Chile and Argentina team up to contest the UK’s claim to mineral rights off Antarctica

In the northern hemisphere, the low oil price may stop 40 of Statoil’s projects in Norwegian waters

Ukraine has paid its bill to Gazprom, but Hilary Clinton still issues Russia with a warning about using energy as a “weapon”. The EU commission president was also concerned, although the foreign minister of the Czech Republic, which holds the EU presidency, was not so much

The IEA and Opec are both likely to cut their forecasts for oil demand next week, but speculation persists that Opec may feel it has done enough, amid signs that the oil market is tightening