(Adds FCCU status)
HOUSTON, Feb 16 (Reuters) - Royal Dutch Shell Plc's 327,000 barrel per day (bpd) joint-venture refinery in DeerPark, Texas, has rescheduled a planned overhaul on ahydrocracking unit from March to September because of a strikeby workers at the refinery, said four sources familiar with DeerPark's plans.
The six-week overhaul on the 67,000 bpd selectivehydrocracking unit has been moved from March to September, thesources said. A 45,900 bpd catalytic reformer is also includedin the work along with a sulfur recovery unit.
A planned overhaul in the aromatics section of the adjoiningchemical plant has also been rescheduled, the sources said.
The Deer Park refinery's 70,000 bpd gasoline-producingfluidic catalytic cracking unit remains shut following amalfunction on Feb. 8, they added.
A Shell spokesman was not immediately available to discussoperations at the refinery.
The United Steelworkers union (USW) has called strikes at 11U.S. plants including the refinery and chemical plant in theShell Deer Park complex.
The Shell Deer Park refinery is a 50-50 joint venturebetween Shell and Mexico's national oil company PetroleosMexicanos (PEMEX).
A hydrocracking unit uses hydrogen under high pressure andheat to make motor fuels like gasoline. A reformer convertsrefining by-products into gasoline blending components. A sulfurrecovery unit extracts sulfur from hydrogen sulfide removed frommotor fuels in compliance with U.S. environmental rules. (Reporting by Erwin Seba; Editing by Richard Pullin)