Have you ever seen these storage tanks at a port, fuel stations, tank farm, or refinery? They may appear similar, but each configuration is selected based on fluid properties, vapor pressure, temperature behavior, and safety risk profile.
Storage design in oil and gas is driven by thermodynamics and loss prevention.
Typical Product Classification With Engineering Basis
Fixed Roof Tanks
- Crude Oil
- Diesel
- Fuel Oil
- Kerosene
- Jet Fuel
- Bitumen
Reason:
Used for low to moderate vapor pressure liquids where evaporation losses are limited.
Primary considerations are contamination control, structural simplicity, and cost efficiency.
Floating Roof Tanks
- Crude Oil
- Gasoline
- Naphtha
- Condensate
Reason:
Designed for high-volatility hydrocarbons.
The floating roof minimizes vapor space, reducing evaporative losses and VOC emissions.
Dome Roof Tanks (Geodesic Dome + Internal Floating Roof)
- Gasoline
- Naphtha
- Condensate
Reason:
Applied where enhanced vapor control is required to meet stricter environmental regulations.
Underground Storage Tanks
- Gasoline
- Diesel
- Heating Oil
- Jet Fuel (airport systems)
Reason:
Used in retail and aviation distribution systems to improve safety, land use efficiency, and fire risk management.
Jet Fuel (Jet A / Jet A-1) is primarily stored in fixed roof tanks because its vapor pressure is significantly lower than gasoline, making floating roof vapor-loss control unnecessary.
In petroleum infrastructure, tank geometry reflects product behavior.
Engineering decisions begin with fluid properties.
