Schlumberger

12 3/8 in H1209D V7RPD N12(314.325 mm)


Design Specifications

Total Inserts48
Gauge Inserts(12) 22mm
Face Inserts(30) 18mm
PD Inserts(6) 18mm
Nozzles3 - 1.23" Fixed Port
Junk Slot Area (sq in)7.92
Gauge Length2"
Bit ConnectionN12
Fishing Neck (in)10.7 x 5.0
Shipping Weight (lbs)450

Operating Parameters

Rotary Speed (RPM)20 - 40
Weight-on-Bit4,000 To 8,000 (lbs)
1,818 To 3,636 (daN)
2 To 4 (Tonnes)
Flow Rate (CFM)3000 To 6000
The operating parameters listed here are general parameters, please contact your local Smith Bits representative for precise recommendations for your individual well.

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