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Contents of this wiki were contributed by members of the Society of Petroleum Engineers (“SPE”) and their well-qualified colleagues from material published in the recognized technical literature and from their own individual experience and expertise. Contents are reviewed by additional members with relevant expertise before a page is given the status of “Approved.” While the material presented is believed to be based on sound technical knowledge, neither the Society of Petroleum Engineers nor any of the authors or editors herein provide a warranty either expressed or implied, including any implied warranty of merchantability, fitness for a particular purpose or non-infringement. SPE disclaims any and all liability for your use of this wiki and the materials and information provided therein. Correspondingly, the discussion of materials, methods, or techniques that may be covered by letters patents, or any other intellectual property, neither implies nor grants freedom to use such materials, methods or techniques without permission through appropriate licensing.

Nothing described within this wiki should be construed to lessen the need to apply sound engineering judgment or to carefully apply accepted engineering practices in the design, implementation, or analysis of the techniques described herein.