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8 1/2 - 8 5/8 ERS1615
EASTAR
| PRODUCT SPECIFICATIONS | |||||||
| Number of Blades | 5 | ||||||
| Cutter Quantity | 66 | ||||||
| Primary Cutter Size | 16mm | ||||||
| Primary Cutter Quantity | 31 | ||||||
| Gauge Length | 70mm | ||||||
| Junk Slot Area | 7500mm2 | ||||||
| Connection | 4 1/2 REG | ||||||
| Bit Weight | 45KG | ||||||
| Nozzle Quantity/Type | 7NZ | ||||||
| OPERATING RECOMMENDATIONS | |||||||
| Weight on Bit | 30～120 KN | ||||||
| Rotatoin Speed | 50～250 RPM | ||||||
| Hydraulic Flow Rate | 25～40 L/S | ||||||
| Recommended Torque | 16.63～23.71 Kn•m | ||||||
| Design Features | |||||||
| Suitable for drilling soft to medium hard formations | |||||||
| Bit body is made of superior alloy steel which has excellent strength and toughness&Bit surface is reinforced in order to prevent erosion and prolong service life of the bit. | |||||||
| Middle or low density cutter arrangement and deep & wide junk slot design to satisfy requirement for fast drilling applications. | |||||||
| Applicable range of the bit is widened through utilization of technologies such as impact resistant cutting structure and auxiliary cutters, etc | |||||||
| CFD hydraulic balance design. | |||||||
| PRODUCT SPECIFICATIONS | |||||||
| Number of Blades | 5 | ||||||
| Cutter Quantity | 66 | ||||||
| Primary Cutter Size | 16mm | ||||||
| Primary Cutter Quantity | 31 | ||||||
| Gauge Length | 70mm | ||||||
| Junk Slot Area | 7500mm2 | ||||||
| Connection | 4 1/2 REG | ||||||
| Bit Weight | 45KG | ||||||
| Nozzle Quantity/Type | 7NZ | ||||||
| OPERATING RECOMMENDATIONS | |||||||
| Weight on Bit | 30～120 KN | ||||||
| Rotatoin Speed | 50～250 RPM | ||||||
| Hydraulic Flow Rate | 25～40 L/S | ||||||
| Recommended Torque | 16.63～23.71 Kn•m | ||||||
| Design Features | |||||||
| Suitable for drilling soft to medium hard formations | |||||||
| Bit body is made of superior alloy steel which has excellent strength and toughness&Bit surface is reinforced in order to prevent erosion and prolong service life of the bit. | |||||||
| Middle or low density cutter arrangement and deep & wide junk slot design to satisfy requirement for fast drilling applications. | |||||||
| Applicable range of the bit is widened through utilization of technologies such as impact resistant cutting structure and auxiliary cutters, etc | |||||||
| CFD hydraulic balance design. | |||||||
