Refinery watch: Planned and unplanned US outages

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.

Motiva Enterprises on June 6 said planned maintenance on a delayed coker unit's gas recovery system at its Port Arthur, Texas, refinery under way since June 3 resulted in flaring. A filing to environmental regulators made available on June 5 didn't specify whether the work was planned or unplanned. It did say operations were slowed to stabilize the unit and to minimize flaring. The current status of operations isn't clear.

CVR Refining said unplanned sulfur recovery unit maintenance on June 5 at its Wynnewood, Okla., Refinery resulted in flaring an emission of hydrogen sulfide, according to a filing to the US National Response Center. The report didn't specify whether the work was impacting production at the 70,000-bpd refinery.

Tesoro on June 2 reported the start-up of a H2SO4 plant at its Golden Eagle Refinery in Martinez, Calif. to state environmental regulators. It wasn't clear when the unit was taken out of service or whether it had an impact to production.

Valero Energy on June 3 said some units at its Jean Gaulin refinery in Quebec, Canada, have begun the restart process following nine weeks of plant-wide turnaround maintenance. It will be another several days before the refinery is back at planned rates.

CHS Inc.'s oil refinery in Laurel, Montana, has been undergoing major turnaround maintenance since earlier this spring, a report on June 2 in the local Billings Gazette newspaper said. The scope of the turnaround wasn't detailed but information submitted to the Department of Environmental Quality said the project involves major renovations to several processing units and that the project will enable the refinery to refine a higher percentage of diesel fuel and a lower percentage of gasoline, the Gazette story said.

ExxonMobil on May 30 said its Torrance, Calif., refinery was working to normalize operations following a disruption in power supplied to the refinery by an external provider. The incident resulted in emissions and unplanned flaring. The status of operations at the plant wasn't clear since the company in early-May said the refinery would conduct "several weeks" of planned maintenance at several process units.

Dow Jones Newswires

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