Downhole tubular expansion tool and method

Details Downhole tubular expansion tool and method Downhole tubular expansion tool and method

2007-05-12

2010-12-07

Bomar, Shane (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S207000, C166S380000, C166S216000

Reexamination Certificate

active

07845421

ABSTRACT:
A tool10is provided for radially expanding a downhole tubular C, and includes a central tool mandrel12, a tubular expander48at the lower end of the tubular, and a downhole actuator15for forcibly moving the expander axially within the downhole tubular. Slips20are positioned for securing the tool within a well, so that the slips may be set, and the tool subsequently stroked to move the expander48and radially expand a length of the tubular. Upward pull on the work string may expand long portions of the downhole tubular. Buttress threads43preferably support the tubular expander on the downhole tubular when run in the well.

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