Used for fishing downhole tubular fallen objects, such as oil tubes or downhole tools with standard inner holes.
Features
- Lower the tool directly to enter the inner hole of the fishing object, and lift it up to achieve fishing
- Nozzle equipped at bottom. Flush the drop fish top before fishing
- Releasing by ball dropping or displacement when fishing load exceeds bearing capacity
- Mechanical emergency release method equipped. In case hydraulic release fails, the tool can be lifted out by over-lifting load without leaving residues in the well.
