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BIT SPECIFICATION | |
Bit Size |
22’’ ,558.8mm |
IADC Code |
537 |
Series | HR |
Tooth type | TCI/tungsten carbide insert |
Connection |
7 5/8 API REG PIN |
Bearing | rubber sealed bearing |
Nozzle |
three jet nozzles |
Rotary Speed(rpm) |
120~50 |
Weight on Bit(KN/MM) |
0.45~1.0 |
Application | water well,oil well,HDD,exploration,etc |
Formation | Soft to medium formation with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,etc. |
BIT SPECIFICATION | |
Bit Size |
22’’ ,558.8mm |
IADC Code |
537 |
Series | HR |
Tooth type | TCI/tungsten carbide insert |
Connection |
7 5/8 API REG PIN |
Bearing | rubber sealed bearing |
Nozzle |
three jet nozzles |
Rotary Speed(rpm) |
120~50 |
Weight on Bit(KN/MM) |
0.45~1.0 |
Application | water well,oil well,HDD,exploration,etc |
Formation | Soft to medium formation with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,etc. |
