2015 ARKH-P4-3 Sealines
.pdfARKHANGELSK STATE TECHNICAL
UNIVERSITY
OFFSHORE FIELD DEVELOPMENT PROCESS,CONCEPTS
AND FACILITIES
OCT 2015
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PART 4.3: OFFSHORE PRODUCTION FACILITIES
SEALINES
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Daniel Saincry
Pipeline Engineering
Flowlines, Export and Onshore Pipelines
Equipment specifications
Line pipe
Anodes
Corrosion & weight coating
Field joints
J-lay collars and buckle arrestors
Bulkheads
Geophysical & Geotechnical Survey
Construction
Welding
2 2
Pipeline Engineering
Flowlines, Export and Onshore Pipelines
Single wall & pipe-in-pipe design
Route Definition
Wall thickness optimization
Stability and span analysis
Thermo-mechanical expansion assessment
Thermal insulation design
Lateral and upheaval buckling
Flexible or rigid
Installation analysis
S-Lay
J-Lay
Reel lay
Towed
Seismic analysis
Tie-in design
Cryogenic design
3
Temperature
Temperature
Ensure continuous flow
Passive Insulation
Active Heating
Direct Electrical Heating
Pipe In Pipe-hot Fluid Circulation
Pipe In Pipe-Heat Tracing
Down Hole Heat Tracing
4 4
Hydrate Mitigation
Selecting the best solution is an important economic decision
55
Flexible Or Rigid
The best option may only be known after looking at all aspects, including installation and de-commissioning
6 6
Laying methods
7
S Lay Barge Welding Practice
8 8
Reeled Pipe vs Barge Lay
Often difficult to conclude best commercial solution without obtaining quotations
9
SUBSEA PIPELINES LAYING BARGE
“S” shape laying barge
“J” shape laying barge
(deep offshore)
10