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Argentina seeks tribunal order to suspend Falklands oil drilling
Argentina has asked an international maritime tribunal to order a halt to planned oil drilling near the Falkland Islands while a wider dispute is considered. Its lawyer, Marcelo Kohen, argued that the UK cannot treat the surrounding waters as its own while sovereignty remains contested, and invoked the UN’s calls for both sides not to change the situation unilaterally. The case matters because it tests whether the tribunal can intervene in a dispute that Britain says concerns sovereignty and falls outside its jurisdiction.
The proposed drilling concerns the Sea Lion oilfield, about 130 miles north of the islands, and is due to start in March 2027; oil extraction is not expected until 2028. Argentina says delay is urgent to protect its rights to the resources, while the UK says a suspension could jeopardise the project and harm islanders and companies. Argentina says the oil could make the islands exceptionally wealthy and argues the tribunal is being asked only whether Britain may authorise drilling before the underlying dispute is resolved.
In short
- Argentina wants drilling suspended pending further arbitration.
- The Sea Lion field lies about 130 miles north of the islands.
- Britain disputes the tribunal’s authority to rule on the case.
Steelman: both sides, in good faith
The strongest fair case each way — we don't pick a winner.
The case for
Argentina’s strongest case is that drilling could irreversibly alter the economic and political situation before the sovereignty dispute is resolved, prejudicing its claims to nearby resources. It argues that a temporary pause would respect the UN’s calls against unilateral changes and allow the tribunal to consider whether the UK may authorise extraction in contested waters.
The case against
The UK’s strongest case is that sovereignty is outside the tribunal’s jurisdiction, so it should not use an interim order to constrain activity in waters the UK administers. A suspension could undermine a project expected to bring substantial income and opportunities to Falkland Islanders, while delaying investment and imposing costs on companies.
Explained simply
The Falkland Islands are a British-administered group in the South Atlantic, claimed by both the UK and Argentina. The dispute includes the surrounding waters and their natural resources.
The Sea Lion oilfield lies about 130 miles north of the islands. A company-backed project plans to begin drilling in March 2027, though oil production is not expected before 2028.
Argentina says drilling should wait until the competing claims are resolved, while the UK supports the project. The case matters because the tribunal must consider whether it can order a pause when the UK says the dispute is about sovereignty, which it cannot rule on.
Read the full article at the source →
Originally published by The Guardian as “Argentine lawyer mocks UK’s sovereignty claim in Falklands oil case”.