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Subsurface Appraisal: The Road From Reservoir Uncertainty to Better Economics

机译:地下评估:从储层不确定性到更好经济学的道路

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Subsurface or field appraisal is an activity aimed at reducingrnreservoir uncertainty. For optimal results from appraisal, it isrnnecessary to have a clear understanding of appraisal, torndistinguish between two types of appraisal, and to use arndecision tool that ties reservoir uncertainty to potentialrneconomic consequences in the event of development. The toolrnproposed is “value of information” (VOI), which provides arnconsistent, auditable criterion for decision-making. In the casernof optimization appraisal, VOI enables an analysis of therneconomic merits of a series of development scenarios with andrnwithout appraisal information. The probability distribution ofrnthe underlying uncertainty, e.g. reserves, is a key ingredient. Arntruly cross-disciplinary effort is called for. The ultimate goalrnin appraisal is to reduce economic risk with regard to fieldrndevelopment.
机译:地下或野外评估是旨在减少储层不确定性的活动。为了获得最佳的评估结果,有必要对评估有一个清晰的了解,两种评估之间的区分是撕裂的,并需要使用判断工具将储层的不确定性与潜在的经济后果联系起来。提出的工具是“信息价值”(VOI),它为决策提供了一致,可审核的标准。在casernof优化评估中,VOI可以在没有评估信息的情况下分析一系列开发方案的经济价值。潜在不确定性的概率分布,例如储备,是关键要素。需要跨学科的努力。评估的最终目标是降低与油田开发有关的经济风险。

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