Li Zhiming, Zhang Yanfu, Wang Jiping, Yin Youquan, Zhang Xingchao. ADDTIONAL LOAD OF CASING USED IN CREEP FORMATION[J]. Oil Drilling & Production Technology, 1999, 21(5): 10-13,41. DOI: 10.3969/j.issn.1000-7393.1999.05.003
Citation: Li Zhiming, Zhang Yanfu, Wang Jiping, Yin Youquan, Zhang Xingchao. ADDTIONAL LOAD OF CASING USED IN CREEP FORMATION[J]. Oil Drilling & Production Technology, 1999, 21(5): 10-13,41. DOI: 10.3969/j.issn.1000-7393.1999.05.003
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ADDTIONAL LOAD OF CASING USED IN CREEP FORMATION

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  • This paper discusses influences of formation creep features on the casing load of producers and injectors.If the casing is a pure elastic body,the creep load of the casing will increase from zero to the stable and maximum load with the times.Numerically,the maximum load is not larger than two times of the original maximum horizontal main stress.The study is valuable for reference to the selection of casing used in creep formation.
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