BRIEF-Spain's Repsol, Eni begin production at gas field in Venezuela
July 6 (Reuters) - Spain's Repsol :
* Says Repsol and Italy's Eni have begun production at the Perla gas field in Venezuela
* Says in the first phase of the project, production is expected to reach 450 million cubic feet of gas a day by the end of 2015
* Says will increase production to 1.2 billion cubic feet/day of gas in 2020 Source text for Eikon: Further company coverage: (Reporting By Jose Elias Rodriguez; Writing by Paul Day; Editing by Sarah Morris)
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