Wellbore Integrity Solutions LLC

Zhenbi Su

Sudarsanam Chellappa

Jianbing Hu

Timothy Andrew Burdett

Vijayakumar Palani

Christopher Glass

Systems, tools, and methods include using a milling assembly with a mill having multiple, different types of cutting element inserts. A gage region of the mill includes a first type of cutting element insert, and a shoulder region of the mill includes a second type of cutting element insert. One cutting element insert may include chip-breaking features, and the other may be a shear or gouging cutting element.

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Spring, TX, United States of America

Zhenbi Su