It is beneficial to carry out the construction of directional well through the analysis of directional differential pipe-sticking.

对定向井压差卡钻的分析有利于更好的进行定向钻井的施工。

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Hade 4-11 well is a typical drill pipe sticking well of slim-hole and super long interval caused by damaged case to leak in Hade operation district of Tarim oilfield.

哈得4 - 11水平井属于塔里木油田哈得作业区典型的因上部套管破损漏失造成的小井眼超长井段沉砂卡钻井。

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Pipe sticking phenomenon appears sometimes during pull-back stage of pipeline crossing with horizontally directional drilling, which results in crossing failure and great economic loss.

在水平定向钻穿越管道回拖环节中，容易出现卡管现象，导致穿越失败，造成巨大的经济损失。

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