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WZ Type Integral Blade Stabilizer
Integral 3-Straight rib stabilizer, Integral 4- Straight rib stabilizer, working surface are provided with carbide insert compound or overlay welding, etc. The body is made from high strength and heat treated , the centralizing blades are designed at customer's request.
Thechnical specifications and parameters
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Bit |
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D2 |
d |
LD2 |
Length(mm) |
Thread code on two ends |
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Short Type |
Long Type |
Drill string type |
Near bit type |
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Near bit type |
Drill string |
Near bit type |
Drill |
end |
Down |
Top |
Down |
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6 |
152.4 |
121 |
51 |
400~500 |
800~900 |
1000~1100 |
1200~1400 |
1400~1600 |
NC38 |
NC38 |
NC38 |
3 1/2REG |
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6 1/4 |
158.7 |
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165.1 |
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7 1/2 |
190.5 |
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1000 |
1600 |
1800 |
NC46 |
NC46 |
NC46 |
4 1/2REG |
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7 7/8 |
200.0 |
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8 3/8 |
12.7 |
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400 |
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1000~1200 |
1600~1800 |
1800~2000 |
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8 1/2 |
15.9 |
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8 3/4 |
22.2 |
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9 1/2 |
241.3 |
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400~600 |
800~1000 |
1000~1200 |
1600~1800 |
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9 5/8 |
244.5 |
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9 7/8 |
250.8 |
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12 1/4 |
311.2 |
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500~600 |
1000 |
1200 |
1800 |
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NC56 |
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17 1/2 |
444.5 |
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500~600 |
1200~1300 |
1200~1300 |
2000~2200 |
2000~2200 |
NC61 |
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