Casing installation equipment

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5778976
SERIAL NO

08693177

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Improvements in casing installation components are described. The modified construction comprises radial support pedestals (2) incorporating rollers (3) on the outside of the support pedestals so that the rollers reduce longitudinal friction between the component and the well bore. The improvements described may be adapted for use in the construction of casing centralizers, float shoes, float collars and similar equipment which is inserted into the well bore.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
WEATHERFORD U S L P515 POST OAK BLVD SUITE 600 ATTN SCOTT BROWN HOUSTON TX 77027

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Murray, Geoffrey Neil New Plymouth, NZ 10 280

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