| Customization: | Available |
|---|---|
| Type: | Core Drill Bit |
| Material: | High Carbon Steel |
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
| IADC | Recommended parameters |
Applicable Formations | |
| 116\117 | 0.3-0.8 | 150-70 | Soft formation with low compressive strength and high drillability,such as mudstone,clay,chalk,etc |
| 126\127 | 0.3-0.9 | 150-60 | Soft formation with low compressive strength and high drillability,such as mudstone,clay,salt,loose stands,soft limestone,etc |
| 136\137 | 0.35-1.0 | 120-60 | Soft to medium formation with low compressive strength or soft with harder streaks,such as mudstone,shale,soft limestone ,sands,etc |
| 216\217 | 0.4-1.0 | 100-60 | medium hard formation with low compressive strength ,such as medium soft shale,limestone and sandstone as well as thick and hard streaks,etc |
| 246\247 | 0.4-1.0 | 80-50 | medium hard formation with high compressive strength ,such as hard shale,sands ,limestone,etc |
| 437/447 | 0.35-0.9 | 150-70 | very Soft formation with low compressive strength and high drillability,such as clay,soft mudstone,shale,salt,loose sands,etc. |
| 517/527 | 0.35-1.0 | 140-50 | Soft formation with low compressive strength and high drillability,such as mudstone,salt,soft limestone,sands,etc |
| 537/547 | 0.4-1.0 | 120-40 | medium soft with harder formation, more abrasive streaks,such as hard shale,mudstone,soft limestone,etc. |
| 617/627 | 0.45-1.1 | 90-50 | medium hard with higher compressive strength as well as thick and hard streaks,such as hard shale,sands,limestone,dolomite,etc. |
| 637 | 0.5-1.2 | 80-40 | medium hard with higher compressive strength as well as thick and hard streaks,such as hard shale,sands,limestone,dolomite,etc. |
){kind=link}