Deformable plug and seal well system

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United States of America Patent

PATENT NO 9677370
SERIAL NO

14414667

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Abstract

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A well system includes a drop plug element and an internal plug seat in an internal flow path of a well tubing. At least one of the plug seat or the drop plug element includes a polymer that is deformable, having a first stiffness when subjected to a first strain rate, to allow the drop plug element to pass through the plug seat. The polymer resists deformation, having a second, higher stiffness when subjected to a second, higher strain rate, to resist allowing the plug element to pass through the plug seat and to seal the plug element and plug seat.

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Patent Owner(s)

  • HALLIBURTON ENERGY SERVICES, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Andy Cheng Houston, US 9 140
Harms, Timothy Edward The Colony, US 12 109
Richards, William Mark Flower Mound, US 95 2006
Smith, Charles Timothy McKinney, US 14 111

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