Conventional Offshore Pipelines

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Synthesis

Day 1 :A. PIPE FABRICATION
General
Steel manufacture
Linepipe fabrication technology (U.O.E. versus seamless)
B. EXTERNAL PROTECTION
External protection with coatings
External protection with cathodic protection
Weight coating
Buckle arrestors
Films: Nogats, Esdep

Day 2 :
C. CONVENTIONAL LAYING
Lay barge: pipe handling, storage, preparation, line up, alignment, clamping and welding stations, tensionner, inspection, field joint, stinger
Other vessels: anchor handling tugs, supply vessel, diving support vessel
Films: Frigg (part 1), Nord Pipe, Sakhalin

Day 3 :
D. NON CONVENTIONAL LAYING
J laying
Towing (the 5 methods)
Reeling
Films: Rosa, Dalia

Day 4 :
E. PROTECTION STABILIZATION AND CONNECTIONS
Protection: jetting, trenching, ploughing
Stabilization
Connections: welded connections (hyperbaric welding and above water welding), mechanical connections
(flanges, mechanical connections)
Films: Frigg (part 2), Nord Pipe

Day 5 :
EXAM
RESULTS
Quick overlook on deep offshore
Films: Dalia Pazflor & Matterhorn

Language

Français & Anglais

Audience type

Bachelor/Master students in petroleum engineering or civil engineering or mechanical engineering.

Planned duration

5 days x 3 1/2 hours but duration could be tailored to meet students levels and/or University program Films will be shown, at each lecture.

Support material

Paper booklet with a selection of the main Slides in English (Slides in Russian available)

Prerequisite

Objectives

To acquire technical and practical knowledge on platforms and pipelines designed and installed on conventional offshore (water depth between and 5 meters)