Meaning
Physical measurement systems govern the legal handover of bulk liquid or gas commodities between seller and buyer without manual intervention. The process known as automated custody transfer uses certified flow meters, continuous sampling devices, online temperature sensors and computerized logic controllers to record product volume, density and temperature at the exact point of delivery. Commercial agreements rely on these automated records to trigger payment obligations, transferring risk and title simultaneously at the physical flange connection.
Meter Verification
Continuous calibration against certified prover loops ensures that volumetric drift remains within agreed tolerances during bulk discharge. When operating conditions shift, dynamic measurement adjustments compensate for pressure variations and temperature fluctuations. Regular prover runs validate meter accuracy before invoices are generated.
Failure to meet calibration standards forces parties back to secondary manual sampling methods specified in the master supply contract.
Contractual Boundary
Distribution contracts locate the transfer interface at the physical boundary where pipeline infrastructure joins the receiving terminal manifold. Operating risk transfers automatically when the primary valve opens and automated custody transfer begins logging the transaction. Liabilities for off-specification material depend entirely on composite samples gathered by the system during flow.
Title shifts upon completion of the metered batch, making the electronic log the sole binding record for customs duties and terminal storage calculations.
Financial Settlement
Invoices reflect the precise net volume calculated by the transfer system after adjusting gross observed volume for sediment and water content. Uncalibrated measurement errors directly alter distributor margins across high-volume distribution channels. Settlements execute automatically through integrated enterprise systems based on digital custody certificates generated at batch completion.
