Relacionar Columnas Drilling RigVersión en línea Parts of drilling rig por Tatiana Yaikina 1 mud pit 2 rotary drive 3 travelling block 4 draw works 5 derrick 6 kelly 7 crown block A large structure standing on four legs and reaching the crown block. Steel tank used as a mud collector. A steel frame with wheels which moves up or down in the derrick A machine used to impart rotational power to the drill string. A hoisting mechanism which raises or lowers the drill pipe and drill bit. A steel frame on beams at the top of the derrick. A steel pipe, located at the top of drill string.
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