Subsea casing hanger suspension system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4836579
SERIAL NO

07186848

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Abstract

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A well casing suspension system comprising a casing hanger assembly with an expandable, multiple shoulder, split load ring that is radially expanded into supporting position in a mating groove in a wellhead housing by contact with a previously installed annulus packoff.

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Patent Owner(s)

Patent OwnerAddress
FMC TECHNOLOGIES INC11740 KATY FREEWAY ENERGY TOWERS 3 HOUSTON TX 77079

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hopkins, Bob C Nassau Bay, TX 5 228
Underwood, Don C Rio de Janeiro, BR 2 120
Wester, Randy J Spring, TX 6 278

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