CASE STUDY Completion Efficiency and Productivity When proving the effectiveness of the LateralScience method, one of the strengths of the validation process is that the input drilling data (including weight on bit, RPM, standpipe pressure, torque and rate of penetration) is available on every well, even those that were drilled years ago. This enables NexTier to evaluate historical wells to understand the relationship between actual well productivity and the lateral heterogeneity results from the LateralScience method. To make this approach credible, we choose sets of wells where conditions correlate closely. The geology, the drilling program and the completion procedures must be very similar on the subject wells, and they should be as close together as possible geographically.

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