出生地 |
Sichuan China (Mainland) |
牌子的名字 |
"chuan shi" Coring Bit |
模式的数量 |
IADC Code |
CQP766 IADC Code: M732 1.PDC 2.Round Arc-crown with blade-like cutter distribution of Φ8.23mm is suitable for medium-to-hard abrasive formation. 3.The design of surface-discharge water channel can greatly reduce erosion to core by drilling fluid.