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METHOD AND DEVICE FOR IDENTIFYING STRUCTURE OF FLOW FIELD IN UNCONVENTIONAL GAS RESERVOIR
METHOD AND DEVICE FOR IDENTIFYING STRUCTURE OF FLOW FIELD IN UNCONVENTIONAL GAS RESERVOIR
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机译:非常规气藏流场结构识别方法及装置
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#$%^&*AU2020102430A420201105.pdf#####Abstract A method for identifying structure of flow field in unconventional gas reservoir is provided. The unconventional gas reservoir comprises at least one horizontal well, for any horizontal well in the at least one horizontal well, the method comprises: during fracturing fluid flowback stage, obtaining first production data, and drawing an actual production curve diagram of the fracturing fluid flowback stage; obtaining reservoir physical parameters corresponding to different fracture network forms and second production data, and performing numerical simulations on water production rate, gas production rate and casing pressure of the fracturing fluid flowback stage, and drawing layouts of structure of flow field corresponding to different fracture network forms of the fracturing fluid flowback stage; and comparing the actual production curve diagram with the layouts of structure of flow field corresponding to different fracture network forms to identify structure of flow field of the reservoir after fracturing.Figure I Figure 2 1/5
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