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Replaceable Sleeve Stabilizer
The replaceable sleeve stabilizer are available with two-piece and three-piece construction. The three-piece construction stabilizer is made of a body and a centralizing body(refer to sleeve replaceable). The advantage is that the sleeve can be changed quickly and easily after sleeve hardfacing is worn-out. This kind of stabilizer is especially suitable for working in directional well .
Tec hnical parameters for 2-piece replaceable sleeve stabilizer
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|
Stabilize sleeve |
The body |
Threads code for two ends (in) |
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Work |
Upset |
upset |
Fishing neck length |
|
Make-up |
Overall length L |
Drill string type |
Near bit type |
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Near bit |
Drill |
Top |
Down |
Top |
Down |
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8 1/2 |
6 1/2 |
480 |
214 |
190 |
|
|
71 |
6.95--7.25 |
1900 |
1900 |
4 1/2IF |
4 1/2IF |
4 1/2IF |
4 1/2IF |
8 1/4 |
470 |
210 |
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8 |
472 |
203 |
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7 3/4 |
455 |
197 |
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12 1/4 |
8 |
555 |
310 |
238 |
|
19.7--11 |
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|
|
|
|
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12 |
550 |
305 |
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11 1/2 |
540 |
292 |
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11 |
530 |
279 |
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17 1/2 |
9 |
682 |
444 |
279 |
|
7 5/8REG |
7 5/8REG |
7 5/8REG |
7 5/8REG |
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17 |
676 |
432 |
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16 1/2 |
670 |
420 |
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16 |
664 |
407 |
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