Argentina's YPF has hooked Shell for a $50 billion LNG project that could put the country's energy game on the global map. Announced Thursday, the deal sees Shell stepping in to kick off the first phase of Argentina LNG, aiming to churn out 10 million metric tons of liquefied natural gas per year. That’s a lot of gas and a big leap for a country that’s been itching to cash in on its vast reserves. The project, drawing from the mammoth Vaca Muerta shale formation—the world’s second-largest unconventional gas reserve—plans…