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Pemex preparing Texas refinery for "big block" overhaul, sources claim

Pemex preparing Texas refinery for "big block" overhaul, sources claim

Pemex, Mexico's national oil company, is preparing for the "big block" overhaul at its 312,500-barrel-per-day (bpd) Deer Park, Texas, refinery to begin in early October, people familiar with plant operations said on Friday. Sources said that the 270,000 barrel-per-day (bpd) DU-2 crude distillation unit (CDU) at the refinery will be closed for the planned 60-day overhaul. Pemex did not respond to a comment request immediately.

DU-2 converts crude oil to feedstocks that are used by most of the other refinery units. The sources say that the fluid catalytic unit (FCCU), the hydrocracking unit producing diesel (HCU) (70,000 bpd), and the 92,000 bpd coker, will all be shut down because there are no feedstocks.

The DU-1 CDU, which has a capacity of 70,000 bpd, will continue to operate while DU-2 undergoes an overhaul.

FCCUs convert unfinished gasoline from gas oil using a catalyst and high temperatures.

In the presence of hydrogen, HCUs convert gas oil to gasoline by using a catalyzer under high pressure and heat.

Cokers convert tar-like, residual crude oil to motor fuel feedstocks, or petroleum coke that can replace coal. (Reporting and editing by Paul Simao; Erwin Seba)

(source: Reuters)