Refinery watch: Planned and unplanned US outages (1)

The following table lists planned and unplanned production outages at US refineries as reported by Dow Jones Newswires. The information is compiled from both official and unofficial refining sources and doesn't purport to be a comprehensive list.

BP-Husky started planned work at the smaller of two coker units at its Toledo refinery, located in Oregon, Ohio, on July 8, a person familiar with operations at the plant said July 10. It wasn't immediately known how long it will take to overhaul the 7,500-bpd unit. A 27,500-bpd coker unit continues to operate, the person said.

Valero Energy said July 10 the process of starting a newly constructed hydrocracker at its St. Charles refinery in Norco, La., is under way. The construction of the 57,000-bpd unit, which began in the fourth quarter of 2012, was completed by the end of June. Start-up procedures will progress over the next few days.

Valero Energy on July 9 reported another upset at FCCU 1241 at its Port Arthur refinery in Texas. The unit is in circulation mode following a valve problem. Its return to normal operation is unclear, the company said.

Tesoro on July 9 said planned flaring, not associated with equipment breakdown, would occur at its newly acquired refinery in Carson, Calif., starting on July 10. The source of the emissions wasn't specified.

Valero Energy on July 9 said FCCU-1241 at its Port Arthur refinery in Texas was restarted on Sunday after a brief outage. The event was reported to local environmental regulators because excess carbon monoxide emissions occurred during the startup process; it had no material impact to production.

Valero Energy on July 8 said upsets at its Port Arthur, Texas, refinery had no material impact to production. The refinery on July 7 filed two separate reports to environmental regulators regarding emissions and flaring associated with upsets at two tail gas incinerators, Shell Claus off-gas treating units, or SCOT units No. 1 and No. 2 and a sulfur recovery unit as the sources of Sunday's emissions.

ExxonMobil on July 8 reported emissions and a flare event lasting less than four hours due to equipment breakdown at its Torrance refinery in California. The report to local regulators didn't specify what unit, or units were involved, but a spokeswoman said there is no impact to production. "ExxonMobil expects to meet its contractual commitments," she added.

Dow Jones Newswires

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