Pipelines

Custody transfer, allo­cation, line balance, interface/densitometer

Upstream

Production wells, gathering, separation and dehydration

Terminals

Check metering, transmix metering, product identification

Midstream

Underground stor­age, transmission, compressor stations

Refineries

Process control, blending, tank mea­surement, ship load­ing and unloading

Down­stream

Electric power genera­tion, industrial use, gas processing plants

Transpor­tation

Crude oil pipelines, LPG pipelines, multi­ple product pipelines, airport facilities, liquid terminals

Down­stream

Petrochemical and processing plants