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Journal of Engineering and Applied Science

Table 3 Decline curve models of well_1 that do not consider the flow behavior of shale gas for prediction performance according to data size

From: Assessing the accuracy of empirical decline curve techniques for forecasting production in unconventional reservoirs: a case study of Haynesville, Marcellus, and Marcellus Upper Shale

  1. (a) ( +) means that the model tends to be over estimator of the reserve. (-) means that the model tends to be under estimator of the reserve. (*) means that the model tends to be good estimator of the reserve
  2. (b) Yellow is recommended methods, blue is not recommended methods, green is transient flow period, pink is BDF
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