Abstract
ABSTRACT Drilling cost per foot of Chevron's helilift drilling operation in the remote Southern Highlands of Papua New Guinea was reduced from 1360 to 267 $/ft (4462 to 876$/m) during the period from 1985 to 1989. The operation provides many challenges, as it is thousands of miles from major oil-field supply centers. This requires advanced well-planning and logistical management of drilling materials so that they arrive at the drilling rig in a timely matter. The wells are also drilled into structurally complex geology without the aid of seismic data which can lead to unexpected results. The drilling rigs are entirely supported by helicopters from a forward supply base and are completely heli-transportable. PNG's operational improvement and optimization program during a 5 year period had a four-fold decrease in drilling dollars per foot.
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