E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/08 (2006.01) E21B 7/08 (2006.01) E21B 29/06 (2006.01)
Patent
CA 2615934
A method of window milling comprises connecting a mill to a whipstock, running the mill and whipstock together through well tubing and out of a lower end of the well tubing, and anchoring the whipstock in a larger tubular below the well tubing and milling the window.
Pitman Malcolm D.
Toulouse Jeffrey E.
Baker Hughes Incorporated
Sim & Mcburney
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