The filing follows a September ultimatum from Milei and the start of international arbitration on Oct 9. While the UK rejects the legal claims and David Miliband recently signed off on the drilling, oil services firm Halliburton has informed Argentina it will not participate in the project to avoid legal and commercial risks. Despite the pressure, lead developer Rockhopper Exploration continues to target first oil by 2028.
Tuesday, October 20, 2026
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Argentina Asks International Tribunal to Block $2.2B UK Oil Project
Geopolitics7 days ago
The administration of President Javier Milei has sought emergency measures from a maritime court to stop the Sea Lion drilling operations in the disputed Falkland Islands. Argentina filed its claim at the International Tribunal for the Law of the Sea, arguing that the project violates its sovereign rights over the surrounding continental shelf. The $2.2B venture is the first commercial oil project in the region, with reserves estimated at 315 million barrels and a peak production target of 50,000 bpd.
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