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Argentina Seeks ITLOS Order to Halt UK Oil Activity Near Falklands

By Drooid · · How we work

Core Request and Legal Action

On October 13, Argentina’s government announced that it had filed a request for provisional measures with the International Tribunal for the Law of the Sea (ITLOS). The filing seeks to suspend British-authorized hydrocarbon activities on the continental shelf of the Northern Falklands Basin.

Background of Territorial Dispute and Recent Legislative Moves

The Falkland Islands remain under British control while Argentina continues to claim sovereignty. Tensions have risen following a legislative proposal by President Javier Milei’s administration that would tighten penalties on companies and individuals involved in oil drilling linked to the Falklands or Argentine maritime zones. The proposal, which revises 2011 legislation, has not yet been approved by Congress. Oil firms Navitas Petroleum and Rockhopper Exploration, operators of the Sea Lion offshore project north of the islands, have said they do not expect Argentina’s legal action to derail development.

Official Responses from Argentina and the United Kingdom

Argentina’s statement framed the ITLOS request as a defence of national rights. The British government, through statements from officials, affirmed that it will “stand firm” against any threats and defended the right of Falkland Islanders to self-determination. British Foreign Secretary Ed Miliband approved the Sea Lion field, a development described as Israeli-led, and Navitas Petroleum confirmed this approval. British Parliamentary Under-Secretary of State for Overseas Territories Uma Kumaran described Argentina’s sanctions against more than 60 companies and individuals linked to the project as “unacceptable,” reiterating the United Kingdom’s position that the islands are British and may develop their natural resources as they see fit.

Potential Implications for Energy Projects and Sanctions

If ITLOS grants provisional measures, the Sea Lion field and related drilling activities could be paused pending a final ruling, affecting the commercial interests of Navitas Petroleum, Rockhopper Exploration, and other stakeholders. Argentina’s ongoing sanctions proceedings against over 60 entities underscore a broader strategy to pressure firms participating in the disputed offshore development. The outcome of the tribunal’s deliberations will shape the legal landscape for future hydrocarbon exploitation in the contested maritime zone.