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    Equipment- English

    Oil Pipeline Testing Methods

        Federal minimum pipeline safety regulations that establish minimum requirements for liquid pipeline safety integrity management allow four approaches to assess pipeline integrity: 1) Inline inspection or “ILI,” often called smart pigging, 2) hydrotesting, 3) direct assesment for external corrosion, 4) an equilavelent other technology that must be noticed and demonstrated to PHMSA before it is used for a particular threat on a pipeline segment. Federal regulation establishes a maximum reassessment period of no longer than 5 years, not to exceed 68 months. The federal regulations are mute as to the various strengths and weaknesses of the four allowed above assessment approaches, but place the obligation on the pipeline…