Drilling & Wells

THL

Definition

Top of Hole (adjacent to) Liner

THL means Top of Hole (adjacent to) Liner. This acronym is used in the context of repairing a casing leak. The top of the hole in the casing is the minimum depth over which a casing liner must be run in order to repair…

This acronym is used in the context of repairing a casing leak. The top of the hole in the casing is the minimum depth over which a casing liner must be run in order to repair it.

✓ Verified term