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Optimisation of maintenance and inspection programmes through risk analysis can be used for coating maintenance. The risk picture can be described by 1) Scenario, 2) Frequencies, and 3) Consequences, for protective coatings. A systematic approach for optimisation of the maintenance programme has been developed.
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The methodology developed involved initially flushing the facilities with less saline water to remove deposits and sediments, and subsequently treating the entire facility with a mixture of corrosion inhibitor, oxygen scavenger and biocide in brackish water.
Suncor is an integrated oil, gas exploration, and production company that operates over 1000 km (622 miles) of pipeline in Canada and approximately 386 miles (621 km) of pipeline in US. Suncor also operates refineries in Alberta, Ontario, Quebec (Canada) and in Colorado (USA). Additionally, the company owns a network of more than 1,800 Petro-CanadaTM retail and wholesale locations across Canada.
On an increasingly frequent basis, pipeline operators are using risk-based decision making to prioritize cross-company expenditures. Due to the long-term mitigation benefits of Cathodic Protection (CP), when planning external corrosion mitigation activities, pipeline operators typically prioritize mitigation of deeper anomalies for integrity expenditures due to their higher Probability of Failure (PoF). However, anomalies that are not receiving adequate CP or those experiencing electrical interference may remain unaddressed using this rationale. This paper presents both a qualitative and semi-quantitative approach to support the quantification of the risk reduction benefits gained from external corrosion prevention on pipelines. This can help in the efficient prioritization of both pro-active and re-active integrity repair activities. Supporting examples are also discussed to help explain the intended use of the methodology and the interpretation of the results.
Enbridge is proposing to develop a program that utilizes state-of-the-art technologies and proven inspection methods to prescribe interventions related to external corrosion mitigation using a predictive, integrated approach. This new program embraces complex problems by collecting, analyzing, and integrating environmental, pipeline integrity, and corrosion control data to predict external corrosion risk with sound engineering models (mechanistic, reliability and risk) to anticipate, prevent, and contain unexpected events.
Management and operating teams, across all industries, but especially inside asset management organizations, must increasingly rely on data-driven assessment and analytics for decision making. Clearly, inefficiency and ineffectiveness associated with manual or poorly optimized business processes and fragmented business management Infrastructures is a barrier to formulating the safest, most efficient and cost effective asset management and operational decisions. According to Deloitte’s digital maturity analysis, the midstream industry and specially the pipeline sector is in its lowest stages of digital adoption (first 20-30% progress).
This paper takes a look at emerging environmental, health and safety issues that may impact painting contactors and facility owners. Specific topics include a summary of OSHA and EPA’s new and proposed revised regulations related to lead, paint, and construction. Information will be provided on EPA regulatory actions related to NAAQS Lead and the recent advanced notice of proposed rulemaking for Lead, Renovation, Repair, and Painting Program for Public and Commercial Buildings.
Army Regulation (AR) 11-42, Army Corrosion Prevention and Control Program, requires that program managers and engineers use a risk-based approach (RBA) to identify the corrosion susceptibility on critical components and the consequence to the overall system. Department of the Army Pamphlet (DA PAM) 11-42 provides an example of generic procedures for conducting a risk-based approach. The goal of this project was to develop a detailed, standardized process for conducting a risk-based approach during CPC planning.
Risk-based inspection is a business process and improvement tool to enhance asset performance as well as asset life. This paper intends to discuss risk-based coating inspection parameters to enhance coating/lining life and prevent and or mitigate the corrosion threat to assets. This paper further discusses each key aspect of protective coating/lining inspection parameters and its intended purpose.