Casing tube max lode opin 115-350mm ODEX drill bits eccentric overburden casing system fun liluho kanga omi jinlẹ

Awọn Igbesẹ Ṣiṣẹ: 1.Eto liluho apọju jẹ ninu òòlù DTH, eccentric apẹrẹ reaming ati pilot bit, ẹrọ itọsọna ati casing.Awọn eccentric bit reaming n yi ode lati lu iho nla kan ki o le jẹ ki awọn casing irin wọ inu iho nigbakanna.Eruku apata ni a ti fe jade kuro ninu iho nipase paipu casing.2.Lẹhin ti liluho si ijinle kan pato, reamer yoo fa pada nipasẹ yiyi ọna yiyi pada diẹ tabi nipa fifa ọpa, ati pe o jẹ akoko ti awọn irinṣẹ liluho le fa jade.3.Nfa casing soke ati Nibayi àgbáye nja tabi awọn ohun miiran labẹ iho.4.Lilo arinrin liluho bit le continuously lu iho, nigba ti DTH bit le lu si awọn ti a beere ijinle.