HOUSTON, April 19 (Reuters) - The large crude distillationunit (CDU) at Royal Dutch Shell Plc's joint-venture 340,000barrel-per-day (bpd) Deer Park, Texas, refinery was shut onThursday night by a pump failure, said sources familiar withplant operations on Friday.
Crews were working over the weekend to repair themalfucntioning pump on the 270,000 bpd DU-2 CDU, the sourcessaid.(Reporting by Erwin SebaEditing by Chizu Nomiyama)