Patent Number: 7,086,478

Title: Apparatus and methods for expanding tubulars in a wellbore

Abstract: The present invention relates to methods and apparatus for expanding tubulars in a wellbore. In one aspect of the invention, an expansion tool with hydraulically actuated, radially expandable members is disposed on a string of coil tubing. In another aspect of the invention the apparatus is utilized to expand a tubular lining a lateral wellbore into contact with a window of a larger tubular lining a central wellbore.

Inventors: Simpson; Neil A. A. (Aberdeen, GB), Haugen; David (League City, TX)

Assignee: Weatherford/Lamb, Inc.

International Classification: E21B 19/16 (20060101); E21B 23/02 (20060101)

Expiration Date: 8/08/02018