Operation whereby the well bore is made larger to carry out functions such as running casing, storing pipe, etc.
A machining process using a reamer to smooth and accurately size a previously cored, drilled, or bored hole. This process can be achieved by machine or by hand, however the type of reamer used is different for each process. See also hand reamer, machine reamer
Reaming refers to enlarging or shaping a hole in material, such as wood, metal or concrete.