Ikhola yokubhola

I-Drill Collar yenziwe ngentsimbi ecinyiweyo nethambileyo ye-AISI 4145H kwaye iphathwa ngobushushu kuyo yonke ubude bayo ukuze iqine ngokulinganayo kwaye ihlale ixesha elide. Uvavanyo oluqinileyo lwe-metallurgical lwenziwa ngokweemfuno ukuqinisekisa ukuba unyango lobushushu luvelisa ubunzima obuhambelanayo nobuphezulu kubunzulu bebha.

I-Landrill inika iikhola zokubhola ezisemgangathweni kwaye zijikelezwe ukusuka kwi-3-1/8” OD ukuya kwi-14” OD ngokweenkcazo ze-API, NS-1 okanye ze-DS-1.