API MPMS Chapter 9.4 PDF
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Manual of Petroleum Measurement Standards Chapter 9 – Density Determination – Section 4 – Continuous Density Measurement Under Dynamic (Flowing) Conditions, First Edition
American Petroleum Institute , 01/01/2018
API MPMS Chapter 9.4 PDF
This standard covers the continuous on-line determination and application of flowing liquid densities for custody transfer. This standard covers liquid and dense phase fluids, including: natural gas liquids, refined products, chemicals, crude oil, and other liquid products commonly encountered in the petroleum industry. This document does not apply to the density measurement of natural gas, LNG, multiphase mixtures, semi-solid liquids such as asphalt, and solids such as coke and slurries.
This standard also provides criteria and procedures for designing, installing, operating, and proving continuous on-line density measurement systems for custody transfer. This standard also discusses the different levels and requirements of accuracy for various applications.
This standard, API MPMS Chapter 9.4, Continuous Density Measurement Under Dynamic (Flowing) Conditions, First Edition, supersedes API MPMS Chapter 14.6, Continuous Density Measurement, Second Edition, which is withdrawn.
