Saudi Aramco GI 405.001 CUSTODY TRANSFER OF HYDROCARBON LIQUIDS

This document, Saudi Aramco General Instruction Manual GI 405.001, provides comprehensive policy guidelines and application requirements for the accurate custody measurement of hydrocarbon liquids. It details the procedures and standards essential for ensuring proper accountability, minimizing product loss or gain, and facilitating fiscal documentation during ownership or responsibility transfers.

The instruction covers various measurement applications including marine loading/unloading, truck loading/unloading, weigh scales, and air fueling operations, while explicitly excluding product movement through pipelines between specific facilities. It emphasizes critical aspects such as static and dynamic calculations, units of measurement, reference conditions, responsibilities of involved parties, and security protocols for measurement equipment.

This guide is crucial for maintaining the integrity of hydrocarbon quantity and quality data throughout the supply chain. Ideal for process engineers, measurement specialists, operations managers, and HSE officers working in the oil and gas industry.