Unconventional resources play significant role with the increasing demand of hydrocarbon. Horizontal well drilling and multiple-stage hydraulic fracturing are the dominant technology required to achieve economical gas flow rates and improve gas recovery. The accurate prediction of well performance is a major challenge, which involves exploration and evaluation of gas reservoir, proper gas reservoir management, well spacing and hydraulic fractured well design, reservoir simulation and completion process, and reservoir specific issue. The identification and evaluation of tight gas reserves and proper production calculation is the priority. Integration of multi-discipline and multi-scale data is important for field development of unconventional reservoir as compared to the conventional reservoirs.

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