Port Arthur Refinery

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Port Arthur Refinery
Port Arthur Refinery is located in Texas
Port Arthur Refinery
Location of the Port Arthur Refinery in Port Arthur, United States
Country United States
Province Texas
City Port Arthur, Texas
Coordinates 29°53′6″N 93°57′45″W / 29.88500°N 93.96250°W / 29.88500; -93.96250Coordinates: 29°53′6″N 93°57′45″W / 29.88500°N 93.96250°W / 29.88500; -93.96250
Refinery details
Owner(s) Motiva
Commissioned 1902 (1902)
Capacity 636,500 bbl/d (101,200 m3/d)

The Port Arthur Refinery is an oil refinery located in Port Arthur, Texas. It is the largest oil refinery in the United States.

The first processing units of the Port Arthur Refinery were constructed in 1902 by the Texas Company, later Texaco. The roots of this refinery can be traced to the Spindletop oil boom near Beaumont, Texas. It came into operation in 1903. Port Arthur is in eastern Texas on the Gulf of Mexico. At certain points during its lifespan it was considered the flagship refinery of Texaco.

On January 1, 1989, Saudi Refining, Inc. purchased 50% of the Port Arthur refinery (and two others) from Texaco to form a joint venture with Texaco called Star Enterprise. In 2001, Texaco was purchased by Chevron. Shortly thereafter Chevron's interest in this refinery (and two others) was sold to Shell on February 13, 2002. This new joint venture was called Motiva Enterprises LLC. Today, the Motiva Port Arthur Refinery is a joint venture with a 50% ownership between Shell Oil Products US and Saudi Refining Inc. Shell Oil Products is part of Royal Dutch Shell. Saudi Refining is part of Saudi Aramco. Approximately 1,200 people are employed at the site.

In March 2016, JV between Shell and Saudi Aramco ended, and this refinery of Motiva Enterprises is now controlled by Saudi Aramco.[1]

The completion of the expansion of the Port Arthur Refinery, officially celebrated on 31 May 2012, increased its crude oil capacity to 600,000 barrels per day – making it the largest refinery in the US. The expansion added 325,000 barrels per day of capacity. As of May 2016 the refinery has reached a maximum capacity of 636,500 barrels per day. Several of the process units added during the expansion are going through debottlenecking to increase their capacity even further.

This large and sophisticated refinery has the ability to process a flexible crude diet. It can process heavy, sour, and acid crudes from wherever they become available – initially Saudi Arabia – but also other areas. The refinery can also process shale oil, which is relatively light and sweet crude, if it’s economically attractive. The refinery supplies gasoline, diesel, aviation fuels, and high quality base oils to customers in the US.


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