One of the changes would allow export and investment promotion agency Proesa to advise state institutions that look to promote PPP projects.
First quarter results confirm that Latin America "has indeed reached the bottom" of the global oil industry's down cycle, CEO Paal Kibsgaard told investors.
Operators would deliver 100% of output to state oil company Petroperú, which would be responsible for selling it.
The new subsidiary aims to improve gas distributors' operational efficiency.
The local energy company obtains a 35-year E&P concession targeting Vaca Muerta shale.
Guerrilla attacks on the Caño Limón-Coveñas pipeline affected production at eight oilfields in March, according to the government.
Late last year, Chile's Copec, which controls Terpel, signed the deals to buy ExxonMobil assets in Colombia, Peru and Ecuador.