(Adds Shell statement, paragraph 3)
HOUSTON, Oct 7 (Reuters) - Royal Dutch Shell Plc's 327,000 barrel per day (bpd), joint-venture Deer Park, Texas,refinery has pushed back the planned restart of its 70,000 bpdgasoline-producing fluidic catalytic cracking unit to the end ofthe week, sources familiar with refinery operations said onTuesday.
Shell had planned to restart the FCCU, which has been shutfor repairs since an Aug. 18 breakdown, over the weekend, butthe return to production has been held up by the delay indelivery of materials needed to complete the repairs, thesources said.
A Shell spokeswoman said the company had no update aboutmaintenance underway since mid-August at the Deer Park refinery.While the company has said work was being performed on aproduction unit, Shell has not identified the unit.
The Deer Park refinery is a 50-50 joint venture betweenShell and Mexico's national oil company Petroleos Mexicanos(PEMEX). (Reporting by Erwin Seba; Editing by James Dalgleish)