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9 1/2 EBS1646
EASTAR
| PRODUCT SPECIFICATIONS | |||||||
| Number of Blades | 6 | ||||||
| Cutter Quantity | 42+36 | ||||||
| Primary Cutter Size | 16+13mm | ||||||
| Primary Cutter Quantity | 24+24 | ||||||
| Gauge Length | 40 mm | ||||||
| Junk Slot Area | 13000 mm2 | ||||||
| Connection | 4 1/2 REG | ||||||
| Bit Weight | 59 Kg | ||||||
| Nozzle Quantity/Type | 10P | ||||||
| OPERATING RECOMMENDATIONS | |||||||
| Weight on Bit | 30～140 KN | ||||||
| Rotatoin Speed | 50～200 RPM | ||||||
| Hydraulic Flow Rate | 25～48 L/s | ||||||
| Design Features | |||||||
| EB series bi-center & eccentric drill bit | |||||||
| Suitable for drilling expandable mudstone as well as for drilling deepening wells and secondary completion to enlarge annular space for casing and improve well cementing quality. | |||||||
| Large size borehole can be maximally enlarged to 2 inches larger than through diameter；Centralizers are not needed when using this series of bit. | |||||||
| PRODUCT SPECIFICATIONS | |||||||
| Number of Blades | 6 | ||||||
| Cutter Quantity | 42+36 | ||||||
| Primary Cutter Size | 16+13mm | ||||||
| Primary Cutter Quantity | 24+24 | ||||||
| Gauge Length | 40 mm | ||||||
| Junk Slot Area | 13000 mm2 | ||||||
| Connection | 4 1/2 REG | ||||||
| Bit Weight | 59 Kg | ||||||
| Nozzle Quantity/Type | 10P | ||||||
| OPERATING RECOMMENDATIONS | |||||||
| Weight on Bit | 30～140 KN | ||||||
| Rotatoin Speed | 50～200 RPM | ||||||
| Hydraulic Flow Rate | 25～48 L/s | ||||||
| Design Features | |||||||
| EB series bi-center & eccentric drill bit | |||||||
| Suitable for drilling expandable mudstone as well as for drilling deepening wells and secondary completion to enlarge annular space for casing and improve well cementing quality. | |||||||
| Large size borehole can be maximally enlarged to 2 inches larger than through diameter；Centralizers are not needed when using this series of bit. | |||||||
