Henan Duke Machinery Equipment Co., Ltd.
| Payment Terms | L/C, T/T |
| Delivery Time | 7 days |
| Packaging Details | wooden packing |
| Brand Name | Duke |
| Model Number | IADC517 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 7 days |
| Packaging Details | wooden packing | Brand Name | Duke |
| Model Number | IADC517 | Place of Origin | China |
| Product name | API 7 7/8" IADC517 Tricone drill Bit for water well and oil well |
| Size | 7 7/8"(200mm) |
| type | HJ517 |
| Bearing type | rubber sealed bearing |
| thread | 4 1/2" API Reg pin |
| Gauge protection | gauge protection |
| WOB(KN/mm) | 0.35-1.05 |
| RPM(r/min) | 120-50 |
| Application formation | soft with low compressive strength and high drillability,such as shale,clay,sandstone and softlimestone,etc |
| Weight | 38kg |
| Industrial standard | SY/T5164 |
| MOQ | 1 |
| Table of classification of formation hardness and bit selection | |||||
| Roller cone bit IADC code | IADC code of diamond bit | Formation description | Rock type | Compressive strength(Mpa) | ROP(m/h) |
| 111/124 | M/S112~M/S223 | Very soft:sticky soft formation with low compressive strength. | Clay Siltstone sandstone |
<25 |
>20 |
| 116/137 | M/S222~M/S323 | Soft:soft formation with low compressive strength and high drillability. | Clay rock Marl Lignite sandstone |
25~50 |
10~20 |
|
417/527 |
M/S323~M/S433 |
Medium soft:soft to medium formation with low compressive strength and steak. | Clay rock Marl Lignite Sandstone Siltstone Anhydrite Tuff |
50~75 |
5~15 |
| 517/537 | M322~M443 | Medium:medium to hard formation with high compressive strength and thin abrasive streak. | Mudstone Dark rock shale | 75~100 | 2~6 |
| 537/617 | M422~M444 |
Medium hard:hard and dense formation with high compressive strength and medium abrasiveness. | Dark rock Hard shale Anhydrite Sandstone Dolomite | 100~200 | 1.5~3 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Seller
Year Established:
2008
Total Annual:
500000-1000000
Employee Number:
50~100
Ecer Certification：
Site Member
Henan Duke Machinery Equipment Co. , Ltd. is focused on well drilling rigs and core drilling rig machine research and development, manufacturing enterprises. Products include civil and mineral water well drilling rigs and the overall transport type of small rotary drilling rig, Carter chassis s... Henan Duke Machinery Equipment Co. , Ltd. is focused on well drilling rigs and core drilling rig machine research and development, manufacturing enterprises. Products include civil and mineral water well drilling rigs and the overall transport type of small rotary drilling rig, Carter chassis s...
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