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Large scale experimental data released to enhance CO2 pipeline design safety


Published Jun 8, 2015
CO2 molecules in pipeline
CO2 molecules in pipeline

The subject of CO2 transportation by pipeline is of increasing importance as many governments and communities worldwide come to terms with the challenges of carbon capture, utilisation and storage (CCUS) for the mitigation of climate change. The transportation aspect, is however, often looked upon as the ‘missing link’. The DNV GL led CO2PIPETRANS joint industry project (JIP) has just released a third batch of valuable experimental data that will greatly assist in the design process of CO2 pipelines.

To assess the consequences of an accidental release from a pipeline, computer models for gas dispersion are used. To-date, such computer models have had little or no CO2-specific validation due to the lack of relevant experimental data. The data made available by the CO2PIPETRANS JIP can be used to validate computer models used in CO2 pipeline design, thus strengthening the design process.

“The data and associated material made publicly available by the CO2PIPETRANS JIP will enable CO2 pipelines to be designed using more robust computer modelling which will lead to reduced design conservatism whilst maintaining acceptable levels of safety”, says Hamish Holt, Senior Principal Consultant at DNV GL.

The data being released this week is the third batch of experimental material that has been publically shared by the CO2PIPETRANS JIP. It was collected at the DNV GL Spadeadam test site in the UK in 2013 as part of the second phase of the CO2PIPETRANS JIP. The data was collected during a programme in which liquid phase CO2 at initial pressures up to around 100 barg was released through release holes ranging in diameter from 25mm to 150 mm (1 – 6 inches). The data and other material that support the use of the data can be downloaded freely from DNV GL’s website (www.dnvgl.com/ccus).

Also available from this website is the first batch which includes release and dispersion data from liquid and supercritical CO2 releases through holes with diameters up to 25mm (1 inch), and the second batch which includes data from long pipe depressurisation experiments.

The CO2PIPETRANS JIP has also undertaken experimental work to improve knowledge and data availability within the important subject areas of CO2 pipeline propagating crack prevention and corrosion rates with various CO2 stream impurities.

Tags: DNV GL Oil & Gas




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