A casedhole whipstock is a mechanical tool system used to initiate sidetracking from an existing cased wellbore. Unlike open-hole sidetracking, this method allows for directional drilling within a pre-cased section of the well, offering an efficient solution for re-entry operations, bypassing obstructions, or reaching untapped reservoirs.
Whipstocks are typically set with anchors and... https://progrynd.co.za/casedhole-whipstock/