Apparatus and methods for expanding tubulars in a wellbore

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7086478
APP PUB NO 20050155771A1
SERIAL NO

11082738

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
WEATHERFORD TECHNOLOGY HOLDINGS LLC2000 ST JAMES PLACE HOUSTON TX 77056

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haugen, David League City, TX 21 783
Simpson, Neil A A Aberdeen, GB 21 785

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