ABSTRACT

Naturalgas AlmostallthegasusedinGreatBritainisnaturalgasfrombeneaththeNorth Sea.Liquidnaturalgasatatemperatureof-160°Cisimportedinspecialships fromAlgeriaandisstoredinfrozenearthundergroundtanksonCanveyIsland andAmbergateinDerbyshire(seeFig.6.1).Thesefrozenearthtanksarekept hardbytheliquidgasat-160°Ccontainedinthem.Thetanksareapproximately40mindiameterand40mdeepandholdabout21000t(tonnes)of liquidnaturalgaswhichis600timesasmuchgasastheywouldholdifthegas wasnotliquefied.Theliquidisconvertedintoagasandtransmittedthrougha pipelinetoLeeds,withbranchestoprovidebulksuppliestoeightofthetwelve AreaGasBoards.ThisAlgeriangasisusedwithnaturalgasfrombeneaththe NorthSeaanditrepresentsabout10percentofthegassupplyfortheUK.