OGJ FOCUS: CO2 PIPELINES—1: Study details methods for determining steady-state pressure, temperature

Determining steady-state pressure and temperature profiles of new CO2 pipeline systems requires both accurate routines for predicting fluid properties and reliable methods of calculating, based on these properties, related pressure and temperature changes along the pipeline route. Key properties include density, kinematic viscosity, specific (isobaric) heat capacity, Joule-Thomson coefficient, and isentropic change of temperature with pressure.The capture of CO2 from power plants, its transportation through pipeline systems, and its long-term deposition in suitable storage reservoirs both on and offshore is considered a feasible option for preventing CO2 from entering the atmosphere, miti...

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