8 1/2"x4" FIC 1503
• Suitable for ultra-hard and extremelyabrasive formations.
• Arc parabolic. Coring work stability.
• Self-sharpen impregnated diamond segmentssinter to matrix. Maintain the aggressive while coring.
• Matrix mixed with diamond segments by theunique prescription to match the formations. Optimizing the diamond cuttingedge, adhesive strength and wear resistance to obtain the better ROP.
• Radial fluid flow assures efficient cuttingremoval.
• High rotary speeds are recommended.
IADC Code:M843
Number ofBlades: 15
TFA: 0.15-1.5 in2
StandardGauge Length: 1-7/16"(37mm)
Torque onhold: 30,000 ft-lbs.
Size ofcoring tools: 6-314"x 4"
RECOMMENDED OPERATING PARAMETERS:
Hydraulic Flow Rate: 350-500 GPM/22 -32L/S
Rotation Speed: 60-500 RPM
Weight on Bit: 10-20K lbs. /45-90KN
