(Bloomberg) -- Texas's refining complex is mostly back from last month's crippling cold blast, but lingering freeze-related issues continue to plague a number of production units.
More than six weeks after the Arctic storm took down at least 18 of the state's 30 refineries, and almost 5 million barrels a day of crude-processing capacity, two of the plants still haven't restored operations.
But at a number of sites, equipment ranging from fluid catalytic crackers to crude units are still struggling. It's an old story: Refineries don't respond well to being restarted after unplanned total shutdowns, be it from winter storms, hurricanes or flooding.
Refiners are anxious to restart because after cutting processing rates for more than a year due to the pandemic, the market now beckons with gasoline demand at its highest since October and profit margins rising.
Total's Port Arthur refinery had to shut its sole gasoline-making fluid catalytic cracking unit, or FCC, on March 26 because it couldn't keep a charge. It's estimated now that the FCC may be down three to four weeks for repairs. Total's smaller crude unit will be down with it because it has nowhere to put the gasoil it would normally send to the FCC.
At Deer Park on the Houston Ship Channel, the 270,000 barrel-a-day DU-2 crude unit, which restarted March 17, reported a relief valve issue Thursday. Deer Park is fully operational now, spokesman Curtis Smith said. The refinery, however, is still trying to fix problems related to the freeze on the 70,000 barrel-a-day DU-1 crude unit, a companion vacuum distillation unit and a gas oil hydrotreater, a person familiar with operations said.
Chevron's Pasadena refinery on the Houston Ship channel still needs to complete the restart of a catalytic reformer, FCC and light cycle oil hydrotreater.
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