Methods and apparatus for connecting tubulars using a top drive

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7617866
APP PUB NO 20060000601A1
SERIAL NO

11221432

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A connection apparatus for coupling a top drive to a tubular gripping member comprises a body having a first joint coupled to the top drive and a second joint coupled to the tubular gripping member, wherein the body is adapted to allow fluid communication between the top drive and the tubular gripping member and to allow relative movement between the top drive and the tubular gripping member.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
WELLS FARGO BANK NATIONAL ASSOCIATION1525 WEST W T HARRIS BLVD CHARLOTTE NC 28262

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pietras, Bernd-Georg Wedemark , DE 87 3217

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