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Keywords: offshore pipeline
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Proceedings Papers
In-Situ Testing in Trench Backfill: Evidence of Evolving Backfill Density
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-049
... for design. The backfill density also affects the thermal conductivity, which affects the operating performance of pipelines and cables. reservoir geomechanics geological subdiscipline offshore pipeline reservoir characterization geologist resistance site densification uplift resistance...
Proceedings Papers
Use of Pipe-Seabed Observations Directly in PSI Analyses
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-052
... berm characterisation offshore pipeline seabed resistance structural analysis borge rodriguez white pipeline structural analysis point cloud assessment lateral seabed resistance liquified natural gas (lng) buckle site dataset psi analysis trajectory Innovative Geotechnologies...
Proceedings Papers
Up-Lift Resistance of Pipelines Within a Rock Berm
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-053
..., it has proven more economically viable to directly rock berm these smaller diameter pipelines laid on the seafloor, Figure 1, rather than adopt conventional trench and burial practices. resistance berm offshore pipeline up-lift resistance geometry test programme up-lift factor ou test ref...
Proceedings Papers
Development of a Vertical Embedded Plate Anchor (VEPLA) for Pipeline Restraint
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-054
... by Crondall Energy. offshore pipeline prototype scale offshore technology conference mattress development displacement restraint vepla seabed infrastructure liquified natural gas (lng) resistance loading innovative geotechnology mechanical protection anchor plate anchor centrifuge test...
Proceedings Papers
Quantification of Rockfall Risk for Submarine Pipelines and Umbilical Lines
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-057
... ABSTRACT: Much like their onshore counterpart, offshore pipelines and flowlines can be subject to rockfall impact when crossing nearly vertical slopes such as shelf-edge carbonate cliffs. In subaqueous environments, quantification of the risk is often limited by lack of direct observations...
Proceedings Papers
Operational Integrity of Pipelines on Mobile Seabeds: Using Survey Data to Explore Trends of Changing Pipeline Embedment and Span Evolution
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-060
... ABSTRACT: Reliable prediction of as-laid embedment and changes in embedment with time for surface-laid offshore pipelines and cables are important for the assessment of their operational response. This study interprets the field data from three sections of the same pipeline route from ROV...
Proceedings Papers
A Comparison of Methods to Estimate the Cable Breakout Capacity for Offshore Wind Applications
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-071
... cables are expected to be installed globally by 2030 (RenewableUK, 2021). offshore pipeline embedment estimation sustainability dnvgl cable simple friction model white social responsibility interaction resistance dnvgl-rp-f114 breakout capacity bearing capacity friction coefficient...
Proceedings Papers
Increasing Confidence in the Prediction of Axial Friction Factors for Offshore Pipelines and Cables
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-072
... of pipeline design. offshore pipeline geological subdiscipline silty sand piping simulation friction factor white geology reservoir geomechanics axial friction factor pipeline section installation embedment consolidation pipeline and cable geologist piping design resistance offshore...
Proceedings Papers
Numerical Modelling of Rock Protected Pipelines Subjected to Multi-Directional Pull-Out Forces
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-073
... ABSTRACT: Offshore pipelines are usually protected by installing rock berms, mattresses or mechanical backfilling of a trench. This is to protect the pipelines from dropped objects, fishing gear interaction, vessel anchors, icebergs and provide resistance to operational pipeline loads induced...
Proceedings Papers
Characterising the Pipe-Seabed Interactions for Pipeline Decommissioning
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-074
... ABSTRACT: The seabed resistance may be a key factor affecting offshore pipeline retrieval at a time of decommissioning. However, there is little guidance on the adequate characterisation of the pipe-seabed interaction (PSI) during retrieval. Of particular importance is the pipe-seabed contact...
Proceedings Papers
Automation of Slope Stability and Rock Berm Support Design
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-170
... of the data not being specific to the final locations of key infrastrucutre. geologist subsea system operation installation assessment soil condition strength slope stability excavation geology intervention stability seabed stabilisation offshore pipeline requirement innovative...
