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AssigneeWeatherford/Lamb, Inc.
InventorsRichard Giroux, Albert Odell, Gary Thompson, David Haugen, Tuong Le, Robert Dugal, Karsten Heidecke, David Shahin
Estimating the term…
In one embodiment, a top drive system for drilling with casing is provided with an access tool to retrieve a downhole tool. The top drive system for drilling with casing comprises a top drive; a top drive adapter for gripping the casing, the top drive adapter operatively coupled to the top drive; and an access tool coupled to the top drive and adapted for accessing a fluid passage of the top drive system. In another embodiment, a method for retrieving a downhole tool through a tubular coupled to a top drive adapter of a top drive system is provided. The method comprises coupling an access tool to the top drive system, the access tool adapted to provide access to a fluid path in the top drive system and inserting a conveying member into the fluid path through the access tool.
A top drive system for drilling with casing, comprising:
A method for retrieving a downhole tool through a tubular coupled to a top drive adapter of a top drive system, comprising:
A method for releasing an actuating device during drilling using a top drive system, comprising:
A method for performing a cementing operation using a top drive system, comprising:
Dependencies are inferred from the claim text.