环面损失
at users' convenience in fields, the calculating steps and samples were given which quantitatively analyzed the influences of drill stem offcenter, drill pipe rotation and tool joints on annulus pressure loss.
通过实例计算,定量分析了钻柱偏心、钻柱旋转和钻柱接头对环空压力损耗的影响。
A predicting method of pressure loss in realistic annulus DS ring
预测实际环空中压降的方法
A Method for Computing the Circulating Pressure Loss in Slim Hole Annulus
小井眼环空循环压耗预测系统方法
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