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Product Description
Tricone Drill Bit
8 1/2" S537G tricone drill bit original CS brand of tungsten carbide drill rock bit for oil well drilling
A tricone bit is a mechanical drill bit located in the bottom hole assembly. The bit cuts away the surface of the rock being
drilled through rotation and mechanical friction caused by the teeth of the bit. Tricone bits are designed to take the energy of the rotating drill string and the supply of mud and to apply this force to deepen the well.
drilled through rotation and mechanical friction caused by the teeth of the bit. Tricone bits are designed to take the energy of the rotating drill string and the supply of mud and to apply this force to deepen the well.
Product name | 8 1/2" S537G tricone drill bit original CS brand of tungsten carbide drill rock bit for oil well drilling |
Size | 8 1/2inch,215.9mm |
type | tungsten carbide rock drill bit |
Bearing type | rubber sealed journal bearing |
thread | 4 1/2" API Reg pin |
Gauge protection | gauge protection |
WOB | 0.35~1.05KN/mm |
RPM | 80~400r/min |
Application formation | medium hard with high compressive strength and thick&hard stringers,such as hard hale,limestone,sandstone and dolomite,etc. |
Weight | 42kg |
Industrial standard | SY/T5164 |
MOQ | 1 |
| Recommended Drilling Parameters | |||
| IADC | WOB(kn/mm) | RRM(r/min) | Applicable Formations |
| 116 117 | 0.35~0.8 | 150~80 | Very soft formations with low compressive strength and high drillability.such as clay,mudstone,chalk,etc. |
| 126 127 | 0.35~0.9 | 150~70 | Soft formations with low compressive strength and high drillability,such as mudstone,gypsum,salt,salt,soft shale,soft limstone,etc. |
| 136 137 | 0.35~1.0 | 120~60 | Soft to medium soft formations with low compressive strength and high drillability,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds,etc. |
| 216 217 | 0.4~1.0 | 100~60 | Medium hard formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft for mations with harder interbeds etc. |
| 246 247 | 0.4~1.0 | 80~50 | Medium hard formations with high compressive strength,such as abrasive shale,limestone,sandstone,dolomite,hadr gypsum,marble,etc. |
| 417 437 447 | 0.35~0.9 | 150~70 | Very soft formations with low compressive strength and high drillability,such as clay,gypsum,salt,soft shale,soft limestone,etc. |
| 517 527 | 0.5~1.0 | 140~60 | Soft formations with low compressive strength ang high drillability such as mudstone,gypsum,salt,soft shale,soft limestone,etc. |
| 537 547 | 0.45~1.0 | 120~50 | Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,mediun soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds.etc. |
| 617 627 | 0.45~1.1 | 90~50 | Medium hard formations with high compressive strength such as hadr shale,limestone,sandstone,dolomite,etc. |
| 637 | 0.5~1.2 | 80~40 | Hard formations with high compressive strength, such as sandstone,limestone,dolomite,hard gypsum,marble,etc. |
