The sorption-corrected multiwell deconvolution method to identify shale gas reservoir containing sorption gas

In this study, we newly proposed the sorption-corrected multiwell deconvolution method for correctly identifying the shale gas reservoir containing the adsorbed gas. This method was suggested to analyze not only sharply varying production rate but also pressure-interfered data acquired from the multiwell. With the use of this method, we evaluated and compared the effective permeability and the estimated ultimate recovery (EUR) of shale reservoir with RNP method that is currently applied in shale gas industry. From the results, it was concluded that the sorption-corrected multiwell deconvolution method was found to be an excellent methodology comparing to RNP method for analyzing pressure-interfered shale gas production data containing the adsorbed gas.