Proceedings Papers
Dynamic Numerical Evaluations of Slope Movement-Induced Demands on Pile-Supported Jetty and Offshore Pipeline for an Import LNG Terminal
Available to PurchaseV. A. Drosos, P. Tasiopoulou, A. Giannakou, J. Chacko, C. T’Joen, D. Papadopoulos, S. de Wit, R. Fearon
Publisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-196
... of computing dynamic numerical evaluation offshore pipeline flexible pipeline resistance slope movement-induced demand configuration reservoir geomechanics slope movement jetty mllw stiffness geologist liquified natural gas (lng) reservoir characterization evaluation liquefaction time history...
Proceedings Papers
Optimisation of Rock Berm Shapes for Pipeline Protection
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-229
... or qualification of the protection they provide. geometry slope 1 rock berm offshore pipeline configuration berm configuration berm shape trawl test berm protection north sea berm geometry trawl trawl gear interaction conventional berm geometry programme cover height innovative...
Proceedings Papers
Interpreting Interface Shear Strength Parameters for Pipe-Soil Interaction Analysis Using Bayesian Inference
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-239
... Recommended Practice-F114 (2017) using interface shear resistance parameters derived from laboratory testing. geologist piping simulation geology offshore pipeline geological subdiscipline experimental observation interface strength envelope artificial intelligence reservoir geomechanics...
Proceedings Papers
Slope Instability on the Egyptian Slope: Potential Link to History [?]
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation Geotechnics 9th International Conference, September 12–14, 2023
Paper Number: SUT-OSIG-23-255
... characterization depositional environment offshore pipeline paleo-landslide 1 structural geology earthquake innovative geotechnology instability seismic data alexandria delta slope egypt year bp facies assessment category 1 nile delta pharo mediterranean Session 22 - Project & Design Case...
Proceedings Papers
Low Logistics AUVs - An Advanced Survey Tool
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-22
... sensor low logistics auv operation sss pipeline inspection scope platform upstream oil & gas acquisition offshore pipeline mbe route survey military application stable platform vehicle requirement application survey tool artificial intelligence pipeline inspection...
Proceedings Papers
A New Framework For Axial Pipe-Soil Resistance, Illustrated By a Range of Marine Clay Datasets
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-39
... variation. new framework pipe weight offshore pipeline proc strength white dj pipe-soil interaction axial pipe-soil resistance penetration model test displacement interaction resistance friction factor axial pipe-soil interaction axial resistance randolph mf upstream oil & gas...
Proceedings Papers
A New Framework For Axial Pipe-Soil Interaction, Illustrated By Shear Box Tests On Carbonate Soils
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-40
... carbonate soil roughness new framework strength pipe-soil interaction upstream oil & gas effective stress failure envelope axial resistance shear box test undrained strength offshore pipeline resistance excess pore pressure consolidation axial pipe-soil interaction interface...
Proceedings Papers
Lateral Resistance of Rock-Dumped Pipelines
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-41
... mainly looked at in situ sand, not rock, conditions. internal friction angle interaction geometry resistance lateral resistance small-diameter pipeline analytical method offshore pipeline midstream oil & gas pipeline failure mechanism friction angle rock-dumped pipeline yimsiri...
Proceedings Papers
Improving the Performance of Offshore Pipeline Ploughs Using Vibration
Available to PurchasePublisher: Society of Underwater Technology
Paper presented at the Offshore Site Investigation and Geotechnics: Integrated Technologies - Present and Future, September 12–14, 2012
Paper Number: SUT-OSIG-12-42
... increases in tow forces of 4–6%. 1. Introduction Offshore pipelines may be installed below the seabed using ploughing techniques to ensure protection against human activity, such as fishing and anchoring. Burial also reduces thermal losses when pumping hot product and the associated problems of upheaval...
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