Control attachment for a tong assembly positioning system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12188311
APP PUB NO 20220282583A1
SERIAL NO

17192689

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A tong positioning system includes a positioning device configured to move a tong assembly. The positioning device includes a first actuator, a second actuator, and a control attachment attachable to the positioning device. The control attachment includes a shutoff valve fluidly coupled to a hydraulic supply, a control valve block, and a control device. The control valve block includes a hydraulic input fluidly coupled to the shutoff valve, a hydraulic output fluidly coupled to a hydraulic return, a first valve fluidly coupled to the first actuator, the first valve configured to actuate the first actuator, and a second valve fluidly coupled to the second actuator, the second valve configured to actuate the second actuator. The control device is configured to control the first valve and to control the second valve to actuate the first and second actuators to move the tong assembly.

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Patent Owner(s)

Patent OwnerAddress
WEATHERFORD TECHNOLOGY HOLDINGS LLC2000 ST JAMES PLACE HOUSTON TX 77056

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heidecke, Karsten Houston, US 60 1475
Helms, Martin Burgdorf, DE 28 381
Migutin, Alexander Langenhagen, DE 3 2

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