Abstract
Long distance submarine oil and gas pipeline usually has a failure model of inside or outside corrosion. This will reduce the wall thickness and weaken the pipeline to resist fatigue load ability. According to the feature of submarine pipeline structure and load, the failure probability model and reliability evaluation is put forward based on the Monte Carlo method and normal distribution function. By the DNV OS F101 submarine pipeline system standard, there are four limit state, such as serviceability limit state (SLS), ultimate limit state (ULS), fatigue limit state (FLS) and accidental limit state (ALS). For serviceability limit state, the failure probability calculation model is put forward with comprehensive stress of finite element model based on the inside pressure load and temperature load of the vertical and straight pipeline. By use this computation model, the results of the failure probability and safety level are more accurate, it is very useful for the integrity and safety management of the submarine pipeline.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.