polished-joint hanger

polished-joint hanger

[′päl·isht ¦jȯint ‚haŋ·ər]
(petroleum engineering)
A type of tubing hanger that is slipped over or assembled around the top tubing joint in an oil well tubing string.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.