Telescoping latching mechanism for casing cementing plug

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United States of America Patent

PATENT NO 9556701
APP PUB NO 20160160601A1
SERIAL NO

15044415

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Improved cementing plugs and methods of using these cementing plugs in subterranean wells are disclosed. A cementing plug comprises a hollow mandrel and one or more wiper elements coupled to the mandrel. A nose is coupled to the hollow mandrel and is movable between a retracted position and an extended position. A portion of the nose is positioned within the mandrel when in the retracted position. This portion of the nose is positioned outside the mandrel when in the extended position.

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Patent Owner(s)

  • HALLIBURTON ENERGY SERVICES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Stair, Todd Anthony Norman, US 20 84

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