Page 32 - Pipelines and Risers

6 Chapter 1

I DESIGN REQUIREMENTS 1
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I WALL THICKNESS SELECTION I
1

- CATHOMC PROTECTlON

I
~
ROUTE SELECTION
- MINIMIS€ FMWUNE LENQTH
- MINIMIS€ FLOWLINE SPANDS
- MlNlMlSE NUMBER OF BENDS
- MAXIMUM CORRIDOR WIDTH
f

FLOWLINE PROTECTION -
- CONCRm COATING FAIL
- TRENCHINWBWRYINQ
- ROCKDUMPINQ REOUIREMENTS
- MAllRESSESS/STR!JCTURES

FLOWLINE STRESS ANALYSIS
-HOW STRESS
-LONQITUMNAL (EOUNALENT) STRESS
- SPAN ANALYSIS 6 VORTEX SHEDDMQ FAIL
- STABIUV ANALYSIS z
- EXPANSION ANALYSIS (&TIE-INS) REOUIREMENTS
- BUCKUNQ ANALYSIS
- CROSSINQ ANALYSIS

I
FLOWLINE INSTALLATION ANALYSIS
-tAY ANALYSIS 9
-W€WINQ
REOUIREMENTS
PROPk4TION BUCKLJNQ
-HYDROSTATIC COLUPSE
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t OPTIMAL DESIGN 1

Figure 1.3 Flowline design Analysis.