Flow Assurance

Flow Assurance Strategies in Offshore Oil and Gas Production

Flow Assurance is the engineering discipline focused on ensuring the safe, reliable, and continuous flow of hydrocarbons from the reservoir to the processing facilities throughout the entire life of an oil and gas production system. It addresses the technical challenges associated with transporting multiphase fluids—oil, gas, and water—under varying pressure and temperature conditions, particularly in subsea and offshore environments where long tiebacks, deep water, and low temperatures increase the risk of flow disruptions. It involves the prediction, prevention, and management of flow-related problems such as hydrate formation, wax and asphaltene deposition, scale buildup, corrosion, slugging, excessive pressure drop, and thermal losses. The discipline integrates steady-state and transient flow analysis, thermal and hydraulic modeling, chemical injection strategies, insulation and heating solutions, pigging philosophy, and operational procedures for startup, shutdown, and restart.

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