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《Journal of Yanshan University》 2008-02
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Research on setting ability for working strings in deep well

DU Xian-fei~1 WANG Hai-wen~1 WANG Shuai~1 LIU Jun-xia~1 (1.College of Petroleum Engineering,China University of Petroleum(East China),Dongying,Shandong 257061,China)  
The study of setting ability for working string in deep wells has a significant instructional importance in successfully up- ward and downward straining of string and can also assure the success of the operation.Considering all kinds of factors that affect friction,such as the shape,hardness and geometry of the string,the general shape of the well bore and the hole diameter established a more reasonable analyzing model for friction.By using the freely flexed beam and corrected mushy model respectively,analyzed the friction of the section of the string with a centralizer and without a centralizer,formed the safety criterion for the string setting into the well and thus can evaluate the ability of the string setting in the deep wells.
【CateGory Index】: TE931.2
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