Daily Production (In Barrels): 669,000
Location: Ulsan, South Korea

4. GS Caltex Yeosu Refinery (GS Caltex)

This refinery is located in Seol, South Korea, and was founded in 1966. It is owned by Chevron and GS Group, and it serves petroleum products all over the world.

Daily Production (In Barrels): 730,000
Location: Yeosu, South Korea

3. Paraguana Refinery Complex (PDVSA)

The Paraguana refinery, located in the Venezuelan state of Falcon, was inaugurated in 1949. The three units are known as the Amuay Refinery, the Cardon Refinery, and the Bajo Grande Refinery, and they are managed by the Venezuelan state-owned firm Petroleos de Venezuela.

Daily Production (In Barrels): 940,000
Location: Paraguana, Falcon, Venezuela

2. SK Energy Co., Ltd. Ulsan Refinery (SK Energy)

SK Energy is an oil and gas company based in South Korea. It is in charge of a variety of oil-related products. The Ulsan unit is the world’s second-largest oil refinery corporation.

Daily Production (In Barrels): 1,120,000
Location: Ulsan, South Korea

1. Jamnagar Refinery (Reliance Industries)

It is a private crude oil refinery operated by Reliance Industries and is located in the Indian state of Gujarat. The refinery was commissioned in 1999 and built 668,000 bbl/day capacity units, which were later expanded to 1.24 million bbl/day capacity.

Daily Production (In Barrels): 1,240,000
Location: Jamnagar, India