SD鉆桿卡瓦

鉆桿卡瓦適用的鉆桿直徑為2 3\8- 5?in ( 60.3-139.7mm),按卡瓦牙與鉆桿的接觸長度分為短型( SDS )、中型( SDML)和加長型(SDXL)。SDS適用于淺井、SDML適用于中深井、SDXL適用于深井。

Rotary Slips can accommdate drill pipe form2 3\8 to 5? 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.

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