As any equipment has fallen into the well, called Fish or Junk, and regular drill bits cannot drill though it, Fishing operation is required to remove it. There are numerous fishing tools, which are appropriate for different application:
External Catch Fishing Tools
- Overshot
- Die Collar
Internal Catch Fishing Tools
- Taper Tap
- Spear
Wash Over Pipe
Milling Tools
- Econo Mill
- Junk Mill
- Pilot Mill
- Taper Mill
Junk Catcher
- Junk Sub
- Junk Basket
Wireline Spear
Whipstock Hook
