Keppel FELS Limited (Keppel FELS) is on track to deliver ENSCO 8504, the fifth of seven ENSCO 8500 Series® ultra-deepwater semisubmersible drilling rigs being built exclusively for Ensco plc (NYSE: ESV). Keppel FELS expects to deliver the rig on time, within budget and with no lost time incidents. ENSCO 8504 has been contracted to TOTAL E&P Deep Offshore Borneo B.V. for deployment in Brunei. The rig was named at Keppel FELS today by Lady Sponsor, Mrs. Maika Grosjean, in the presence of Guest-of-Honour, Mr Teo Ser Luck, Singapore's Minister of State for Trade and Industry. Designed to address some of the most demanding offshore drilling requirements at water depths up to 8…