李志明, 张颜福, 王计平, 殷有泉, 张杏超. 蠕变地层中套管的附加载荷[J]. 石油钻采工艺, 1999, 21(5): 10-13,41. DOI: 10.3969/j.issn.1000-7393.1999.05.003
引用本文: 李志明, 张颜福, 王计平, 殷有泉, 张杏超. 蠕变地层中套管的附加载荷[J]. 石油钻采工艺, 1999, 21(5): 10-13,41. DOI: 10.3969/j.issn.1000-7393.1999.05.003
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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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蠕变地层中套管的附加载荷

ADDTIONAL LOAD OF CASING USED IN CREEP FORMATION

    摘要
  • 摘要: 研究了地层的蠕变特性对油水井套管载荷的影响。首先将套管看作纯弹性,套管的蠕变载荷从零开始,随时间增长而增大,在经过充分时间后,它趋于一个稳定的即最大的载荷分布,这个载荷分布在数值上不超过原场最大水平主应力值的2倍。对蠕变地层中套管的选用有重要的参考价值。

     

    Abstract: 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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