Zhang Xiaoyu, Zhang Xianpu, Zhao Guozhen, Sun Jianhua, Liu Jisong. FUZZY DIAGNOSIS ABOUT CASING DEFORMATION IN OIL AND WATER WELL[J]. Oil Drilling & Production Technology, 1996, 18(3): 9-14. DOI: 10.3969/j.issn.1000-7393.1996.03.002
Citation: Zhang Xiaoyu, Zhang Xianpu, Zhao Guozhen, Sun Jianhua, Liu Jisong. FUZZY DIAGNOSIS ABOUT CASING DEFORMATION IN OIL AND WATER WELL[J]. Oil Drilling & Production Technology, 1996, 18(3): 9-14. DOI: 10.3969/j.issn.1000-7393.1996.03.002
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FUZZY DIAGNOSIS ABOUT CASING DEFORMATION IN OIL AND WATER WELL

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  • There are a lot of causes of casing failure.It is difficult to diagnosis downhole damaged casing,neither to predict casing condition.This paper presented a fuzzy evaluating method to analyze casing condition.On the basis of large number of field data,the relation between causes of damage and casing failure was established which can predict casing condition using field condition and founding anew path to predict casing life.
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