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型号 Type |
工作外径 Working O.D.(in) |
本体直径 O.D. of Body (mm) |
内径 I.D. (mm) |
Overall Length /Spiral Belt Length 长度/*带长度 (mm) |
连接螺纹Connection |
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钻柱型String Type |
井底型Near Bit Type |
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上端 Top |
下端 Down |
上端 Top |
下端 Down |
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WL149 |
5-7/8″ |
121 |
50.8 |
1450/400 |
NC38 |
3-1/2REG |
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WL152 |
6″ |
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WL158 |
6-1/4″ |
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WL165 |
6-1/2″ |
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WL190 |
7-1/2″ |
178 |
57.2 or 71.4 |
1500/450 |
NC46 |
4-1/2REG |
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WL200 |
7-7/8″ |
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WL213 |
8-3/8″ |
NC46 NC50 |
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WL215 |
8-1/2″ |
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WL222 |
8-3/4″ |
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WL241 |
9-1/2″ |
NC50 |
NC50 |
NC50 |
6-5/8REG |
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WL245 |
9-5/8″ |
203 |
71.4 |
1700/550 |
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WL251 |
9-7/8″ |
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WL311 |
12-1/4″ |
NC56 6-5/8REG |
NC56 6-5/8REG |
NC56 6-5/8REG |
6-5/8REG |
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WL339- WL406 |
13.35-16″ |
229 |
2000 |
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NC61 7-5/8REG |
NC61 7-5/8REG |
NC61 7-5/8REG |
NC61 7-5/8REG |
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WL445 |
17-1/2″ |
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WL450WL609 |
17.7”-24″ |
2500 |
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WL660 |
26″ |
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WL711 |
28″ |
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