| Customization: | Available |
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| After-sales Service: | 6 Months |
| Warranty: | 6 Months |
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SUZHOU ENERGY TOOL CO., LTD is established specially for serving Oil and Gas Industry by providing Drilling Equipment and Spare Parts. Our strength is at Drilling, PDC bits (steel and matrix), Tricone bit, under-reamer and mud motor.. All equipment is API certified and have been well tested and commissioned before delivery.
♦Advanced technology&Equipment, International standard.
♦R&D center for rock drilling tools, high precision CNC machines, API&ISO Certified.
♦20+ Years & 30 Countries service experience.
♦Optimized solutions for various of requirement.
| IADC | Roller Cone (m/h) | Formation Hardness | Rock Type | Compress Strength | |
| WEM | OBM | ||||
| 111/124 | 15-30 | 18-33 | Very soft | Clay, silts, sands | less than 25mpa |
| 116/137/437 | 9-15 | 12-18 | Soft | Claystone, marl, lignite, sandstone, tuff | 25-50mpa |
| 136/137/517/527 | 4.5-9 | 6-12 | Medium soft | Claystone, marl, lignite, sandstone, silts, anhydrites, tuff | 50-75mpa |
| 211/217/517/537 | 2.5-6 | 3-6 | Medium | Mudstone, limestone, anhydrites, sandstone (calcareous) | 75-100mpa |
| 211/236/537/617 | 1.5-2.5 | 1.5-3 | Medium hard | Limestone, anhydrites, dolomite | 100-120mpa |
| 311/347/627/637 | 1-1.5 | 1-1.5 | Hard | Shale (calcareous), sandstone (siliceous), siltstone | 100-200mpa |
| 637/737/837 | 1 | 1 | Very hard | Quartzite, lgneous rocks | more than 200mpa |
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