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We manufacture integral spiral blade stabilizer, integral straight-rib stabilizer, sleeve replaceable type stabilizer, float valve stabilizer, drilling reamer, unbalanced spiral blade stabilizer and variable-diameter stabilizer, all above products comply with API Spec.7.
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 slug,(4) Surface bead welding abrasive welding rod, etc.
Technical specifications and parameters
| Bit size(in) |
Working O.D. |
End O.D. of body |
I.D. |
Length |
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 |
6 5/8 REG |
| 9 5/8 |
244.5 |
1800 |
| 9 7/8 |
250.8 |
| 12 1/4 |
311.2 |
203
229 |
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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