Anadarko has drilled a successful appraisal well at the Shenandoah field in Walker Ridge Block 51 of the US Gulf of Mexico. Drilled in 5,900 ft of water to a total depth of 31,100 ft, the Shenandoah No. 5 well encountered more than 1,000 net ft of high-quality oil pay in the Lower Tertiary Wilcox sands. The well’s results indicate an extension of the field reservoir boundaries to the east. Anadarko, the operator, holds a 33% interest in the field, with other interests held by ConocoPhillips (30%), Cobalt International Energy (20%), and Venari Resources (17%).
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