本文建立了在水平分支井眼中的钻柱摩擦阻力微分方程,并得到了在起、下钻过程中钻柱的总摩阻。
In this paper, the differential equation for the frictional resistance on the drill string in branch horizontal Wells was established and the total drill string friction during tripping was got.
本文建立了在水平分支井眼中的钻柱摩擦阻力微分方程,并得到了在起、下钻过程中钻柱的总摩阻。
In this paper, the differential equation for the frictional resistance on the drill string in branch horizontal Wells was established and the total drill string friction during tripping was got.
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