Releasing Spear
During drilling and workover operations, the releasing spear is primarily used for fishing drill pipes, oil pipes and casings. The fishing tool can be used with an internal cutter,bumper jar, etc.
Specifications| Type | Mandrel O.D (mm) | Catch size (mm) | Thread Conn. | Allowed load (KN) |
| 89 | 47.4-51.8 | NC26 | 270 | |
| 105 | 57.4-62 | NC31 | 380 | |
| 105 | 70-77.8 | NC31 | 650 | |
| 105 | 82-90.1 | NC31 | 800 | |
| 105 | 92.4-103.9 | NC31 | 1000 | |
| 121 | 102-115.8 | NC38 | 1300 | |
| 121 | 118.6-127.3 | NC38 | 1500 | |
| 162 | 140-153.7 | NC50 | 2200 | |
| 162 | 150.4-166.1 | NC50 | 2200 | |
| 165 | 168.3-178.5 | NC50 | 2300 | |
| 203 | 190.8-205.7 | 6 5/8 REG | 2300 | |
| 203 | 216.8-228.7 | 6 5/8 REG | 2500 | |
| 203 | 240-258.9 | 6 5/8 REG | 2500 | |
| 203 | 313.6-323 | 6 5/8 REG | 2500 |
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