Seal apparatus for restriction of movement of sand in an oil well

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United States of America Patent

PATENT NO 9004158
SERIAL NO

13331467

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Abstract

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An apparatus for restricting movement of sand in an oil well has a production tubing, a working barrel positioned in the production tubing, a tubular member affixed an end of the working barrel, and a seal extending around the tubular member. The seal is of an elastic or an elastomeric material. The seal has an outer periphery contacting the inner diameter of the production tubing. The seal has a plurality of splits formed therethrough. Each of the splits has a generally V-shaped configuration.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Havard, Kenneth Houston, US 3 35

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