Back to overview Home Fossil Energy Eni widens South American footprint with block trio linked to Argentina LNG Eni widens South American footprint with block trio linked to Argentina LNG Business & Finance June 29, 2026, by Melisa Cavcic Share this article Italy’s energy giant Eni has set the wheels in motion to expand its upstream portfolio with three blocks in Argentina, connected to a liquefied natural gas (LNG) export project planned for development in the South American country. Rendering of Argentina LNG project; Source: YPF Eni has signed a sale and purchase agreement (SPA) for the acquisition of a 32% interest in three upstream blocks, including Meseta Buena Esperanza , Aguada Villanueva , and Las Tacanas , which are part of the unconventional Vaca Muerta basin in Argentina. Mohamed Al Aryani , President of International Gas at XRG, underlined: “Argentina has the potential to play an increasingly important role in meeting the world’s growing demand for natural gas, and projects such as Argentina LNG will be important to unlocking that opportunity. “Vaca Muerta is one of the world’s most attractive gas resources, and this proposed transaction gives XRG a direct role in helping advance a project with the scale, quality and long-term potential to become a significant new source of reliable LNG supply for global markets.” The three blocks will be part of the Argentina LNG integrated development, an upstream-midstream project aimed at leveraging the Vaca Muerta gas resources, helping to strengthen the country’s position as a global LNG supplier in the long term. Guido Brusco , Eni’s Chief Operating Officer Global Natural Resources, commented: “Our entry into Vaca Muerta unconventional basin, alongside YPF and XRG, strengthens Eni’s ability to develop world-scale gas resources and convert them into competitive LNG for international markets. “Vaca Muerta is one of the world’s richest unconventional basins in terms of resources: our participation positions