Drill rig apparatuses with directly driven shaft & drilling fluid pump systems

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20080267785A1
SERIAL NO

11796623

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drilling rig system with a main shaft or shaft-like structure driven directly by an AC motor; the system in one aspect for pumping fluid (e.g., but not limited to, drilling fluid), the system having, in certain aspects, pump apparatus with a pumping section and a motor section, the pumping section having an inlet and an outlet, the motor section having a drive shaft for connection to a pump pinion shaft for reciprocating in and out of the pumping section to alternately suck fluid into the inlet and pump fluid out the outlet, and the motor being directly connected to the pump pinion shaft, and methods for using such a system.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
VARCO I/P2838 HOLMES RD HOUSTON TX 77051

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cervenka, Gregory Paul Houston, TX 4 88
Urquhart, Richard Katy, TX 2 31

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