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AT KårSTø, NGL IS SEPArATEd frOM rICH GAS ANd THEN SPLIT (frACTIONATEd) INTO PrOPANE, NOrMAL BUTANE, ISOBUTANE, NAPHTHA ANd ETHANE. THE PrOPANE IS STOrEd IN TWO LArGE ArTIfICIAL rOCK CAvErNS, WHICH HAvE A COMBINEd CAPACITY Of 140 000 TONNES. NOrMAL BUTANE, ISOBUTANE, NAPHTHA ANd ETHANE ArE HELd IN TANKS. KårSTø rANKS AS THE WOrLd’S THIrd LArGEST ExPOrT POrT fOr PrOPANE, NOrMAL BUTANE ANd ISOBUTANE, WHICH ArE KNOWN COLLECTIvELY AS LIqUEfIEd PETrOLEUM GASES (LPG). THESE PrOdUCTS ArE SOLd TO CUSTOMErS WOrLdWIdE. 1 The Kårstø processing plant.
Kårstø’s key role Kårstø north of Stavanger has been transformed over the past 25 years from poor pasture to one of the world’s largest processing plants for natural gas. Its capacity has been increased fivefold since operation began in 1985 through expansions, modifications and the installation of new equipment. And almost NOK 30 billion has been invested at the site since the Storting (parliament) approved the Statpipe development in 1981. With more than 30 fields tied back to Kårstø via pipelines, millions of cubic metres of gas and unstabilised condensate flow into the plant every day. Its original purpose was to receive and treat gas from fields in the northern North Sea, and this remains one of its main jobs. First gas arrived on 25 July 1985, with dry gas starting its journey to Emden in Germany on 15 October of the same year. The Statpipe system carries gas from the northern North Sea to Kårstø. value creation. Kårstø is an important link in the value chain from reservoir to European customers. Fields in the Norwegian Sea were also connected to the European gas market with the development of Åsgard, construction of the Åsgard Transport and Europipe II pipelines, and expansion of the Kårstø plant. Completed on 1 October 2005, the Kårstø expansion project 2005 (KEP2005) made it possible to receive rich gas from the Kristin field via Åsgard Transport. Capacity at the plant was increased by 20 per cent to 88 million scm per day. A plant to remove carbon dioxide from the sales gas was also built as part of KEP2005. A total of 638 cargoes of propane, butane, ethane, naphtha and stabilised condensate were shipped from Kårstø in 2006. Condensate is piped to Kårstø from the Sleipner area of the North Sea. At the plant, it is stabilised and fractionated in a dedicated facility which became operational on 1 October 1993. Roughly four million tonnes of stabilised condensate are shipped from the plant every year. An expansion in 2005 increased Kårstø’s ethane production capacity by more than 50 per cent to 950 000 tonnes per annum. 1
Page 1 and 2: ENGLISH ASSCO
Page 3 and 4: Contents Accepting responsibility,
Page 5 and 6: Health, safety and the environment.
Page 7 and 8: Motorways for Norwegian gas We oper
Page 9 and 10: Operatives in the control room at B
Page 11: Gas administration System operation
Page 15 and 16: Kollsnes Troll contains the largest
Page 17 and 18: RICH GAS NGL Gas processing Rich ga
Page 19 and 20: 1 The dornum receiving terminal.
Page 21 and 22: Zeebrugge terminal The receiving te
Page 23 and 24: St fergus terminal This facility st
Page 25 and 26: Riser platforms - key hubs The Drau
Page 27 and 28: The transport system currently unde
Page 29 and 30: dId YOU KNOW THAT... When you clean
Page 32: GASSCO AS P O Box 93, NO- 5501 Haug

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