G
- Gallon
- Gallon (gal)
- Gas
- Gas Condensate Well Gas
- Gas Cooled Fast Breeder Reactor (GCFB)
- Gas Formation Volume Factor (Bg)
- Gas Plant Operator
- Gas Processing Unit
- Gas to Liquids (GTL)
- Gas Turbine Plant
- Gas Well
- Gas Well Productivity
- Gasification
- Gasohol
- Gasoil
- Gasoline
- Gasoline Blending Components
- Gasoline Grades
- Gasoline Motor (Leaded)
- Gasoline Treated as Blendstock (GTAB)
- Gate Station
- Gatherer
- Generally Accepted Accounting Principles (GAAP)
- Generally Accepted Accounting Principles (GAAP)
- Generating Facility
- Generating Station
- Generating Unit
- Generation
- Generation Company
- Generator Capacity
- Generator Nameplate Capacity (Installed)
- Geologic Assurance
- Geologic Considerations
- Geologic Sequestration
- Geological and Geophysical (G&G) Costs
- Geological Repository
- Geopressured Reservoirs
- Geothermal Energy
- Geothermal Plant
- Geyser
- Giga
- Gigawatt (GW)
- Gigawatt (GW)
- Gigawatt Electrical (GWₑ)
- Gigawatt-electric (GWe)
- Gigawatt-hour (GWh)
- Gigawatthour (GWh)
- Gilsonite
- Global Climate Change (GCC)
- Global Warming
- Global Warming Potential (GWP)
- Global Warming Potential (GWP)
- Gob
- Gob Pile
- Government-owned Stocks
- Grain Sorghum
- Green Pricing
- Greenhouse Effect
- Greenhouse Gases (GHG)
- Grid
- Gross Additions to Construction Work in Progress for the Month
- Gross Company-Operated Production
- Gross Domestic Product (GDP)
- Gross Domestic Product (GDP)
- Gross Domestic Product (GDP) Implicit Price Deflator
- Gross End-Use Energy Consumption
- Gross Energy Intensity
- Gross Gas Withdrawal
- Gross Generation
- Gross Head
- Gross Input to Atmospheric Crude Oil Distillation Units
- Gross Inputs
- Gross National Product (GNP)
- Gross National Product (GNP)
- Gross Vehicle Weight (GVW)
- Gross Vehicle Weight Rating (GVWR)
- Gross Withdrawals
- Gross Working Interest Ownership Basis
- Group 3 Base Oils
- Group in Oil and Gas
- Group Name
- Group Quarters
- Gypsum