Valero Energy operates the Port Arthur I refinery, which is located in Texas, the US. It is a non integrated refinery owned by Valero Energy. The refinery, which started operations in 1901, has an NCI of 12.7.

Key processes of the refinery

Crude Distillation Unit (mbd): 395
Vacuum Distillation (mbd): 220
Coking (mbd): 103
Catalytic Cracker (mbd): 75
Hydrocracker (mbd): 135
Reformer (mbd): 55
Hydrotreater (mbd): 331
Alkylation (mbd): 20

The capacity of the refinery is expected to remain the same as 395mbd by 2030.

During the period 2021-2025, the Port Arthur I refinery is expected to witness an estimated capex of $731.25m.

Maintenance activities at Port Arthur I refinery

The Port Arthur I refinery witnessed twenty seven incidents during the period 2015-2020.

Upcoming expansion projects at Port Arthur I refinery

Delayed Coking Unit, Sulfur Recovery Unit

Contractors involved in the refinery

Some of the key contractors for the upcoming projects at the Port Arthur I refinery include the following.

Main EPC: John Wood Group.

About Valero Energy

Valero Energy Corp (Valero) is a downstream company that produces and markets transportation fuels and petrochemical products. Its assets include petroleum refineries, ethanol plants, and renewable diesel production from a joint venture. Its refineries produce gasoline, diesel, low-sulfur diesel, ultra-low-sulfur diesel, distillates, asphalt, jet fuel, petrochemicals, lubricants, and other refined products. It markets the refined products on a wholesale basis in the US, the UK, Canada, and Ireland through bulk and rack marketing networks and its branded outlets operated by partners. The company also offers dry distillers grains (DDGs), ethanol and corn oil essentially to gasoline blenders and refiners. Valero is headquartered in San Antonio, Texas, the US.


Information on the refinery is sourced from GlobalData’s refinery database that provides detailed information on all active and upcoming, crude oil refineries and heavy oil upgraders globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.