Vaca Muerta Gives Argentina Leverage Against Sea Lion Project

The development of Vaca Muerta and the new international energy security scenario could expand Argentina's room for maneuver in its sovereignty claim over the Falkland Islands. Industry experts consider that the magnitude of the Neuquén formation creates a significant asymmetry vis-à-vis the Sea Lion offshore project.

Sea Lion is being pursued off the archipelago by Navitas Petroleum and Rockhopper Exploration. The venture holds certified reserves of 300 million barrels, financing of USD 1 billion, and a total investment estimated at USD 3.9 billion. Its first phase would require USD 1.8 billion, with a production target of between 50,000 and 55,000 barrels per day and startup scheduled for March 2028.

According to an analysis by engineer Daniel Dreizzen, director of Aleph Energy and former secretary of Energy Planning, Sea Lion's scale represents approximately 1% of Vaca Muerta. The project contemplates more than 60 subsea wells in the North and Central areas, but requires technology, capital, and international suppliers that also have interests in the Neuquén development.

In this context, Argentine restrictions on companies linked to hydrocarbon activities in the islands could gain greater effectiveness. Decree 868/2026, signed by President Javier Milei, regulated Law 26,659 and extended its scope to shareholders, directors, and suppliers of sanctioned companies.

SLB, Baker Hughes, Halliburton, and DLS Archer have announced they will not participate in activities related to Sea Lion or hydrocarbon operations in the Falkland Islands. Additionally, the Government has initiated proceedings against individuals and companies, while the Foreign Ministry has filed criminal charges against five companies, including Navitas.

The strategy, however, depends on the project maintaining its profitability. High costs of offshore drilling and market volatility could affect the decisions of its operators and investors, while simultaneously reducing Argentina's capacity to use those restrictions as a leverage tool.

With information from Infobae — Economía.