Colin Abraham is now Shells Americas vice president for lubricants and downstream LNG, replacing Istvan Kapitany, who was tapped as global executive vice president for fuels. Vertex Energy completed the first of two closings related to its $50 million acquisition of Omega Holdings Co.s rerefining assets, with a second expected in the third quarter. U.K.-based lubricants data provider Oats Ltd. appointed Richard Carney as chief operating officer. Lubrication Technologies acquired the lubricants business of St. Paul, Minn.-based Yocum Oil.