Studies the effects of weight coatings of different types and densities as they influence offshore pipe-laying operations and the associated effects on on-bottom forces generated by environmental extremes.
Tests to determine the hydrodynamic forces acting on a submarine pipeline when it becomes unstable under the influence of severe environmental loads. The study has been carried out in a scaled-down model test programmed comprising approximately 500…
The overall objective of this research was the development of economically and technically satisfactory concrete/coating/waterproofing systems for low-density weight coatings for offshore gas transmission pipe which can be practically applied by pipe…
Documents a study to identify the most suitable theories (models) for representing the near-bottom kinematics due to waves and/or currents. The basis for the evaluation of the various models included a comparison of models with field and laboratory…
Analysis to determine the axial and bending forces and stresses induced in laterally deflected pipelines. It was further requested that the study include several commonly used pipe sizes, strengths, and line lengths in addition to a failure criteria…
This document is the Final report of the Milestone 4 of the SPDA-1-3 Industry High Value Objectives project. It presents validation of the CFD models prepared for simulation of wave and current forces on subsea pipelines as well as a summary of the…
Revised Pipeline On-bottom Stability computer program suite. Updated Pipeline On-bottom Stability user guideline. Brief report on indicating possible objectives for further revisions to the analysis tools and user guideline. This report includes…
An evaluation of the GEOTECH program developed by Jean Prevost of Princeton University for project PR-158-151. The program predicts static and transient, two and three dimensional soil behavior for general initial value problems. The integrated…
The extension of the PRCI on bottom stability (OBS) software's applicability to shallow water is assessed. Version 3 of the software has a limitation on water depth
A comprehensive design aid addressing all aspects of submarine pipeline design, and specifically detailing the stability design procedures and process.