SD钻杆卡瓦

钻杆卡瓦适用的钻杆直径为2 3\8- 5½in ( 60.3-139.7mm),按卡瓦牙与钻杆的接触长度分为短型( SDS )、中型( SDML)和加长型(SDXL)。SDS适用于浅井、SDML适用于中深井、SDXL适用于深井。

Rotary Slips can accommdate drill pipe form2 3\8 to 5½ inch (60.3-139.7mm) O.D..They are classified as type (SDS ),Medium ( SDML) and Extra Long (SDXL) asscrding to gripping lenght.SDS slips aredesigned for shallow hole drilling, SDML slips are the perfect choice for all medium depth drilling,SDXL slips are designed for deep drilling.

技术规范( TECHNICAL SPECIFICATIONS ) :