The Retrievable Whipstock is designed to provide necessary deviation of window mills and reamer mills from the axis of the main wellbore while cutting a “window” in production casing.
It is also used for deviation of cutting and drilling tools while drilling additional borehole in a well.
The Whipstock is used with the bottom-whole support (cement plug or packer plug).
To trip, set and cut “window” in casing in a single trip the Retrievable Whipstock is used with the Starting-Window Mill and Watermellon Mill.
After “window” cutting operation the Whipstock may be retrieved from the well by the Fishing hook KL or Die collar LK.
Images and Dimensions
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