Unfortunately, the US guidance documents for pipeline risk assessment are still not up to date. This continues to be a source of confusion for some and frustration for others. Please click this link to read the pdf file of this article.
Results for Certification
Certifications: The Leaning Tree Incident
An operator recently experienced damage to their pipeline when a metal pipeline marker post was driven into the ground by a falling tree – the ‘leaning tree incident’. This is certainly not a common pipeline failure scenario. How much criticism against a risk assessment is warranted if this obscure event is missed? CERTIFICATION With growth in both the number of […]
Test Case Information
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ID from to event attribute units notes Gas 0 1200 soil corrosivity 4 mpy Gas 1200 1400 soil corrosivity 18 mpy swamp Gas 1400 2400 soil corrosivity 4 mpy Oil 0 1200 soil corrosivity 4 mpy Oil 1200 1400 soil corrosivity 18 mpy swamp Oil 1400 2400 soil corrosivity 4 mpy HVL 0 1200 […]
Certification of Pipeline Risk Estimation Methodologies
How It Works This certification process tests a risk assessment methodology by having it produce risk estimates for three parallel pipelines for which risk-pertinent data is available. A sketch and dataset details some relevant facts for each pipeline. Many, but not all, common pipeline risk issues are illustrated or implied by the data provided. Someone […]
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What’s behind the EE guideline document that DNV and you recently released?
We are advocating a degree of standardisation that serves all stakeholders. This list of essential elements sets forth the minimum ingredients for acceptable pipeline risk assessment. Every RA should have these elements. A specific methodology and detailed processes are intentionally not essential elements, so there is room for creativity and customised solutions. DNV’s recognition of […]