DTH laum cov kav dej ua lub luag haujlwm tseem ceeb hauv txhua qhov DTH drilling, tsis hais hom pob zeb, qhov tob lossis laum rig.

Cov yam ntxwv tseem ceeb ntawm lub siab zoo DTH raj yog durability, raug thiab tswj tau.

 Drill Pipe:

1. Tube lub cev: txias kos seamless yeeb nkab.yog li cov yeeb nkab muaj qhov loj me, zoo centralizer.
2.Pipe lub cev cov khoom yog tib qib raws li Sandvik.
3.Thread connector: Kev kho cua sov thiab Nitrogen, yog li cov yeeb nkab muaj zog dua thiab yooj yim rau kev thauj khoom thiab tshem tawm.
4. Kev sib txhuam vuam.

Standard DTH laum yeeb nkab:

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

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

Xov: 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