试题与答案

计算题:某井在3000m时发生卡钻,井内使用钻具壁厚为9.19mm,直径为127mm

题型:问答题 简答题

题目:

计算题:某井在3000m时发生卡钻,井内使用钻具壁厚为9.19mm,直径为127mm,上提钻具的平均拉力为31.36kN,钻具平均伸长64cm。求卡点深度为多少?(系数K=935)

已知:K=935,L=64cm,F=31.36kN

求:H=?

答案:

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