-1 crown block
-2 mast
-3 monkey board
-4 traveling block
-5 hook
-6 swivel
-7 elevators
-8 kelly
-9 kelly bushing
-10 master bushing
-11 mousehole
-12 rathole
-13 drawworks
-14 weight indicator
-15 driller's console
-16 doghouse
-17 rotary hose
-18 accumulator unit
-19 catwalk
-20 pipe ramp
-21 pipe rack
-22 substructure
-23 mud return line
-24 shale shaker
-25 choke manifold
-26 mud gas separator
-27 degasser
-28 reserve pit
-29 mud pits
-30 desander
-31 desilter
-32 mud pumps
-33 mud discharge lines
-34 bulk mud components storage
-35 mud house
-36 water tank
-37 fuel storage
-38 engines and generators
-39 drilling line
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