State-oil giant Saudi Arabian Oil Co. will pay Royal Dutch Shell PLC $2.2 billion to finalize the breakup of their two-decade Motiva Enterprises refining partnership in the U.S. The deal gives Saudi Arabia sole control over the largest refinery in the U.S., a 600,000-barrels-a-day facility in Port Arthur, Texas. The Saudi state oil company, known as Aramco, will take full ownership of the Motiva Enterprises LLC name and legal entity….