Interlock system and method for drilling rig

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United States of America Patent

PATENT NO 9903167
SERIAL NO

14268730

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Present embodiments are directed to a system and method for coordinating operation of a gripping device of a top drive system and power slips of a drilling rig to ensure that at least one of the gripping device and the power slips is engaged with a length of tubular and/or a drill string to support weight of the length of tubular and weight of the drill string.

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Patent Owner(s)

Patent OwnerAddress
NABORS DRILLING TECHNOLOGIES USA INC515 WEST GREENS ROAD HOUSTON TX 77067

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dewald, Brian Calgary, CA 4 46
Greening, Douglas Calgary, CA 7 112

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