产品详情介绍
钻具提升短节是石油、天然气和地质勘探钻井工程中提升钻具的专用工具。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形式选择a型或b型提升短节所有螺纹符合API spec 7-1标准。
Drill tool lifting sub is the special tools for lifting of the drilltools in petroleum,natural gas industry and geologic exploration ,Drill tool lifting sub is divided into a or b type structure.The a type has 18 degree shoulder,the b type has 90degree shoulder.The liftingSub be selected according to elevator structure.Integral lifting sub are made of high strength alloy steel.All connections are complied with API spec 7-1.
