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22 07, 2021

Webinar Replay: Probabilistic Risk in Cognitive Integrity Management Leveraging C-FER Risk Models

Download Webinar Slides OneBridge and C-FER hosted a free webinar on July 20th at 10 am CDT (9 am MDT) to share how C-FER’s risk models use probabilistic methods to estimate quantitative risk levels for major threats to the pipeline. Attendees then explored how these models are embedded into OneBridge’s CIM solution. The C-FER-OneBridge integration will help operators: Access real-time capabilities for assessing risk on a rolling mile for each pipeline segment Monitor the entire pipeline system through CIM’s embedded Microsoft PowerBI dashboards. Allow operators to compare performance to peers based on targeted reliability thresholds are assigned [...]

2 06, 2021

Revisiting The Risk

Abstract Within the pipeline industry, there is a concerted push towards reducing the risks associated with the transportation of hazardous products. In the event of hydrocarbon liquid pipeline failure, major concerns are the negative effects on the environment and the socioeconomic impacts on the neighbouring population. The impacts are highly variable and depend on the type of fluid released and the locations affected by the spill; however, there is agreement that the consequences of failure increase with the amount of product released. Therefore, the ability to predict the potential volume of a spill due to a hazardous liquid release [...]

4 12, 2020

Risk Assessment of Underground Gas Storage Wells Subject to Well Entry

A new set of guidelines has been released for conducting risk assessments of underground gas storage (UGS) wells that are subjected to periodic well entry. These guidelines were developed by C-FER Technologies for The US Department of Transportation, Pipeline and Hazardous Materials Safety Administration (PHMSA) and are publicly available: Risk Assessment and Treatment of Wells. Webinar Part 1: Overview of the New Guidelines In Part 1 of this two-part webinar series, C-FER project lead Mark Stephens will provide an overview of the quantitative risk assessment (QRA) process that forms the basis for the guidelines, with [...]

22 09, 2020

Determining Corrosion Repairs Using a Simplified Reliability Approach

The reliability-based approach has been gaining popularity in the industry as a tool for planning transmission pipeline corrosion management programs. Compared to the typical experience-based deterministic safety factors prescribed in standards, the traditional reliability-based approach has the following advantages and disadvantages: Traditional Reliability-Based Approach Experience-Based Deterministic Safety Factors + produces a consistent risk level after repairs - produces unknown risk level after repairs + reduces unnecessary excavations by targeting high-risk pipeline sections - does not target high-risk locations - uses computationally challenging probabilistic calculations + uses simple deterministic calculations C-FER has developed a simplified [...]

14 06, 2020

How Can Pipeline Operators Evaluate Novel Non-welding Repair Technologies?

Flaws and defects in pipelines can result in significant problems. Fortunately, a new generation of tools are now available to detect circumferential crack-like features. Once detected, pipeline operators have a few options to repair these flaws: Replace the section of pipe; Weld a metal sleeve over an extended area; or Use any one of many possible non-welded repair technologies. One main challenge for operators is choosing the right repair solution for their specific operating conditions. Why Not Repair the Flaw with Traditional Welding? Welding a metal sleeve is the traditional approach, but it can also create problems. Welding [...]

11 03, 2020

3D Visual Image Correlation

Non-contact Strain Measurement Digital Image Correlation technology provides three-dimensional (3D) measurements of shape, global displacement and relative displacement (strain) on the surface an object using an optical method. Generally, Digital Image Correlation systems involve two or more imaging sensors (i.e. cameras) to provide sufficient information to for the software to triangulate and track objects in three dimensions. With the help of a randomized speckle pattern applied to the object’s surface, Digital Image Correlation systems can resolve displacements into continuous stress and strain measurements within the area of focus. Some of the main advantages of Digital Image Correlation [...]

10 03, 2020

On Water Leak Detection

Detecting Oil Spills on Inland Waterways Pose Significant Challenges Detecting oil spilled on inland waterways poses a significant challenge to pipeline operators due to: Changing water levels and flow rates; Presence of debris and suspended sediment; Floating and submerged oil; Ice cover for large portions of the year; and Remote locations with no supporting infrastructure. Bringing Value to Technology Evaluation by Simulating Realistic, Full-scale Conditions in a Controlled Environment The project will identify potential technologies and set up realistic, full-scale trials to help operators select the best technology to rapidly and reliably detect oil spills on inland waterways. [...]

3 03, 2020

Strain Based Design

How to Limit Permanent Pipeline Deformation when Conventional Methods Can't be Applied Ground movements or constrained thermal expansion can cause stresses in a pipeline or other structure to exceed the yield strength of the pipe material, resulting in permanent deformation of the pipe. Conventional stress-based design methods would suggest that higher strength materials and thicker pipe walls are required to limit the stress in these pipes; however, in many cases, these designs become impractical due to the cost or size of the pipe. A design approach is required to provide cost effective designs for the desired service life in [...]

26 02, 2020

Monte Carlo Simulation of Corrosion

Consider all Uncertainties in Your Data C-FER Technologies uses Monte Carlo simulation and statistical models to consider the uncertainty in all of your data. Below is a basic implementation of Monte Carlo simulation used to evaluate the burst pressure of corrosion features. Set the size and sizing accuracy of a corrosion feature and see how the simulated burst pressure distribution compares to the nominal deterministic value. You can also modify the burst pressure model and the number of simulations ran.

26 02, 2020

Historical Failure Rates

Visualize Your Data C-FER Technologies can leverage historical data to assist in identifying potential threats to your assets. Interactive, web-based visualizations allow you to make quick and meaningful insights based on your data or the results of C-FER’s assessments. The following visualization explores PHMSA Incident data. Use the slider to adjust the charted year from 1968 to 2019. Incidents are categorized based on their product, type and cause. Significant shifts in the data can be seen over years with changing reporting practices, such as in 1970 and 1984. [...]

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