Parveen Taper Mills are generally used to eliminate restrictions or to mill through "pinched", collapsed casing. They are equipped with a tapered or a short blunt nose, which serves as a guide. The type of restriction dictates the type of mill to be used.

Parveen Taper Mills was designed for milling through restrictions. The spiral blades and the pointed nose, dressed with Tungsten Carbide make it ideal for reaming out collapsed casing and liners, cleaning up permanent whipstock windows, milling through jagged or split guide shoes and enlarging restrictions through retainers and adapters.