Method and device for analyzing annulus pressure monitoring data of gas wellhead casing pipe
作者： Li Jingcui , Xia Yan , Zhang Hong , Shen Ruichen , Ban Fansheng
DOI:
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摘要: The invention discloses a method and device for analyzing annulus pressure monitoring data of gas wellhead casing pipe, relates to the field oil development wellbore integrity.The analysis includes that first along with change time is obtained through actual measurement; well bore structure parameters well, temperature property are obtained; time, parameters, predetermined prediction analytical model fitted obtain cement permeability, near formation initial column height; liquid height based on pressure, maximum other steps further included. can perform effective quantitative provide basis formulation pressuremanagement regulation.
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