(Repeats to widen distribution)
Nov 7 (Reuters) - Royal Dutch Shell Plc's 327,000barrel per day (bpd) joint-venture refinery in Deer Park, Texas,said on Thursday that a propane release it reported earlier inthe week to the Texas Commission of Environmental Quality wasbeing investigated.
"The leak has been isolated and cause of the incident isbeing investigated," company spokesman Destin Singleton said inan email.
The company reported in a November 5 notice to the Texasagency that there had been a pin hole leak at a propane boosterpump at the refinery.
The Deer Park refinery is 50-50 joint venture between Shelland Pemex, Mexico's national oil company.
(For refinery outages in the Reuters OilFundamentalsDatabase see http://bond.views.session.rservices.com/CE/ or go to ) (Anupam Chatterjee)