Argentina has been stepping up export sales of petroleum products to Brazil, Chile, and Uruguay as its production from the Vaca Muerta oil fields surges. Output has shot up 169% year on year to 31 million cu m/d in February, pushing up total production 7.9% to 135 million cu m/d, the latest numbers from the Energy Secretariat show. The secretariat has estimated that production could double to 260 million cu m/d in 2023, meaning that it must find new markets for additional production. As part of this, Argentina…