This paper describes a novel method for transportation of natural gas from offshore oil fields. The main focus is on capturing ''stranded gas'' as a slurry of natural gas hydrate mixed with crude oil. The concept was initiated and patented by Professor Jon Steinar Gudmundsson, at the Norwegian University of Science and Technology (NTNU). The further development has been carried out in co-operation with Aker Engineering AS. Aker Engineering, Arco, Amerada Hess, Neste Petroleum, Phillips, Shell, Total, and the Research Council of Norway have sponsored the development. Rather than preventing the hydrate formation, the idea of this concept is to deliberately produce a gas hydrate slurry in a reactor at suitable pressure and temperature. The slurry is a mixture of solid natural gas hydrate particles, and crude oil. It will then be pumped and stored and transported to its market. This takes place by a crude oil shuttle tanker, slightly modified for the purpose, and in the receiving terminal, where the slurry is reheated and dissociated into natural gas, crude oil and water. The formation process is strongly exothermic, and is an important issue how to remove the considerable amount of formation heat from the process.
Converting offshore associated gas to natural gas hydrate slurries, a novel technology for stranded gas
Umwandlung von Offshore-Erdölgas in Erdgashydratschlamm, eine neuartige Technologie für ''Schwimmgas''
1999
10 Seiten, 6 Bilder, 1 Tabelle, 16 Quellen
Aufsatz (Konferenz)
Englisch
Erdgas , Erdöl , Offshore-Gebiet , Schlamm , Mischen , Ölfeld , chemischer Reaktor , Druck (Mechanik) , Temperatur , Partikel , Sammelbehälter , Erwärmung , Dissoziation , exothermer Prozess
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