hdd rock bits

Mũi khoan PDC HDD với mũi khoan giãn nở lệch tâm đường kính 156mm và loại mũi cắt GII cho đá Granite

114/142/156mm Eccentric Reaming HDD Rock Bits Drill Bit For Granite Rock PDC High-Speed Casing Running & Reaming Bit | Polycrystalline Diamond Compact for Oilfield Drilling XSK Series Features Reading-while-Drilling Tool: Eccentric-body design (pilot/reamer ratio: 1.2-1.5) Mechanical auto-centering ...

Mũi khoan PDC thân cứng 216mm dùng cho khoan dầu trong tầng siêu cứng

8 1/2″ 216mm PDC Drill Bit Rigid Body Oil Drilling HDD Rock Bits In Ultra Hard Strata 8 1/2″ 216mm XH7163BA PDC Drill Bits with Rigid Body: Suitable for Oil Drilling in Ultra-Hard Strata XH Series Features Suitable for increasing durability and footage The optimized profile makes the load distributi...