Companies that have faced opposition include Turkey's TPC, local gas transporter TGI, Gran Tierra Colombia, Ecopetrol and Emerald Energy.
Oldelval has received the green light to extend its crude oil pipeline concession further into Neuquén province.
The Chilean oil company bought the Octans Pegaso offshore area from a consortium in January.
The head of the Norwegian company in Latin America's largest economy, Anders Opedal, spoke to BNamericas about Statoil's local operations.
A provincial official made the comments in response to locals who expressed concern over the fracking law the Argentine province just approved.
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