機器
blackgold
blue
crane
day
drill
drilling
dusk
energy
engineering
environment
equipment
exploration
fuel
gas
gasoline
industrial
industry
jack
jackup
mining
north sea
ocean
offshore
oil
oil rig
oilfield
orange
petroleum
pipes
platform
pollution
power
production
refinery
resource
rig
sea
silhouette
sky
steel
sunrise
sunset
technology
tower
twilight
water
wave
well