barefoot hole
 n.— «In the Cabin Creek area, for example, we drill a well to the top of a formation we’re targeting and then we case it off.…Then we drill into the targeted formation what is known as a “barefoot hole.” That is, you’re drilling an open hole. There’s no pipe or cement. Then what we’ve been doing is we’ve been conducting a drill stem test [DST]. The traditional way is to drill the hole to TD [total depth] and case the entire well.» —“Folds, faults, fissures and fractures” by Andrea W. Lorenz Oilweek Magazine Oct., 2007. (source: Double-Tongued Dictionary)

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