manual casing hanger

manual casing hanger

[′man·yə·wəl ′kās·iŋ ‚haŋ·ər]
(petroleum engineering)
A device in the bowl of the lowermost (or intermediate) casing head to suspend the next smaller casing string and to provide a seal between the suspended casing and the casing-head bowl.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.