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Kelly and kelly cock assembly for hard-wired telemetry system
Kelly and kelly cock assembly for hard-wired telemetry system
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机译:硬线遥测系统的凯利和凯利旋塞组件
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摘要
A combination saver sub, kelly and lower kelly cock for use with a drill string having a hard wired telemetering system installed therein. The combination includes a hard wired circuit for extending the circuit from the top of the drill pipe to a slip ring assembly mounted on the kelly.
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