| Customization: | Available |
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| Customized: | Customized |
| Standard: | AISI, API, AISI, GB, API |
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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.
♦10+ Years & 30 Countries service experience.
♦Optimized solutions for various of requirement.
| Table of classification of formation hardness and bit selection | |||||
| Roller cone bit | IADC code of diamond bit | Formation description | Rock type | Compressive strength(Mpa) | ROP(m/h) |
| IADC code | |||||
| 111/124 | M/S112~M/S223 | Very soft:sticky soft formation with low compressive strength. | Clay | <25 | >20 |
| Siltstone | |||||
| sandstone | |||||
| 116/137 | M/S222~M/S323 | Soft:soft formation with low compressive strength and high drillability. | Clay rock | 25~50 | 10~20 |
| Marl | |||||
| Lignite | |||||
| sandstone | |||||
| 417/527 | M/S323~M/S433 | Medium soft:soft to medium formation with low compressive strength and steak. | Clay rock | 50~75 | 5~15 |
| Marl | |||||
| Lignite | |||||
| Sandstone | |||||
| Siltstone | |||||
| Anhydrite | |||||
| Tuff | |||||
| 517/537 | M322~M443 | Medium:medium to hard formation with high compressive strength and thin abrasive streak. | Mudstone | 75~100 | 2~6 |
| Dark rock | |||||
| shale | |||||
| 537/617 | M422~M444 | Medium hard:hard and dense formation with high compressive strength and medium abrasiveness. | Dark rock | 100~200 | 1.5~3 |
| Hard shale | |||||
| Anhydrite | |||||
| Sandstone | |||||
| Dolomite | |||||
Q1: Can you customize drill bits for specific drilling conditions?
A:Yes, we can customize drill bits to meet specific drilling conditions and requirements, including custom sizes, shapes, and features.
Q2:What is your payment term?
A:We usually accept T/T , L/C and other secure payment options.
Q3: How about the delivery time?
A: Generally, it will take 15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q4: What's the size range of your bits?
A: The size of Steel Body Bit is from 4-1/8'' to 26''; The size of Matrix Body Bit is from 3-1/2'' to 17-1/2''.
Q5: Do you offer technical support?
A: Yes, we provide comprehensive technical support and after-sales service.
Q6: How do you guarantee your quality?
Answer: All of our production are in lines of ISO9001 and API 7-1 certifications
https://annengjie888.en.made-in-china.com
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