Harbour Energy, listed in London, is set to acquire Wintershall Dea’s non-Russian assets for US$ 11.2 billion. LetterOne and BASF own Wintershall Dea with LetterOne owning 27.3%. Wintershall is a major German oil and gas company. Wintershall Dea uses exploration methods to locate deep underground natural gas and crude oil, from within rock layers. Wintershall…