张平占, 叶礼明, 耿洪州. 地层压力和大直径套管抗挤压力计算[J]. 煤田地质与勘探, 1995, 23(1): 62-66.
引用本文: 张平占, 叶礼明, 耿洪州. 地层压力和大直径套管抗挤压力计算[J]. 煤田地质与勘探, 1995, 23(1): 62-66.
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Zhang Pingzhan, Ye Liming, Geng Hongzhou. DISCUSSION ON OVERBURDEN PRESSURE TO AND ANTI-COLLAPSING STRENGTH OF THE CASING PIPE[J]. COAL GEOLOGY & EXPLORATION, 1995, 23(1): 62-66.
Citation: Zhang Pingzhan, Ye Liming, Geng Hongzhou. DISCUSSION ON OVERBURDEN PRESSURE TO AND ANTI-COLLAPSING STRENGTH OF THE CASING PIPE[J]. COAL GEOLOGY & EXPLORATION, 1995, 23(1): 62-66.
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地层压力和大直径套管抗挤压力计算

DISCUSSION ON OVERBURDEN PRESSURE TO AND ANTI-COLLAPSING STRENGTH OF THE CASING PIPE

    摘要
  • 摘要: 介绍了上覆地层压力和粘土吸水膨胀对套管挤压力以及大直径套管受外挤力失稳破坏的计算方法。解决了现场遇到的实际问题。

     

    Abstract: The overburden pressure and its side effect as wellas the pressure from clay swelling to the φ529 mm casing pipe in a bore hole are discussed in the paper. The calculating method of the anti-collapsing strength of large-size casing pipe is introduced. And one casing trouble in the field site was successfully solved by using the calculating methed.

     

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