Drilling a large diameter hole or expanding the diameter of an existing hole can often be completed efficiently with a HoleOpener. It is may be positioned along the string above bit subs.

Specification

• Various cutters including Milled Tooth and TCI with special Teeth for opening holes in different formations such as soft, medium and hard.
• Fixed diameter and Variable diameter in single-stage and Multi-stage.
• OD between 6” and 42”.