 |
| Place of Origin: | China |
| Brand Name: | Duke |
| Model Number: | IADC517 |
| Minimum Order Quantity: | 1 |
|---|---|
| Price: | 1852USD |
| Packaging Details: | wooden packing |
| Delivery Time: | 7 days |
| Payment Terms: | L/C, T/T |
| 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 |
Contact Person: Mr. robert
Tel: 008618003836988
Fax: 86-0371-68819915
