Perfect Well - Measure drilling performance objectively

Perfect-well analysis complements traditional analysis methods to create performance standards and improve well-cost estimates.Part 1 (OGJ, Mar. 1, 2004, p. 43) described how to calculate the minimum time in which a well could possibly be drilled—called the "perfect-well time." It included a review of more than 500 wells and showed how the method could reliably set performance targets and identify where savings can most likely be found.This article shows how perfect-well analysis can be used to create performance standards, how it complements technical-limit analysis and learning-curve analysis, and how it can be used to improve well-cost estimates.Perfect-well time, ratioThe perfec...

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