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10:13 Apr 2, 2007
This question was closed without grading. Reason: Other
English to Russian translations [PRO] Tech/Engineering - Engineering (general) / drilling rig
English term or phrase:Topdrive hang off line
контекст тот же
The Topdrive hang off line is not clear up to now.
top drive это система верхнего привода
57 Two 40ft container were observed at the rig-up-yard. The Topdrive placed on the transport frame completed with IBOP´s plus the hang off bare c/w shackles was stored in one open top container.
вот немец пояснил
To take the top-drive off the hook when changing from top-drive drilling to Kelly drilling. Remember, the derrick is like a crane, the top drive hangs on the hook. In order to get the crane off the hook you either need another crane or a different sheave with a line connected to a winch.