| http://www.w3.org/ns/prov#value | - The present invention, in one embodiment, discloses a well sidetracking operation which uses a tool including a whipstock with a concave face; a starting bar releasably secured to the whipstock, and in one aspect secured to the concave face; and a milling apparatus including one or more milling tools and having a central opening for receiving an end of the starting bar and a hollow interior for re
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