... growth by presenting datasets, a statistical analysis, and predictive models. Using data from the International Soil Reference and Information Centre (ISRIC) and a North American pipeline operator, this research offers a correlation analysis, showing the impact of soil features and the critical role...

...Abstract One of the major causes of failures in buried pipelines has been identified as microbiologically influenced corrosion (MIC). Globally, the contribution of MIC in total number of buried pipeline failures is estimated to be between 10% to 70%. This research investigated simultaneously two...

... due to the difficulty of obtaining better sources of water. ⁵ In this paper, laboratory data on the use of chemicals in long duration tests simulating pipeline hydrotest conditions are provided. The laboratory data comes from experiments done in 2001 by our company. ⁶...

... of the pipeline and was due to the thinning of the pipe wall. An extensive investigation was conducted including detailed visual and microscopic examination, mechanical testing, froth and solids abrasivity characterization, and hydraulics analysis. Various laboratory tests were performed to simulate different...

...SINGLE AND DUAL LAYER FUSION BONDED EPOXY COATINGS The corrosion protection of pipelines in most of the countries is usually achieved by a high-quality coating with three-layer polyethylene (3LPE) in combination with cathodic corrosion protection (CP). This technical principle has an excellent...

...Abstract Top-of-line corrosion (TLC) is known as one of the main corrosion threats in wet gas pipelines operating in stratified flow conditions. Using a corrosion model is one of the key tools to identify and quantify the threat and to identify the potential need for mitigation and control...

...Corrosion Management Framework Threats Barriers Corrosion Monitoring High sour high pressure Pipelines Non-intrusive technology Corrosion Inhibitor Pigging INTRODUCTION The Corrosion Management Framework is a means of implementing the corrosion control strategy, ensuring feedback between...

... to be a concern. ⁵ Testing was conducted on two different base metal types. A modern low-alloy steel and a vintage steel with a high carbon equivalency, deemed “M1” and “M2” respectively for this experiment. This was done in order to represent a broad range of common pipeline steel types based...

...Because of these past rules, many water and energy pipeline operators with vintage pipelines still have an inventory of legacy cased crossings that need to be monitored and maintained. This paper will explore the approaches for casings utilized by Water pipelines and Energy pipelines. DISCUSSION...

...nonmetallic inspection pipelines corrosion Below is a summary of the inspection scenarios and the appropriate NDT technologies and their evaluation results: Inspection of The Substrate when The Corrosion is Internal If the reason for applying the repair is reinforcement of the structure due...

... GTNW-C Geotextile (non-woven) Separation, reinforcement, filtration and/or drainage 4 GM-A Geomembrane Containment 5 GTW-A Geotextile (woven) Separation, reinforcement, filtration and/or drainage 6 GTW-B Geotextile (woven) Pipeline weight (buoyancy control) 7 GN...

...Each segment is tested separately, then the water is transferred to the succeeding segment to be tested, and so on. To calculate the duration for each step/activity for each segment, the following numbers were used from real-time data of a 56-inch pipeline on average: - Average filling rate = 1.6...

...In the three multiphase pipelines, the microbial diversity included up to 42 different bacterial genera based on DNA sequencing. The dominating microbial groups included the following genera of Bacteria with abundance (%) given for MF1, MF2 and MF3, respectively: Abstract Sampling...

... with actual field and lab testing data as a basis to quantify accuracy and efficacy of the model. corrosion prediction top of line TLC multiphase flow oil and gas pipelines INTRODUCTION Although Top of the Line Corrosion (TLC) was observed as early as 1960, the potential damage to the oil and gas...

... environment and in seawater under cathodic protection (CP) to understand the difference in the CGR. The applicability of a crack tip strain rate based model in rationalizing the CGR vs K. Offshore pipelines fatigue crack growth rate crack growth rate fatigue fracture subcritical crack growth crack tip...

...Abstract Pipelines for transferring pressurized seawater constitute a significant part of the network for enhancing oil recovery in many offshore oilfields. To maintain the integrity of the system it is important to mitigate corrosion in the pipeline, or consequently corrosion may cause...

...Abstract The structure to electrolyte potential survey is a useful and important test to evaluate cathodic protection systems. The structure to electrolyte potential values on carbon steel pipelines should be negative when the voltmeter positive terminal is connected to the structure...

...Abstract This paper describes the methodology used to identify and prioritize mitigation locations of potential interference from high voltage alternate current (HVAC) transmission line on a large pipeline transmission system in the United States. Satellite imagery with pipeline and HVAC...

...AC Interference AC Mitigation AC Close Interval Survey Close Interval Survey (CIS) Monitoring AC Voltage Measurement AC Survey High Voltage AC (HVAC) Transmission Powerlines Pipelines INTRODUCTION Abstract The measurement of induced AC voltages along a pipeline is a primary indicator...

...Abstract Although submarine pipelines are designed with an external coating as the primary system for corrosion control, a cathodic protection system is normally installed as a back-up for any deficiencies of the pipeline coating, including defects induced during coating application...