Definitions for "Open hole"
Keywords:  uncased, wellbore, ontrak, mwd, bha
n: 1. any wellbore in which casing has not been set. 2. open or cased hole in which no drill pipe or tubing is suspended. 3. the portion of the wellbore that has no casing.
A well either uncased or completed without casing in the production zone.
A wellbore, having no casing.