Mapombi ekuchera eDTH anoita basa rakakosha mukuchera kwese kweDTH, zvisinei nerudzi rwedombo, kudzika kwegomba kana dhiri.

Izvo zvakakosha zvemhando yepamusoro DTH chubhu ndeyekusimba, kurongeka uye kugona.

 Drill Pipe :

1.Pipe muviri: inotonhora dhizaini isina musono pombi.saka pombi ine saizi chaiyo, yakanaka centralizer.
2.Pipe body's material is the same grade as Sandvik.
3.Thread connector:Kupisa uye Nitrogen kurapwa, saka pombi inogara yakasimba uye iri nyore kurodha nekuturunura.
4.Friction welding .

Standard DTH drill pombi:

Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm;

Kureba: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm;

Thread: 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG,

2 3/8 API IF, 3 1/2 API IF