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