Design Specifications
Make up Length (ft): .83
Shank Bore (ins): 2.283
Shank Diam (ins): 6.356
Connection std: Y
Connection Size(ins): 4.5
Connection Type: REG PIN
Make up Torque (ft-lbs): 18000 – 20000
IADC Code: S422
Diameter:(ins) 8 ½”
Body Material: Steel
JSA(in²): 13.400
Face Volume:(in³) 71.15
Normalised Face vol: 47.06%
Blade Qty: 6
Gauge Length:(ins) 3.000
Gauge Geometry: Spiral-Trailing
Gauge Profile: SmoothSteer
Bit Profile: Medium Taper – Shallow Cone
Recommended Operating Parameters
Max Operating WOB (klbs): 38
Min TFA (in2): 0.2946
Max TFA (in2): 2.2272
Max Flow (gpm): 934
HSI: 1-6
Bit Breaker: Thick 1½”
Variant: J8