河間市普菲克鉆井設(shè)備有限公司 8.5英寸三牙輪鉆頭 IADC 637
Drill Bit Parameters | Application | |
Size | 8 1/2" | Hard formations with high compressive strength, such as sandstone, limestone, dolomite, hard gypsum, marble, etc. |
IADC | 637 | |
WOB(KN/mm) | 0.5-1.2 | |
RPM(r/min) | 80-40 | Note: the maximum value of WOB and RPM in this table can not be adopted at the same time. |
API Pin Connection | 4 1/2" API REG |