casing seat

casing seat

[′kā·siŋ ‚sēt]
(petroleum engineering)
The position of the end of a casing string where it is cemented in a well; usually a casing shoe is positioned at the bottom of the casing at this point.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.