Incremental economics paramount in oil, gas evaluations

As with any discipline, the techniques used for evaluating the economics of oil and gas investments have become progressively more sophisticated over time. The advent of computers, spreadsheets, and other software models, coupled with the advancements in uncertainty analysis methods, now allow us to make more informed decisions in less time than ever.In spite of these advances, when most E&P economic evaluations are conducted, a simplifying assumption is made which may lead to significantly erroneous results. This assumption is based on the perspective that the existence or non-existence of other projects in the same portfolio does not affect the after-tax economics of a proposed project....

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