A General Model for Analyzing the Unsteady Pressure Performance of Composite Gas Reservoirs

Yu Huang (), Mingfeng Ma, Xin Wang and Xiaoping Li ()
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Yu Huang: College of Safety Engineering, Chongqing University of Science & Technology, Chongqing 401331, China
Mingfeng Ma: College of Safety Engineering, Chongqing University of Science & Technology, Chongqing 401331, China
Xin Wang: College of Safety Engineering, Chongqing University of Science & Technology, Chongqing 401331, China
Xiaoping Li: State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China

Energies, 2022, vol. 15, issue 22, 1-15

Abstract: Based on the previous study of a single medium model, the dual medium model for the fractured composite reservoir and the triple medium model for a fracture–cavity composite reservoir was established, respectively. The similarities and differences in the corresponding pressure dynamic curves of each model were analyzed, and the general model of a composite gas reservoir composed of different inner and outer zones was obtained. The general model can be more easily used in actual production, and the accuracy and practicability of the model were verified by case analysis.

Keywords: general model; fluid flow; percolation; composite reservoir (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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