機器
business
construction
crude
derrick
diesel
drill
drilling
ecology
economy
energy
environment
equipment
evening
exploration
extract
extracting
facility
field
fuel
gasoline
income
industrial
industry
mineral
mining
money
night
oil
oilfield
oilwell
petroleum
pipe
pipeline
platform
production
pump
pumpjack
refinery
resource
rich
rig
rocking
silhouette
support
symbol
technology
tool
well