Translation of "Petrolifera" in English

Os Emiratos, Russia ou qualquer outra potencia petrolifera.

Arabia, the Emirates, Russia or any other oil power.

Agora que entendemos como caiu a produção petrolifera

Now we can understand why oil production is dropping.

Esperem la, a petrolifera com as maiores reservas no mundo tem problemas com a sua estração?

One second, the oil company with the largest reserves in the world has problems extracting