... pipeline integrity INTRODUCTION High-voltage (HV) alternating current (AC) and 50 Hz frequency supply systems, including overhead and underground electrical power transmission links, may interfere with steel gas pipelines. In the steady state, two types of issues must be considered, the safety of people...

... of software simulations and field observations to create useful recommendations for protective measures. lightning protection pipeline integrity computer modelling LIGHTNING PARAMETER Lightning currents are impressed currents, in other words a lightning discharge can be considered to be an almost ideal...

...Abstract Corrosion pit nucleation and propagation in underground pipelines vary by geographic position along the pipeline right of way (RoW). Effective pipeline integrity management requires both the modeling of corrosion initiation/propagation and the integration of field-acquired data...

... studied. Pipelines pipeline integrity in-line inspection effective area burst pressure INTRODUCTION Corrosion growth analyses are often used to estimate the remaining life of a pipeline asset that have existing metal loss anomalies. Anomalies reported by in-line inspections (ILIs) are grown in depth...

...The non-contact magnetic gradient tomography method (MTM-G) is a potential solution for this gap in the pipeline integrity industry. By using MTM-G technology, which is an innovative screening tool, stress concentration areas on buried pipelines can be identified by performing an indirect...

... DC Potential measurement circuit. This paper summarizes the preliminary analysis and test plan, the field measurements, and results. Pipeline Integrity DC Interference CIS DCVG Cathodic Protection (CP) INTRODUCTION During an overline survey of the Alliance Pipeline in the Alameda, SK area...

... performed by the Integrated External Corrosion Management (IECM) team since 2021. Process improvements, assessment results, and high-level economic analysis for selected case study pipeline segments will be reviewed and discussed. Pipeline Integrity Corrosion Control Corrosion Management Corrosion...

...; but on the Internet, there is a plethora of information regarding operating principle, advantages, drawbacks, and potential and actual uses of the GWT as inspection method. Instead, this paper makes a complete review of the involvement of the GWT in the pipeline’s integrity management process and specifically...

... and pipeline integrity risks impacting pipelines near high voltage AC power lines. A modelling approach often relies on the timely availability of accurate power line data from electric utilities to incorporate into simulation software. Long lead times for power line information requests, however, can often...

...-long crude oil pipeline located in North America. Pipeline construction, external corrosion history, modeling, field validation assessment, and resulting IECM protocols are presented and discussed. Pipeline Integrity Corrosion Control Corrosion Management Corrosion Science and Technology...

...Abstract Effective assessment of risk to pipeline integrity requires confidence in data and engineering analysis. The current body of literature on high voltage direct current (HVDC) influence on pipelines during steady state operation is limited. This paper presents an approach for data gathering...

... pipeline (up to 1000 psi, 15 ft/sec flow rate) for monitoring humidity, pressure, temperature, etc. Compared to most studies of DOFS outside the pipe, this is the first demonstration of DOFS inside a natural gas pipeline. Distributed Optical Fiber Sensors Pipeline Integrity Corrosion Management Internal...

... impact, and project costs. This paper describes the mitigation system's design, installation, and commissioning and discusses the benefits of a shared AC mitigation system approach. AC corrosion AC interference AC mitigation pipeline integrity INTRODUCTION AC interference analysis between high...

... and mitigate pipeline CP issues. Cathodic Protection Current Mapping Pipeline Integrity Current Density Introduction Inline cathodic protection current mapping is a unique method of assessing a pipeline’s cathodic protection. This is accomplished by measuring the actual current received by the pipeline...

... conditions. Bayesian network Erosion Pipeline Integrity Probabilistic Model INTRODUCTION The traditional guidelines in the industry related to corrosion management include ISO ⁽¹⁾ 13703, which suggested a maximum velocity of 5 m/s for single phase liquid transportation line. ⁴...

... examination (DE) program with state-of-the-art predictive technologies, sound engineering, and risk management practices, the Enbridge Pipeline Integrity ECP team is developing a unification of corrosion monitoring and mitigation strategies that will minimize and effectively manage external corrosion risks...