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