When depletion strategies for BP Amoco's Valhall field on Norway's continental shelf required the drilling of extended reach drilling (ERD) wells, problems appeared which threatened the project economics. Average trouble costs approached 35% and occasionally exceeded 50%, while some wells failed to reach their objectives and the projects were not completed. Sound principles for aligning the operator/supplier team were applied to a very challenging ERD well following successful applications on exploration wells in Norway and development wells in other areas. Starting with a slot recovery that historically took 29 days being completed in 18, the well concluded 31 days (30%) ahead of past performance. It is clear that re-organization of a select group of operating and service company candidates into an aligned team made the difference. This paper will describe the challenge, the transformation and the result.

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