Noble Drilling Corporation has completed its fourth successful EVA-4000 semisubmersible conversion. The Noble Amos Runner, commenced its five-year contract for Kerr-McGee Corporation, Marathon Oil Company and Murphy Exploration and Production Company in the Gulf of Mexico on August 15, 1999. The unit, which is capable of drilling in water depths up to 6,600 feet, was delivered from the shipyard on August 6, 1999, completed mooring sea trials thereafter, and was accepted by the operators under contract on August 15th.