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Argentina's Tecpetrol to invest $2.3 bln in Vaca Muerta -union leader

BUENOS AIRES, March 23 (Reuters) - Argentina's Tecpetrol, part of the Techint Group, will invest $2.3 billion in the Vaca Muerta shale fields through 2019, Guillermo Pereyra, a union leader and senator, told Reuters on Thursday.

Tecpetrol will aim to produce 14 million cubic meters of shale gas by 2019 said Pereyra, who participated in a Thursday meeting with Argentina's President Mauricio Macri and executives who announced the investment plans.

Privately-held Techint and Tecpetrol said they would not comment until an official announcement was made.

(Reporting by Eliana Raszewski; Additional reporting by Walter Bianchi; Writing by Caroline Stauffer; Editing by Andrew Hay)