機器
barrel
business
crude
derrick
diesel
drilling
economic
energy
environment
equipment
exploration
extraction
field
fossil
fuel
gas
gasoline
heavy
industrial
industry
machinery
mining
natural
oil
oilfield
oilwell
petroleum
pipe
pipeline
platform
pollution
power
production
pump
pumpjack
resource
rig
rocking
running
russia
scene
swing
technology
valve
valves
well
wellhead
work