| Type: | Drill Bit |
|---|---|
| Material: | Alloy Steel, Tungsten Carbide |
| Usage: | Well Drilling |
| Model Number: | Steel Tooth Bit, TCI Bit |
| Bearing Type: | Sealed Bearing and Non-Sealed Bearing |
| Suitable Formation: | Soft, Medium Soft, Hard, Medium Hard, Very Hard |
| Customization: |
|---|
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| BIT SPECIFICATION | |
Bit Size |
13 5/8'' 346mm |
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. |
| IADC | WOB | RPM | Applicable Formations | ||||||
| (KN/MM) | (r/min) | ||||||||
| (Bit Dia) | |||||||||
| 116 117 | 0.35~0.8 | 150~80 | Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk etc. | ||||||
| 126 127 | 0.35~0.9 | 150~70 | Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,softshale.soft limestone,ect. | ||||||
| 136 137 | 0.35~1.0 | 120~60 | Soft to mesium 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 nterbeds,ect. | ||||||
| 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 formation with harder interbeds ect. | ||||||
| 246 247 | 0.4~1.0 | 80~50 | Medium hard formations with high compressive strength,such as abrasive shale.limestone,sandstone,dolomite,hard gypsum,marble,ect. | ||||||
| 417 437 | 0.35~0.9 | 150~70 | Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk,gypsum,salt,soft shale,soft limestone,etc. | ||||||
| 447 | |||||||||
| 517 527 | 0.35~1.0 | 140~60 | Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,soft shale.soft limestone,ect. | ||||||
| 537 547 | 0.45~1.0 | 120~50 | Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,ect. | ||||||
| 617 627 | 0.45~1.1 | 90~50 | Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,ect. | ||||||
| 637 | 0.5~1.2 | 80~40 | Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum,marble,ect. | ||||||
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