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Keywords: touchdown zone
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30814-MS
... Natural Gas Industries – Specific Requirements for Offshore Structures – Part 7: Stationkeeping Systems for Floating Offshore Structures and Mobile Offshore Units, 2013 . riser configuration mean tension tn curve fatigue life touchdown zone sn curve corrosion subsea system umbilical...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25349-MS
...-25349-MS coordinate system configuration global coordinate system standard deviation upstream oil & gas hurricane hang-off zone correlation analysis design validation integristick angular rate slwr sensor touchdown zone frequency accelerometer offshore technology conference...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25375-MS
... corrosion srb corrosion upstream oil & gas hydroxide mooring system microbiologically black corrosion product well integrity subsurface corrosion sulphide touchdown zone mic process artificial intelligence corrosion materials and corrosion touchdown region riser corrosion corrosion...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-23975-MS
... Abstract Field observations show that a steel catenary riser (SCR) connected to a floating production platform will dig itself a trench of a few pipe diameters in depth through the touchdown zone (TDZ). This appears to happen during the early stages of the SCR life. The trench has a curved...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20407-MS
... accounting separately for (i) a reduction in soil strength due to pipeline motions in the touchdown zone and (ii) an increase in the pipeline catenary bearing pressure due to vessel and pipeline dynamics. This represents a more robust methodology than the common industry practice of applying an empirical...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19128-MS
... demonstrated. Finally, the influence of cyclic motion within the touchdown zone duringpipe-laying is explored. Examples of numerical and physical modeling of the layprocess show that these dynamic effects can have a dominant influence on theas-laid embedment. Approaches for quantifying this aspect of behavior...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-19057-MS
... was heavily influenced by the fatigue performance of the riser touchdown zone and hang-off region. The interface with the floating production unit is made up of a support structure and flexible joint assembly to absorb the local dynamic bending moment. The 20-inch SCR that connects the export...

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