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