Slug Catchers in Natural Gas Production - NTNU

Karam – Slug Catchers in Natural Gas Production
LIST OF CONTENT
ABSTRACT .......................................................................................................................................... ii
ACKNOWLEDGMENT...................................................................................................................... iii
LIST OF CONTENT ........................................................................................................................... iv
LIST OF TABLES ............................................................................................................................... vi
LIST OF FIGURES ............................................................................................................................ vii
CHAPTER 1 INTRODUCTION .......................................................................................................... 1
CHAPTER 2 MULTIPHASE FLOW AND SLUGS ........................................................................... 3
2.1 Multiphase flow and flow patterns .............................................................................................. 3
2.2 Slug Flow .................................................................................................................................... 4
CHAPTER 3 SLUG CATCHERS ........................................................................................................ 8
3.1 Slug Catcher types ....................................................................................................................... 8
3.2 Vessel slug catcher vs. Multi-pipe slug catcher .......................................................................... 9
CHAPTER 4 SLUG CATCHERS DESIGN GUIDELINES ............................................................. 11
4.1 Steps and calculation process .................................................................................................... 11
4.2 Close-up on the formulas behind the design ............................................................................. 12
4.3 Components and specifications ................................................................................................. 16
CHAPTER 5 NORWEGIAN FIELDS AND SLUG CATCHERS .................................................... 22
5.1 Troll and Kollsnes ..................................................................................................................... 22
5.2 Heidrun and Tjeldbergodden ..................................................................................................... 23
5.3 Snøhvit and Melkøya ................................................................................................................ 24
5.4 Ormen Lange and Nyhamna ..................................................................................................... 24
CHAPTER 6 HYSYS SIMULATIONS ............................................................................................. 26
6.1 Model Setup with a close up on the Ormen Lange case ........................................................... 26
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