Hydraulic fracturing stimulation has become a routine for the development of shale oil and gas reservoirs, which creates large volumes of fracturing networks by helping the hydrocarbon to transport quickly into the wellbore. However, the optimal fracture spacing distance and fracture conductivity are still unclear for the field practice, even though the technique has improved significantly over the last several years. In this work, an analytical method is proposed to address it. First, the analytical production rate for a single fracture is proposed, and then, we apply Duhamel principle to obtain the production rate of a horizontal well with multifractures. Based on this model, the flow regimes and essential affecting factors including fracture spacing, fracture conductivity, and skin factor are analyzed in this work. The optimal values and suggestion are provided based on the simulation results.
Production Performance Evaluation of Multifractured Horizontal Wells in Shale Oil Reservoirs: An Analytical Method
Contributed by the Petroleum Division of ASME for publication in the Journal of Energy Resources Technology. Manuscript received March 3, 2019; final manuscript received May 5, 2019; published online May 28, 2019. Assoc. Editor: Gensheng Li.
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Meng, X., and Wang, J. (May 28, 2019). "Production Performance Evaluation of Multifractured Horizontal Wells in Shale Oil Reservoirs: An Analytical Method." ASME. J. Energy Resour. Technol. October 2019; 141(10): 102907. https://doi.org/10.1115/1.4043747
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