API 7 Integral Spiral Blade Stabilizer
Specifications
Spiral Blades Stabilizer1. Material: AISI 4145H
2. Specification: OD: 6''-36''
3. API Spec.7 standard
Integral 3-Spiral Blade Stabilizer , Integral 4-Spiral Blade Stabilizer (string type , near bit type). The working hardfacing surface (also called as wall contact) materials available separately are
(1) carbide insert
(2)Inserted diamond compound
(3)Low temperature brazing tungsten carbide stug
(4)Surface bead welding abrasive welding rod,etc.
Technical specifications and parameters:
it size |
Working O.D. (mm) |
End O.D. of body (mm) |
I.D. (mm) |
Length (mm) |
Thread code on both ends | |||
| string type | Near bit type | |||||||
| Top | Down | Top | Down | |||||
| 6 | 152.2 | 121 | 51 | 1200 | NC38 | 3 1/2 REG | ||
| 6 1/4 | 158.7 | |||||||
| 6 1/2 | 165.1 | |||||||
| 7 1/2 | 190.5 | 159 | 57 | 1600 | NC46 | 4 1/2 REG | ||
| 7 7/8 | 200 | |||||||
| 8 3/8 | 212.7 | 159 165 |
71 | 1600 1800 |
NC46 NC50 |
|||
| 8 1/2 | 215.2 | 159 165 178 |
||||||
| 8 3/4 | 222.2 | |||||||
| 9 1/2 | 241.3 | 178 197 |
1600 | NC50 | NC50 | NC50 | ||
| 9 5/8 | 244.5 | 1800 | 6 5/8 REG | |||||
| 9 7/8 | 250.8 | |||||||
| 12 1/4 | 311.2 | 203 209 |
76 | 1800 | NC56 6 5/8 REG |
NC56 6 5/8 REG |
NC56 6 5/8 REG |
6 5/8 REG |
| 16 | 406 | 229 241.3 |
2000 2200 |
NC61 7 5/8 REG |
NC61 7 5/8 REG |
NC61 7 5/8 REG |
NC61 7 5/8 REG |
|
| 17 1/2 | 444.5 | |||||||
| 24 | 609.6 | |||||||
| 26 | 660.4 | |||||||
| 28 | 711.2 | |||||||
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