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Non-Rotating Stabilizer 0.D 155-711 mm I.D. 44-76 mm Fishing 0.D 121-241 (mm)
Descriptions of Non-Rotating Stabilizer 0.D 155-711 mm I.D. 44-76 mm Fishing 0.D 121-241 (mm):
Non-rotating stabilizer (rubber sleeve stabilizer) is able to avoid blade wear and wall damage during drilling. The non-rotating stabilizer consists of mandrel, copper washer, rubber sleeve, spacer sleeve and self-locking lower sub. During drilling, the non-rotating stabilizer transfers the torque by means of mandrel. The rubber sleeve is sliding and moving relative to the mandrel and it plays a role in stabilizing the well. A locking clutch (self-locking lower sub) will help to avoid sleeve rotation during washover operation.
Specifications:
| Sleeve | Mandrel | overal Length (mm) | ||||
| Length (mm) | 0.D (mm) | Blade Qty | I.D. (mm) | Fishing 0.D (mm) | Connection | |
| 380 | φ155 | 4 | φ44 | φ121 | NC38 | 1638 |
| 380 | φ157 | 4 | φ44 | φ127 | NC38 | 1638 |
| 500 | φ214 | 4 | φ71 | φ165 | NC50 | 2013 |
| 500 | φ220 | 4 | φ71 | φ165 | NC50 | 2013 |
| 500 | φ255 | 4 | φ71 | φ165 | NC50 | 2013 |
| 500 | φ304 | 4 | φ76 | φ203 | 65/8 REG | 2000 |
| 500 | φ310 | 4 | φ76 | φ203 | 65/8 REG | 2000 |
| 500 | φ313 | 4 | φ71 | φ165 | NC50 | 2013 |
| 500 | φ371 | 4 | φ71 | φ197 | 65/8 REG | 2013 |
| 500 | φ374 | 4 | φ71 | φ203 | 65/8 REG | 2013 |
| 520 | φ405 | 4 | φ76 | φ241 | 75/8 REG | 2045 |
| 520 | φ430 | 4 | φ76 | φ241 | 75/8 REG | 2045 |
| 520 | φ444 | 4 | φ76 | φ241 | 75/8 REG | 2045 |
| 600 | φ558 | 4 | φ76 | φ241 | 75/8 REG | 2130 |
| 690 | φ711 | 5 | φ76 | φ241 | 75/8 REG | 2210 |