Down hole tool having improved segmented back up ring

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9441448
APP PUB NO 20140224476A1
SERIAL NO

13999329

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Importance

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Abstract

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A down hole tool or plug includes a segmented back up ring acting to minimize extrusion of a seal in an axial direction thereby promoting radial expansion of the seal into engagement with the internal diameter of a casing string. The segments of the ring are joined to a ring body having a passage thereby by a junction having, as its outer dimension, the outside diameter of the tool and an inside dimension provided by a groove opening into the passage.

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Patent Owner(s)

Patent OwnerAddress
NINE DOWNHOLE TECHNOLOGIES LLC2001 KIRBY DRIVE SUITE 200 HOUSTON TX 77019

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frazier, W Lynn Corpus Christi, US 84 2816

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