Imashini ya DTH ikomatanya SWDR
Urukurikirane rwa SWDR rufunguye mu kirere DTH ya drill ifite ibikoresho bitatu 8.5-10m byimyitozo ngororamubiri, bigabanya imikorere yo guhindura inkoni kandi bikazamura imikorere myiza. Umutwe ukomeye uzunguruka urabemerera gukomeza gukora neza nubwo ukorana na diameter nini. Moderi yo mu kirere yorohereza kubungabunga. Mugihe kimwe, imashini irashobora guhindurwa mumashanyarazi ya mazutu kugirango ihuze ibintu bitandukanye.