Saudi Arabia’s Ades Holding Company has completed its $379mn purchase of Norwegian listed firm Shelf Drilling through a cash merger. In a 26 November announcement, Ades says the transaction establishes Ades “as the global leader in offshore drilling, with a combined fleet of 83 offshore units (46 premium units) and 40 onshore rigs, now operating across 19 countries.” The transaction was first announced in August (MEES, 8 August).