Nation's primary oil and gas producer acquires a 30% stake in refinery project

China National Petroleum Corp, the nation's largest oil and gas producer, will take a 30 percent stake in a refinery project in Ecuador, Jorge Glas, the South American country's vice-president, said on Wednesday.

CNPC, also known as PetroChina, will invest more than $10 billion to help finance the Pacifico oil refinery project, Glas said during an economic forum in Beijing.