Schlumberger

5 7/8 in Z613(149.225 mm)

Product ID: 66889A0001 ER 26989


Design Specifications

Total Cutters34
Total Stinger Element Count16
Stinger Element Size9/16 in
Cutter Size13mm (1/2 in)
Face Cutters(14) 13mm
Gauge Cutters(8) 13mm
Cone Cutters(6) 13mm
Back-Up Cutters(6) 13mm
Blade Count6
Nozzles1 Standard Series 40N, 2 Standard Series 50N, 2 Standard 16 Fixed Port
Bit Connection3 1/2 Reg
Junk Slot Area, in24.501
GaugeLength: 2" Protection: Options Available
LengthMake-Up: 7.92 Overall: 11.607
Fishing NeckDiameter: 4.5 Length: 3.164

Operating Parameters

Bit Speed140 To 300 RPM
Weight-on-Bit5,000 To 30,000 (lbs)
2,272 To 13,635 (daN)
2 To 14 (Tonnes)
Flow Rate galUs/min125 To 250
Hydraulic Horsepower, HSI1 To 6
Recommended Make-up Torque6,600 To 9,850 pound ft
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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Bit design and performance have been certified through the validation process prescribed by IDEAS simulation technology.

The Stinger's unique conical geometry delivers high point loading to fracture tough-to-drill formations more efficiently.

Placed on the blade, Stinger conical diamond elements offer improved impact resistance when drilling through inter-bedded formations or when hard inclusions such as chert or conglomerates are encountered.

Bit design is available with RockStorm PDC technology. These all-in-one cutters break the paradigm and provide ultimate wear resistance and ultimate impact resistance in the same PDC cutter. As a result, faster drilling rates are delivered while increasing overall run length.

Placing thermally stable diamond inserts (TSP) on the gauge maximizes gauge retention and extends bit life.