機器
barrel
borehole
business
crude
development
drill floor
drillbit
driller
drilling
drillpipes
energy
engineering
environment
equipment
estate
exploration
extraction
fossil
fuel
industrial
industry
machinery
mining
mud
natural gas
oil field
oil gas
oil industry
oil well
petrochemical
petrol
petroleum
pipeline
plant
pollution
production
project
resource
resources
rig
safety
site
steel
steel rope
structure
technology
well
well platform
work