The Gotco Taper Mill is used to establish gage diameter. It is used primarily to mill collapsed casing and may also be used in conjunction with other mills to prepare a fish for internal engagement. Another useful application is deburring the window after a whipstock operation is completed.
Tapered mills come in three common configurations.- The 60 degree mill has an included taper of 60 degrees
(30 degrees per side.)
- The 30 degree mill has an included taper of 30 degrees
(15 degrees per side.)
- The 15 degree mill has an included taper of 15 degrees
(7 1/2 degrees per side.)
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