CEO Keith Mullin announced his retirement from Hong Kong-based Gulf Oil Marine. David Price will take his place effective May 14. Xiamen, China-basedXiamen Sinolook Oil Co. agreed to distribute base oils for Abu Dhabi National Oil Co., which is based in the United Arab Emirates.Cosco Marine Energy, a Shanghai-based shipping company, agreed to continue an agreement with ExxonMobil Aviation involving lubricant procurement, chartering and spot business.