 In 2004 a new NGL extraction plant started up, in 2005 a new compressor was installed on the Troll A platform and in 2006 a sixth export compressor became operational at Kollsnes.The treatment process at Kollsnes involves separating out the NGL, and compressing the dry gas for export via Statpipe, Zeepipe, Europipe I and Franpipe.The Vestprosess system ties Kollsnes to the oil refinery at Mongstad with a pipeline for NGL.