Expandable liner hanger and method of use

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8443881
APP PUB NO 20100089591A1
SERIAL NO

12575977

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Abstract

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The present invention generally relates to an expandable liner hanger capable of being expanded into a surrounding casing. In one aspect, an expandable tubular system is provided. The system includes an expandable tubular. The system further includes an expansion swage for expanding the expandable tubular, wherein the expansion swage is deformable from a compliant configuration to a smaller substantially non-compliant configuration. Additionally, the system includes a restriction member disposed on an exterior surface of the expandable tubular, wherein expansion of the expandable tubular in the location of the restriction member deforms the expansion swage from the compliant configuration to the smaller substantially non-compliant configuration. In another aspect, a method of expanding a liner hanger using a cone is provided.

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Patent Owner(s)

  • WEATHERFORD TECHNOLOGY HOLDINGS, LLC

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gandikota, Varadaraju Houston, US 18 176
Li, David S Katy, US 5 53
Luke, Mike A Houston, US 42 1195
Reinhardt, Paul Andrew Houston, US 14 200
Ring, Lev Houston, US 188 5699
Thomson, Gordon Houston, US 7 89

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