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...a [[cross section]] of a shale sample that has been polished by argon-ion milling, a sample preparation technique that consists of using one or more beams of ...e is milled by a Ga FIB beam and is imaged simultaneously by the SEM. This milling and imaging process can be automated in a serial fashion to acquire a stack

...andoned open holes. Whipstocks are also used to sidetrack out of casing by milling a “window” and deflecting the wellbore using a mud motor.

...out. A window will be cut in the casing of the original well by a special milling assembly, and drilling will then proceed out of the window toward a new tar

...out. A window will be cut in the casing of the original well by a special milling assembly, and drilling will then proceed out of the window toward a new tar