Vaca Muerta Breaks Output Record as International Banks and Oil Majors Back Argentina Expansion
Argentina's May 2026 record of 887,227 b/d is drawing $1 billion in bank financing and equity commitments from Eni and ADNOC into Vaca Muerta.
Argentina's Ministry of Economy data published on Saturday (2026-07-26) showed the country's oil production reached an all-time monthly high of 887,227 barrels per day in May 2026, a 19% increase over May 2025 and a 0.6% rise from April 2026. After output faltered at the end of 2025, the recovery to record territory arrived at a moment when global buyers are actively seeking alternatives to Middle Eastern barrels.7,3
ICE Brent crude front-month settled at $91.68 per barrel on Friday (2026-07-25), supported by elevated tensions around the Strait of Hormuz. Foreign Policy reported during the week of July 13 (2026-07-13) that Latin American exporters were demonstrating resilience as the Hormuz crisis kept buyers hunting for non-Gulf supply. Argentina's crude grades — API gravity of 39 to 41 degrees, sulfur below 0.5% — sit squarely in the light, sweet category that draws the strongest netback in current market conditions.7,6
Shale now dominates the domestic output mix. Unconventional oil accounted for 70.6% of Argentina's total production in May 2026, while shale gas made up 69.8% of gas output. Natural gas climbed to 5.5 billion cubic feet per day, 11% above year-earlier levels and 5.4% above April 2026, approaching but not matching the record 5.7 billion cubic feet per day posted in July 2025. Vaca Muerta holds estimated recoverable resources of 16 billion barrels of oil and 308 trillion cubic feet of gas, figures that place it among the largest unconventional plays outside North America.7
International capital is following the data. Citigroup, Banco Santander and JP Morgan are among lenders working on a roughly $1 billion financing package for Transportadora de Gas del Sur covering Vaca Muerta infrastructure, Rigzone reported. The deal's size reflects a meaningful shift in how global banks are pricing Argentine sovereign and project risk.2
Equity commitments followed in quick succession. Eni and Abu Dhabi National Oil Company's international investment arm XRG each agreed, in transactions finalized on June 29 (2026-06-29) and confirmed on July 1 (2026-07-01), to acquire 32% stakes in three Vaca Muerta gas blocks, with YPF retaining the balance, according to Rigzone and Upstream. The blocks are earmarked to supply a planned Argentine LNG export project, adding a gas monetization dimension that operators have discussed for years without committing capital at this scale.4,5
The macroeconomic backdrop has shifted, too. During the week of July 6 (2026-07-06), Argentina repaid $4.3 billion of foreign debt ahead of schedule, and inflation in June fell to its lowest level in ten months. Foreign Policy cited oil revenues as directly underpinning the stabilization. Lower sovereign risk cuts financing costs for upstream operators and widens hedging options available to exporters.6
Still, physical infrastructure remains the binding limit on how quickly production growth translates into export revenue. A major pipeline project due to begin construction in 2027 will eventually carry around 700,000 barrels per day to Argentina's Atlantic coast for loading, according to The Economist's May 19, 2026 (2026-05-19) analysis of South American energy development. Until those export routes open, output gains risk outrunning evacuation capacity.1
Rystad Energy, in that same May 2026 analysis, forecast Argentine oil production would rise 12% in 2026 to around 690,000 barrels per day, before climbing to roughly 1.2 million barrels per day by 2030. The actual May 2026 figure of 887,227 barrels per day has already surpassed Rystad's full-year 2026 estimate by a wide margin, implying either that the consultancy has revised its numbers since or that Vaca Muerta well productivity has outpaced the original modeling. Either way, the 2030 target of 1.2 million barrels per day now looks more like a floor than a stretch.1,7
The outstanding variable is the 2027 pipeline. Permitting delays, financing shortfalls, or regulatory friction under Argentina's historically volatile policy environment could constrain exports for longer than producers and investors currently assume. That gap between wellhead production and export capacity is the number traders in Argentine crude should track as the expansion continues.1