Umuyoboro wa 89mm wo gutobora amazi neza hamwe na API NIBA umugozi
Iyi miyoboro y'amazi yo gucukura neza, uburyo bugufi bwo kumanura umwobo, ni ubwoko bwimyitozo yo hanze.Ikoreshwa cyane mubucukuzi bwa percussive burimo imyuka n'amazi.Ibigize byingenzi birimo umubiri (inkoni) umubiri hamwe.
Hasi yacu umwobo wimyanda ikorwa hashingiwe kubipimo bya API.Kandi dukurikije ibisabwa byihariye, turatanga kandi ubu bwoko bwa DTH drill pipe muburyo butandukanye bwabashinwa nabanyamerika.
Kubijyanye nibyiza byayo, ifite ibiranga gukomera, ubushobozi bwiza bwo gufunga, imiterere yinyuma yo hanze, hamwe na torque nkeya no kurwanya iyo bizunguruka.
Kubijyanye no gupakira, umugozi wimiyoboro ya DTH izapakirwa numurongo umwe wicyuma, naho bundle izaba ifite imiyoboro ya 30 kugeza 40.
Ibipimo bya tekinike byumuyoboro wa DTH (Hanze ya Flat Drill Rod):
| Diameter | Uburebure | Inzu ya Wrench | Imitwe |
| 50-194mm | 500-10700mm | 40、57、65、75、83、95mm | F42 × 10 F48 × 10 2 3 / 8''API REG |
| 2 7 / 8''API REG 3 1 / 2''API REG 2 3 / 8''API NIBA | |||
| 3/2 ”BECO 4 ”BECO 4 1/2 ”BECO | |||
| 5 1/4 ”BECO |
