整体提升短节整体提升短节是石油、***和地质勘探钻井工种中提升钻具的专用工具。整体式结构的提升短节，分a,b，两种，如图所示。a型是18度台肩，b型为90度台肩。使用时可根据吊卡的结构型式选择a型或b型提升短节。所有螺纹符合API标准。是钻井过程中提升钻具的专用工具。分斜台肩和直台肩两种结构。IntegralLiftingSubIntegralLiftingSubisthespecialtoolsforliftingofthedrilltoolsinpetroleum,naturalgasindustryandgeologicexploration.Thedrilltoolliftingsubisdividedintoaorbtypestructure.Theatypehas18degreeshoulder,thebtypehas90degreeshoulder.Theliftingsubcanbeselectedaccordingtoelevator’sstructure.Theintegralliftingsubsaremadeofhighstrengthalloysteel.Allconnecti***arecompliedwithAPIstandard.整体提升短节技术参数SpecificationofIntegralLiftingSub公称尺寸NorminalsizeD&plu***n;0.08（1/32mm（in）内径I.Dd/mm外螺纹接头ExternalThread提升端LiftEnd螺纹类型TypesofThread外径O.DDp&plu***n;0.08（&plu***n;1/32）Mm（in）倒角直径BevelDia.Df/mm大钳咬合长度LengthofActionLpb/mm外径O.DDb&plu***n;0.08Mm吊卡台肩根部圆角半径CornerRadiusofShoulderEndRse&plu***n;0.04Mm大钳咬合长度LengthofActionLb/mm71.0（27/8）31.8NC2379.4（31/8）76.2250.0111.14.8100.044.5NC26（23/8）88.9（31/2）82.988.9（31/2）54.0NC31（27/8）104.8（41/8）100.4127.050.8NC35120.7（43/4）114.768.3NC38（31/2IF）127.0（5）121.0127.0（5）71.4N***4152.4（6）144.5168.36.4158.8（61/4）149.282.695.3N***6（4IF）158.8（61/4）150.0165.1（61/2）154.8171.5（63/4）159.5NC50（41/2IF）177.8（7）164.7184.2（71/4）169.5NC56196.8（73/4）185.3300.0203.2（8）190.165/8REG209.6（31/4）195.7NC61228.6（9）212.775/8REG241.3（91/2）223.8NC70247.7（93/4）232.6254.0（10）237.3NC77279.4（11）260.7)