Saudi Arabian Oil Company

Mujahid Otman Alhulailah

Bandar S Malki

A whipstock assembly and a method for side-tracking a wellbore. The whipstock assembly includes a casing sub-assembly. The casing sub-assembly has a first rotating collar, a second rotating collar, and multiple bars. The bars are movable from a first position spaced apart from the first and second rotating collars to a second position extending between the first rotating collar and the second rotating collar. The bars are rotatable from the second position to a third position to open a window in the bars and form a ramp oriented toward the window.

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Dammam, Saudi Arabia

Mujahid Otman Alhulailah