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AAPG Bulletin

Abstract

DOI: 10.1306/05061918229

Turning dry holes from disasters to Previous HitexplorationNext Hit wisdom: Decision tree to determine the key failure mode for segments in conventional petroleum prospects

Alexei V. Milkov,1 and Jack M. Samis2

1Department of Geology and Geological Engineering, Colorado School of Mines, Golden, Colorado; [email protected]
2Department of Geology and Geological Engineering, Colorado School of Mines, Golden, Colorado; [email protected]

ABSTRACT

Petroleum Previous HitexplorationNext Hit is a risky business, and dry holes (wells that failed to find movable petroleum fluids) are common, especially in frontier and emerging basins and plays. Technically rigorous, systematic, and consistent postdrill analysis may convert dry holes from disasters to Previous HitexplorationNext Hit wisdom and future success. Here, we present a decision tree to determine the key failure mode for individual segments in conventional petroleum prospects and illustrate its utility with examples from the deep-water Taranaki Basin, offshore New Zealand. We hope that this decision tree, or its customized versions, will become the best practice in postdrill analysis across the Previous HitexplorationTop industry.

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