Expandable mill and methods of use

Details Expandable mill and methods of use Expandable mill and methods of use

E - Fixed Constructions

21

B

E21B 37/00 (2006.01) E21B 37/02 (2006.01)

Patent

CA 2661382

In some embodiments, apparatus useful for cleaning at least part of the interior surface of a cylindrically-shaped member disposed in a subterranean well includes a housing and a plurality of retractable mill blades supported on the housing. The mill blades of such embodiments are capable of cleaning the entire circumference of the interior surface of at least a portion of the cylindrically-shaped member upon reciprocation of the housing.

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