12 1-4 IADC117

Category:

Description

Applicable Conditions

  • Formations: Soft to Medium Hard Formation of Low Crushing Resistance
  • Drilling Condition:
    • Rotary Drilling

Bit Specifications

Parameter Specification
Bit Size 12 1/4″ (311.1 mm)
Model / Type LR517G
IADC Code 517
Bearing Type Journal Bearing
Total Insert Count 122
Gage Row Insert Count 48
Number of Gage Rows 3
Number of Inner Rows 7
Journal Angle 33°
Offset 9.5 mm
API Connection 6 5/8″ Reg. Pin
Features G: Extra Gauge Protection

General Operating Parameters

Parameter Recommended Range
Weight on Bit (WOB) 109 – 327 KN
Rotary Speed (RPM) 140 – 50 RPM
Recommended Upper Torque 37.93 – 43.3 KN·m