No, I know there are no motors on a derrick. There are motors that run generators or pumps and even drawworks and rotary tables on a Kelly rig (workover size), but derricks are just derricks, like crane booms are just booms. And no, the bit in the derrick isn’t a motor. The bit screws into a motor (mud or air just like
@Winningdog said), but that motor makes no noise.
I don’t know why people misrepresent what they do or where they’ve been, some sort of stolen valor high.
I finished laying down tools on this rig this afternoon. Our guys still ride the blocks, sure beats the alternative. We even do this thing called throwing chain. I don’t think I’m the guy who’s ignorant here.
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Honestly, I’ve been working on drilling rigs for the last 12 years (DD), that’s how I knew you hadn’t. And hands don’t come on Snipershide and talk about how low they feel over getting loud while drinking, and hands don’t need to phone a friend to find out what equipment is called or does... because they’re hands.
I don’t know how you knocked your hearing out as a surveyor or pre-production tester and maybe you’ve been
around the oilfield some, but you’re extra wormy.