Valve Placement Analysis Services

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Valve Placement Analysis Services

What’s the best location along a pipeline for a valve? What type of valve should be used? These are typical questions integrity managers are frequently asked to address. Why? Because placing the appropriate valve in the right location could reduce your spill potential and impact on a High Consequence Area (HCA). Pipeline segments impacting an HCA, in turn, have expensive integrity management costs such as increased patrols and more frequent inspection intervals. So it is important to get it right.

Using a combination of our Risk Intelligence Platform (RIPL) and our proprietary geo-spatial analysis software (RiskCAT) we can help you effectively balance the right level of capital expenditure with proactive mitigation of risk and long term costs.

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Overview
Overview

When is the right time to call us?

  • New Construction – There are well known regulatory requirements and engineering principals for valve placement. However, there might be locations along your new pipeline that are not so obvious. Are all your HCA impacts known along the proposed new route? Is there an accurate elevation profile of the pipeline so that drain down volume releases can be calculated? These are just some of the factors that must be considered to put the right valve in the right location.
  • Conversion of Service - Today, many operators are finding it more economical to simply convert an existing pipelines to carry different product such as converting natural gas line to a crude line. Existing right of ways can be repurposed, smaller capital expenditures, etc. all make it more efficient for conversion of service. But for the same reasons you should conduct a valve placement study for new construction, you should consider that same study for conversion of service.
  • Reversing Flow – Sometimes it just makes more sense to reverse the flow a product. But it’s not that simple. That check valve you had on the south side of the mountain is not a valid isolation point and the elevation is no longer a drain down prohibitor but a contributor to your pressure head – which means more product loss, which means more potential HCA impacts. Reversing the flow of your pipeline requires the same due diligence in selecting valve locations as for Conversion of Service and New Construction.
  • Pre-Risk Assessment – By placing a valve upstream of an HCA impact, it is possible to minimize the amount of product that would be released in the event of a rupture, in turn reducing the distance the released product might travel over the terrain and impact an HCA. These “could affect” segments that significantly contribute to annual risk assessment reporting. Increased risk, or course, means increased integrity management and maintenance costs. Proactively reduce your risk with the right valve and the right location and reduce your long term costs.