Rotary shoe:

Terms Related to Rotary shoe

• Burn shoe

  A milling device attached to the bottom of washpipe that mills or drills debris accumulated around the outside of the pipe being washed over. Usually, ...

• Wash over

  To release pipe that is stuck in the hole by running washover pipe. The washover pipe must have an outside diameter small enough to fit ...

• Retainer

  A cast-iron or magnesium drillable tool consisting of a packing assembly and a back-pressure valve. It is used to close off the annular space between ...

• Milling shoe

  See rotary shoe, burn shoe.

• Guide shoe

  1. A short, heavy, cylindrical section of steel filled with concrete and rounded at the bottom, which is placed at the end of the casing ...

• Mill

  A downhole tool with rough, sharp, extremely hard cutting surfaces for removing metal by grinding or cutting. Mills are run on drill pipe or tubing ...

• Shoe

  A device placed at the end of or beneath an object for various purposes (e.g., casing shoe guide shoe).