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Modernising Standards to Meet Today's Needs

Case Study

Client name: Confidential

Industry: Chemical and Process

Profile: The current wet gas measurement standards are acknowledged by industry and regulators to be limited and in need of revision. To advance these standards and to provide guidance for measuring wet gases, TÜV SÜD National Engineering Laboratory carried out a number of pieces of research in its wet gas flow facility. This work provided a better understanding of how installation effects impact on meter performance. The main benefits of this research will be a reduction in measurement uncertainty and financial exposure from flow meters installed in the field.

Business challenge: The push to recover hydrocarbons from more difficult fields has presented the oil and gas sector with new measurement challenges. The exploitation of tighter geological formations and subsea has led to the need for non-standard meter installations (i.e. deviations from traditional horizontal meter installations). The industry is also faced with the challenge of accurate flow measurement in the presence of water. The current wet gas measurement standards ISO/TR 11583:2012 and ISO/TR 12748:2015 are acknowledged by both industry and regulators to be in need of revision. Gaps in the standard are having a significant effect on the development of new fields in the UK and, so, subsequently posing a risk to the UK’s economy and energy security.

Our approach: To address these issues and to advance standards and guidance for measuring wet gas, TÜV SÜD National Engineering Laboratory used its wet gas flow facility to investigate the impact that the orientation of installed meters has on measurement accuracy. The facility (which has the capability for three-phase testing), was also used to undertake an assessment of the true measurement effects of water when it is present in production fluids.

Our solution: This research provided a better understanding of how installation affects meter performance (including measurement uncertainty and stability). The work allowed the development of reference data and correction factors to reduce measurement bias.

Business benefits: The main benefits of TÜV SÜD National Engineering Laboratory’s research will be a reduction in measurement uncertainty and financial exposure caused by flow meters installed in the field. The significance of this work will be substantial. Gaps in the standard have created measurement uncertainties larger than 10%. This means that, due to inadequate standards, industry and stakeholders are facing financial exposure of more than £4bn every year.

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Related services: National Measurement System | Chemical Testing | Flow measurement

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