刘玉石, 周煜辉, 黄克累. 井眼温度变化对井壁稳定的影响[J]. 石油钻采工艺, 1996, 18(4): 1-4. DOI: 10.3969/j.issn.1000-7393.1996.04.001
引用本文: 刘玉石, 周煜辉, 黄克累. 井眼温度变化对井壁稳定的影响[J]. 石油钻采工艺, 1996, 18(4): 1-4. DOI: 10.3969/j.issn.1000-7393.1996.04.001
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Liu Yushi, Zhou Yuhui, Huang Kelei. TEMPERATURE OF BOREHOLE EFFECT ON WELL WALL STABILITY[J]. Oil Drilling & Production Technology, 1996, 18(4): 1-4. DOI: 10.3969/j.issn.1000-7393.1996.04.001
Citation: Liu Yushi, Zhou Yuhui, Huang Kelei. TEMPERATURE OF BOREHOLE EFFECT ON WELL WALL STABILITY[J]. Oil Drilling & Production Technology, 1996, 18(4): 1-4. DOI: 10.3969/j.issn.1000-7393.1996.04.001
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井眼温度变化对井壁稳定的影响

TEMPERATURE OF BOREHOLE EFFECT ON WELL WALL STABILITY

    摘要
  • 摘要: 在深井钻井施工时,井底温度较高。钻井液循环过程中上部地层井壁温度升高。井壁围岩受热膨胀,产生膨胀应力。应用热弹性力学方法求解井壁由于温度变化而导致的应力场变化,并定量地给出温度变化对井壁稳定的影响,对深井安全施工有一定指导意义。

     

    Abstract: During drilling in deep well,the bottom hole temperature is higher so that temperature in upper wellbore rises when drilling fluid circulating.High temperature made surrounding rocks swell and produce expansion stress.Using thermal elastic mechanics illustrate changing of stress field caused by temperature changing of well wall and describe the change of temperature effect on stability of wellbore.

     

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