Keppel FELS Ltd (Keppel FELS), a wholly owned subsidiary of Singapore’s Keppel Offshore & Marine Ltd (Keppel O&M), has christened its KFELS B Class design jackup drilling rig, designed and built for US-based oil driller ENSCO International Inc (ENSCO). Keppel FELS said it completed the rig within budget and will deliver it to ENSCO ahead…