機器
barrel
beam
big texan
construction
crude
derrick
drilling
energy
equipment
field
fuel
gas
grasshopper
horsehead
industrial
industry
jack
nodding donkey
oil
oil rig
oilfield
petroleum
pipe
pipeline
power
pump
pump jack
pumpjack
pumps
rig
rocking horse
sky
sucker rod
sunset
thirsty bird
well
wellsite