Pilot:

Terms Related to Pilot

• Pilot mill

  A special mill that has a heavy tubular extension below it called a pilot or stinger. The pilot, smaller in diameter than the mill, is ...

• Fishing head

  A specialized fixture on a downhole tool that will allow the tool to be fished out after it's used downhole. See fish.

• On-off tool

  A tool used to open or close a downhole valve; a tool used to set or release a downhole tool, such as a retrievable bridge ...

• Stinger

  1. A cylindrical or tubular projection, relatively small in diameter, that extends below a downhole tool and helps to guide the tool to a designated ...

• Collet

  A finger-like device used to lock or position certain tool components by manipulating the tubing string or downhole tool

• Hydro-set tool

  A wireline pressure setting tool for setting permanent downhole tools.

• Safety joint

  An accessory to a fishing tool, placed above it. If the tool cannot be disengaged from the fish, the safety joint permits easy disengagement of ...