Dynamic production prediction and parameter identification for gas well with vertical fracture |
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Authors: | Guo Da-li Liu Ci-qun Zhao Jin-zhou |
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Affiliation: | 1. Department of Computer Science, Southwest Petroleum Institute, Nanchong 637001, P. R. China;2. Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, P. R. China;3. Department of Post Graduate, Southwest Petroleum Institute, Nanchong637001, P. R. China |
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Abstract: | In order to devoid the hard work and factitious error in selecting charts while analyzing and interpreting hydraulic fracturing fracture parameters, on the basis of the non_Darcy flow factor, this paper put out the non_Darcy flow mathematical model of real gas in the formation and fracture, established the production history automatic matching model to identify fracture parameters, and offered the numerical solutions of those models, which took the variation of fracture conductivity in production process. These results offered a precise and reliable method to understand formation, analyze and evaluate the fracturing treatment quality of gas well. |
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Keywords: | gas well fracturing non_Darcy flow in porous media fracture conductivity parameter identification automatic matching |
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