Gulf of Mexico rig market activity was fiat during May, but day rates and utilization for offshore supply vessels increased. According to IHS-Petrodata, 74 rig units were contracted out of a fleet of 114 at end of April, a 64.9 percent utilization rate. On June 1, the number of rigs stood at 115 and the number of contracted rigs rose to 75, for a utilization rate of 65.2 percent.
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