An integrated FMEA and MCDA based risk management approach to support life extension of subsea facilities in high-pressure–high-temperature (HPHT) conditions

M Shafiee, I Animah - Journal of Marine Engineering & Technology, 2022 - Taylor & Francis
The majority of facilities installed in offshore oil and gas fields during the 1980s and 1990s
were designed to operate in 'normal'conditions. However, during the operational life of the …

Direct monitoring of active geohazards: Emerging geophysical tools for deep‐water assessments

MA Clare, ME Vardy, MJB Cartigny, PJ Talling… - Near Surface …, 2017 - earthdoc.org
Seafloor networks of cables, pipelines, and other infrastructure underpin our daily lives,
providing communication links, information, and energy supplies. Despite their global …

[HTML][HTML] Whole life design: Theory and applications of this new approach to offshore geotechnics

S Gourvenec - Indian Geotechnical Journal, 2022 - Springer
Geotechnical properties can evolve throughout the design life of a structure due to actions
imposed during installation, the operational life or late and end of life management of an …

Effects of variability in lateral pipe-soil interaction and pipe initial out-of-straightness on controlled lateral buckling of pre-deformed pipeline

J Chee, A Walker, D White - Ocean Engineering, 2019 - Elsevier
The state-of-the-art method for controlling temperature-induced global lateral buckling of a
subsea pipeline is to engineer deliberate buckles at widely spaced locations. These buckles …

Seabed processes: Sediment transport, scour, and sedimentation

S Draper, JM Harris, L Cheng… - Encyclopedia of Maritime …, 2017 - Wiley Online Library
In many offshore locations the seabed is mobile due to the action of currents and/or waves.
The criteria for mobility (sediment transport) is that the shear stress imparted by the currents …

The variability of marine sediment erodibility with depth: Centimetric scale effects detected from portable erosion flume tests

H Mohr, SA Stanier, DJ White, M Kuo - Applied Ocean Research, 2021 - Elsevier
A portable erosion flume has been developed that is capable of estimating erosion threshold
and erosion rate relationships for fine-grained specimens over the depth of a typical sample …

[PDF][PDF] Estimating the drained friction capacity of pipelines on mobile seabeds

JG Tom, TJ Griffiths, DJ White, SHF Leckie - 2019 - issmge.org
Pipelines resting on mobile sandy seabeds must be adequately stable under hydrodynamic
action. This paper describes numerical analyses to establish the available geotechnical …