Fiscal metering skid

Company / operator legend practice (API 6A, API 521, API 537) / PIP PIC001 / API MPMS / ISO 5167

Drawn as

A dash-dot boundary with an inlet header, two or more parallel meter runs (each with isolation valves and a meter box or FE), an outlet header, and often a prover connection and a sampler.

Meaning

Fiscal (custody transfer) metering for oil or gas export. Becomes metering-skid; a compact prover (compact-prover) is usually connected.

Variants

Gas skids use ultrasonic or orifice runs; oil skids use turbine, Coriolis or ultrasonic runs
Flow computers are drawn as hexagons (computer functions)