casing cutter
casing cutter
[′kā‚siŋ ‚kəd·ər] (petroleum engineering)
Heavy cylindrical apparatus bearing knives, and run on a string of tubing or drill pipe into a well, to perform cutting on the inner walls of a pipe through rotation, thus freeing a pipe section.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.