Releasing Spear
Releasing Spear
Application
The releasing spear, as a kind offishing tool, is typically used for fishing drill rods, oil pipes, casings,etc. in the oil drilling industry. It has simple structure, high strength, andworks from the inside diameter of the fish.
The do’s anddon’ts
1. Checkthe catch size, and make sure the outer diameter of releasing spear should be 1
2. Greasethe screw of the mandrel.
3. Fastenthe nipple and fix the slips at the position where the release ring can beblocked.
4.The fishing drilling configuration usually consists of releasing spear, bumpersub and driller.
Technical Parameters
Type | Inner Diameter of fish | Tensile load | Left-hand Thread |
LM-60 | Φ46.1Φ48Φ50.7 | 150KN | NC26 |
LM-114 | Φ80Φ88.9Φ90Φ93.7 Φ95.3Φ97.2 | 470KN | NC38,NC50 |
LM-168 | Φ144.2Φ147.1Φ150.4 Φ151.5Φ153.7 | 1090KN | NC50 |
LM-245 | Φ216.8Φ220.5Φ224.4 Φ245.4Φ330 | 2400KN | 6-5/8REG |
LM-324 | Φ300Φ302Φ304Φ306 | 2600KN | 6-5/8REG |
LM-340 | Φ313.6Φ315.3Φ317.9 Φ320.4Φ322.9 | 2600KN | 6-5/8REG |
Thanks for visiting webpage of