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Tesoro Los Angeles Said to Plan Hydrocracker Work in January

Tesoro Corp.’s Los Angeles-area refinery plans to shut a hydrocracker for repairs in January, according to two people familiar with the schedule.

Maintenance on the unit is expected to last about six weeks, said one of the people, who asked not to be identified because the information isn’t public. Hydrocrackers convert heavy hydrocarbons into lighter fuels such as high-octane gasoline and diesel.

Tina Barbee, a Tesoro spokeswoman at the company’s headquarters in San Antonio, declined to comment on the work in an e-mail.

Tesoro’s Los Angeles refinery, made up of two plants in Carson and Wilmington, can run a total of 363,000 barrels a day, data compiled by Bloomberg show. The Wilmington complex primarily runs heavy crude produced in California and imported from abroad, while the Carson site runs oil from Alaska’s North Slope, the Middle East and West Africa, according to the company statements.

The hydrocracker to be repaired is located in the Wilmington section of the refinery, one of the two people familiar with the schedule said.

Tesoro bought the 266,000-barrel-a-day Carson plant from London-based BP Plc on June 1. The company has been integrating the two complexes and refers to both collectively as the Los Angeles refinery, a Nov. 6 statement shows.

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