Phillips drills entire OBM exploratory well with vacuum-cuttings system

A specially designed waste management system, which capitalizes on emerging vacuum cuttings-handling technology and a sophisticated hydraulic-monitoring program, played key roles in drilling an exploratory well offshore Norway almost entirely with oil-based mud (OBM).Phillips Petroleum Co., Stavanger, employed this approach to managing its drilling fluids on the exploration well Ebba 2/7-31, in the North Sea's Central Graben trough on the southeast fringe of the Ekofisk complex. The company drilled the high-temperature, high-pressure (HTHP) well in 238 ft of water with the Maersk Gallant jack up at a true vertical depth (TVD) of 16,300 ft.Bottomhole temperatures and pressures soared as...

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