black gold
business
chemical
construction
crane
crude
derrick
drill
drilling
energy
engineering
exploration
extraction
floating
fuel
gas
gasoline
graphic
icon
industrial
industry
loot
mining
ocean
offshore
oil
oilfield
output
petroleum
pictogram
pixel
platform
plunder
power
production
pump
resource
rig
sea
sign
silhouette
station
tower
water
wave
wealth
well