Compact in-line separation solves severe slugging problems on Statfjord B

The CDS/Statoil centrifugal degasser is an in-line device that separates gas and liquids more compactly than existing designs. It has no moving parts and requires no power. Due to a very simple yet effective control system, the unit reaches very high separation efficiency regardless of flow fluctuat...

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Bibliographic Details
Published in:Offshore (Conroe, Tex.) Tex.), 2001-09, Vol.61 (9), p.72-73
Main Authors: STANBRIDGE, D, HOLLMAN, R, HOLT, O, HOYDAL, J
Format: Magazinearticle
Language:English
Subjects:
Applied sciences
Crude oil, natural gas and petroleum products
Crude oil, natural gas, oil shales producing equipements and methods
Drilling muds
Energy
Equipment and supplies
Exact sciences and technology
Fuels
Gas industry
Natural gas
Oil and gas field equipment industry
Oil extraction from wells. Pumping. Shale oil extraction. Well workover
Petroleum
Petroleum industry
Product information
Prospecting and production of crude oil, natural gas, oil shales and tar sands
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Summary:The CDS/Statoil centrifugal degasser is an in-line device that separates gas and liquids more compactly than existing designs. It has no moving parts and requires no power. Due to a very simple yet effective control system, the unit reaches very high separation efficiency regardless of flow fluctuations, typically 99.5% gas from liquid, with the gas being 100% free of liquid. The requirement for an in-line degasser came from operational problems encountered on Statoil's Statfjord B platform. As water production increased over the years, the gas in the line between the level control valve and the degassing tank caused more and more problems due to the slug flow causing vibrations strong enough to limit production. (Abstract quotes from original text)
ISSN:0030-0608
2688-3295