Dynamic analysis of SLWR subjected to internal slug flow conditions
- Authors
- Park, B.W.; Oh, S.H.; Kwon, Y.J.; Jung, J.H.; Jung, D.H.
- Issue Date
- 2019
- Publisher
- International Society of Offshore and Polar Engineers
- Keywords
- Catenary equation; Configuration; Flow regime; Slug flow; Steel wave lazy risers
- Citation
- Proceedings of the International Offshore and Polar Engineering Conference, v.2, pp 1861 - 1867
- Pages
- 7
- Journal Title
- Proceedings of the International Offshore and Polar Engineering Conference
- Volume
- 2
- Start Page
- 1861
- End Page
- 1867
- URI
- https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/8402
- ISSN
- 1098-6189
- Abstract
- The riser is one of the most important system for deep water oil field development, which can transfer production fluid such as gas, oil and water from well to topside of processing platform on sea surface. There are several types of riser systems, depending on the material, configuration, and layout. Among these possible selections, Steel Lazy Wave Riser(SLWR) is a riser system suitable for deep and severe environmental conditions, because it can reduce excessive line tension at the hang-off position and fatigue damage at the touchdown point. A lazy wave configuration can be implemented using buoyancy modules attached in the middle of the SLWR. The configuration of the SLWR varies depending on the density and flow pattern of the production fluid. In this paper, the initial configurations of the SLWR ware evaluated based on catenary equation taking into account buoyancy from buoyancy modules. Dynamic analysis carried out considering the influence of density of the internal fluid and fluid pattern in configuration, especially for slug flow data calculated using multi-phase flow analysis. Applicability of SLWR of configuration and design considering effects of internal flow regime ware studied based on the analysis results. ? 2019 by the International Society of Offshore and Polar Engineers (ISOPE).
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