卡点计算表钻头深度（m）钻具直径钻具壁厚K值（mm）（mm）（KN）（KN）（cm）（KN）（cm）（KN）（cm）（m）悬重一次悬重一次伸长二次悬重二次伸长三次悬重三次伸长卡点深度1870350012712788.988.988.973.02488.99.197.526.459.3511.45.5129.35714.279592.766350.849490.707582.877245.5054905.905.905.905.6600800600600600600954954954954720980720720720720100011001200110025252525252570104104800120080080080080011004444444444441049009009009009009001200701569.34701187.4570770.8498701078.13701280.63770539.398310830952.327465.043478
3494.42153.678049
3158.4
