Invention Grant
US09228399B1 Tong assembly for manipulating a tubular 有权
用于操纵管子的通道组件

Tong assembly for manipulating a tubular
Abstract:
A tong assembly for use in make-up or break-out of a tubular. The tong assembly has a pair of chain assemblies connected to hydraulic chain cylinders, a first jaw connected to a first arm for supporting a first tubular, a second jaw connected to a break-out body between the break-out body and the second chain cylinder, and a make-out/break-out cylinder to push the chain cylinders in a make-up rotation or a break-out rotation allowing the assembly to provide changes of direction without changing tong assembly configuration or position.
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