AMFELS, the US subsidiary of Keppel Offshore & Marine Ltd (Keppel O&M) said it has clinched four contracts valued at S$80 million from repeat customers. (US$1=S$1.65). Three contracts are for the repair of jackups, ENSCO 86, ENSCO 89 and ENSCO 99, for a subsidiary of ENSCO International Incorporated (ENSCO). In a statement, AMFELS…