结果表明。 两模式都可用于预测水平井段岩屑床厚度。
The test results show that both models can be used to calculate cuttings bed thickness in the horizontal section.
射孔井段长，射孔枪在水平井段震动大，可能发生卡钻事故。
The perforated interval is long and perforating gun is in much vibration at horizontal section, which may cause pipe sticking accident.
当钻杆进入垂直或水平井段时，大孔径旁通自动打开，将泥浆无阻碍导入环空。
Large bypass ports open automatically as drill pipe is run into the vertical or horizontal wellbore, diverting mud into the annulus above any restrictions.
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