Pipe running tool having a cement path

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7510006
APP PUB NO 20060124305A1
SERIAL NO

11165692

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An oil and gas well drilling system is provided that includes a top drive assembly having an output shaft; and a pipe running tool having a top drive extension shaft connected to the top drive output shaft and engageable with a pipe string to transmit translational and rotational forces from the top drive assembly to the pipe string, wherein the pipe running tool further includes a cementing pipe connected to the top drive extension shaft and having a fluid passageway which receives cement during a cementing operation.

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Patent Owner(s)

Patent OwnerAddress
VARCO I/P INC2835 HOLMES ROAD HOUSTON TX 77051

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bottger, Hans Joachim Dietrich Den Helder, NL 3 40
Boyadjieff, George Villa Park, US 17 829
Eidem, Brian L Cerritos, US 13 732
Juhasz, Daniel Westminster, US 11 718
Kamphorst, Herman M Assen, NL 6 109
Mason, David Anaheim Hills, US 59 1064
Roling, Ronaldus R M Rosmalen, NL 3 10
van, Rijzingen Hans Etten-leur , NL 13 641
van, Wechem Gustaaf Louis Reeuwijk , NL 9 195

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