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Argentina halts Falklands oil project: 15-year jail threat for firms

Federal judge bars drilling and port works on Sea Lion field until Argentina completes environmental assessment

Argentine
Argentine President Javier Milei addresses the nation on the Falklands sovereignty dispute.

Argentina has escalated its legal offensive against oil exploration near the Falkland Islands, securing a court order to suspend work on the Sea Lion offshore project and filing criminal charges that could land company executives in prison for up to 15 years.

An Argentine federal judge issued a temporary injunction late Monday barring drilling, offshore construction, and port-related activities for the Sea Lion field, located 220 km north of the islands. The ruling applies to Israeli firm Navitas Petroleum and UK-based Rockhopper Exploration, which jointly hold licences for the project issued by the Falkland Islands government.

Legal threats target executives and shareholders: Argentina

The court order demands detailed information on the project’s schedule, contractors, financing, insurance arrangements, and environmental studies before work can resume. Meanwhile, Argentina’s government has filed a criminal complaint targeting not only the companies but also their shareholders, directors, managers, and legal representatives.

A 2011 Argentine law imposes severe penalties for unauthorised exploration in its claimed continental shelf, including up to 20 years of disqualification from operating in Argentina and up to 15 years in prison. The complaint specifically names Navitas Petroleum, which holds a majority stake in Sea Lion, and Canadian firm Eco Atlantic, which holds a nearby exploration licence.

President Javier Milei has framed the dispute as a matter of national security. Earlier this month, he declared:

“Argentina will not stand idly by. Any further advance on the Malvinas Islands will be considered a violation of our national security.”

Javier Milei·President of Argentina

Sovereignty dispute reignites as firms defend licences

The legal manoeuvres mark the latest chapter in the long-running sovereignty dispute over the Falkland Islands, which Argentina calls the Malvinas. The UK, which has administered the islands as an overseas territory since 1833, rejects Argentina’s claims, and the two nations fought a 10-week war in 1982 that left 649 Argentine and 255 British troops dead.

Navitas and Rockhopper maintain that their project is fully authorised by the Falkland Islands government and have indicated they do not expect Argentina’s actions to disrupt their development plans.

The injunction’s immediate practical impact remains limited, as the Falkland Islands operate under UK jurisdiction.

In the meantime, Navitas and Rockhopper continue to assert that their licences remain valid and that they will proceed with development plans as scheduled.

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