Patent ID: 11913298
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 21:
22. A well tool for milling a tubular, the well tool comprising:
a drill pipe configured to be disposed in a wellbore, the drill pipe comprising a circulation fluid pathway through an interior of the drill pipe;
a first milling tool coupled to the drill pipe at a first longitudinal end of the drill pipe, the first milling tool comprising a first mill bit and a first circulation sub fluidly connected to the circulation fluid pathway, the first milling tool configured to mill a first portion of a tubular; and
a second milling tool coupled to the drill pipe at a location longitudinally uphole from the first milling tool, the second milling tool comprising a second mill bit and a second circulation sub fluidly connected to the circulation fluid pathway, wherein the second milling tool is configured to mill a second portion of the tubular, and when the first mill bit is configured to mill the first portion of the tubular, the second mill bit is configured to be outside of the tubular.