Drill bit Parameters
Tri-cone bit type
8 1/2'' 124
API Pin Connection
4 1/2'' API REG
Soft with low compressive strength and high drillability, such as shale, clay, salt bed and soft limestone, etc.
High footage and ROP under the conditions of medium low WOB and relatively high RPM.
Note: the upper limits for the bit weight and rotary speed recommend in the table can not be used at the same time.