API MPMS Chapter 2.2A Second Edition PDF
This standard describes the procedures for calibrating upright cylindrical tanks used primarily for the storage of petroleum liquids. Chapter 2.2A first addresses procedures for making necessary measurements to determine total and incremental tank volumes, then presents the recommended procedures for computing incremental volumes at each liquid level. This includes improving existing calculation procedures as deemed necessary. In terms of determining the average inside radius at each liquid level, this standard is focused on the manual tank strapping method. While other parts of Chapter 2.2 cover methods to determine the average radius at each liquid level by alternate means, this standard is the reference standard for those parts (e.g. 2.2A, 2.2B, 2.2C, 2.2D and 2.2G). All aspects (e.g. physical bottom surveys) not covered in the other parts of Chapter 2 are covered by this standard.
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