The supermajor told both partner Alfa Access Renova and the London Stock Exchange that it intended to pursue a potential sale as part of its obligations under the partnership, though there was no guarantee that a transaction would take place.

The announcement comes after the sudden resignation of Mikhail Fridman as chief executive of TNK-BP earlier this week, fuelling fears of fresh conflict between BP and AAR, with their relations remaining tense since their first clash in 2008 on the company’s foreign expansion strategy and decision-making matters.

AAR