提升短节 Lifting Sub

品牌东源型号all用途提升钻具钻孔直径all（mm）钻孔深度aa（m）钻孔角度aa（°）外形尺寸all（mm）重量aa（t）立轴转速aa钻杆直径aa

提升短节

提升短节是石油、天然气和地质勘探钻井工程中提升钻具的专用工具。由高强度的合金结构钢经热处理后制成，其机械性能达到钻铤的机械性能要求，接头扣型符合api规范要求。按上部台肩形状分为斜台肩（18度）和直台肩（90度）两种结构，以适应吊卡的结构要求，供用户选用。

liftingsub

the lifting sub is a special toolfor lifting drill tools in drilling engineering of petroleum,natural gas and geological exploration. it is made of high strengthstructural alloy steel and processed by heat treatment. itsmechanical properties can meet the re of drill collar, andthe connections are up to api standard. according to the shape ofthe up shoulder, it can be divided into two types of slopingshoulder (18 degree) and straight shoulder (90 degree), in responseto the res of elevator’s structure and to customersuse.