(EnergyAsia, October 2) — Singapore’s Keppel FELS Limited said it has secured a repeat order for an ultra-deepwater semisubmersible drilling rig from a wholly-owned subsidiary of ENSCO International Incorporated. The project is valued at approximately US$385 million. To be named ENSCO 8502, the rig is scheduled for delivery by the end of 2009.   Choo…