During the past few years the interest in integrity management systems for natural gas liquids (NGL) pipelines in North America has increased significantly. Pipeline companies in North America are realizing that NGLs create an operational risk that compels special attention to ensure that the best interests of many internal and external stakeholders are focused on. The physical properties and behavior of NGL products can be challenging for some leak-detection methods. The fairly high level of compressibility of the products makes accurate calculation of real-time line pack essential for a high performance leak-detection system.
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