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Valero is preparing to restart Port Arthur oil refinery in Texas after the blast, according to sources

Valero Energy Corporation is preparing to restart the 380,000 barrels-per-day (bpd),?Port Arthur oil refinery in Texas this week. The plant was shut down on Tuesday following a blaze and explosion the day before.

Sources said that workers were blocking pipelines feeding the damaged 47,000 bpd Unit 243 Diesel Hydrotreater on early Wednesday morning. They added that the shutdown was necessary to put out the fire that started on Tuesday.

In a regulatory filing, Valero stated that no injuries had been reported from the explosion, which was triggered by the release of process fluid on unit 243.

The explosion could be felt up to 18 km away from the plant, which is located in east Texas near the Louisiana border.

The 'outage' comes at a time when refining margins are high due to the closure of the Strait of Hormuz (by Iran) amid the conflict that has impacted the Middle East region. This has led to a significant reduction in supply of refined products.

Sources said that once the feed lines for unit 243 are blocked, Valero would return natural gas to plant, and light the safety flare system and boilers in order to generate steam to drive utilities and heat production units.

Once 14 other production units are back to operating temperatures, feedstock can be introduced and the process will begin of getting output to specifications. Refinery production will be brought to planned levels as close as possible to maximum capacity.

In compliance with U.S. Environmental Rules, hydrotreaters remove sulfur during production using?hydrogen. (Reporting and editing by Christian Schmollinger, Bernadettebaum and Erwin Seba)

(source: Reuters)