Marathon to shut Galveston Bay FCC, other units in mid-Feb for overhaul: sources

FILE PHOTO: A Marathon Petroleum banner covers an Andeavor sign outside the El Paso refinery following a closed $23 billion deal after the Ohio-based Marathon bought the Texas-based company, forming one of the largest global refiners in El Paso, Texas, U.S., October 1, 2018. REUTERS/Julio-Cesar Chavez

HOUSTON (Reuters) - Marathon Petroleum Corp plans to shut the gasoline-producing fluidic catalytic cracker 3 (FCC 3) at its 585,000 barrel-per-day (bpd) Galveston Bay Refinery in Texas City, Texas, in mid-February for a planned overhaul, said sources familiar with plant operations on Wednesday.

The 140,000-bpd FCC 3, 31,500-bpd alkylation unit 3 (Alky 3) and 75,000-bpd Ultraformer 3 (UU 3), along with a hydrotreater, will shut for the overhaul, scheduled to finish by the end of March, the sources said.

Marathon spokesman Jamal Kheiry declined to discuss operations at the refinery.

FCCs use a fine powder catalyst to convert gas oil into unfinished gasoline.

Alkylation units convert low-octane byproducts from FCCs into components that boost octane in mid and premium gasoline grades.

The Ultraformer is a reformer that through a different process also converts refining byproducts into octane-boosting components added to gasoline.

Reporting by Erwin Seba; Editing by Leslie Adler and Marguerita Choy