(19)

(11)

EP 2 649 304 A1

(12)

(43) Date of publication: 16.10.2013 Bulletin 2013/42 (21) Application number: 11813681.1 (22) Date of filing: 09.12.2011

(51) International Patent Classification (IPC):  F03B 13/18(2006.01) F03D 9/00(2006.01) F03B 13/20(2006.01) (86) International application number: PCT/GB2011/001705 (87) International publication number: WO 2012/076851 (14.06.2012 Gazette 2012/24)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 10.12.2010 GB 201021031 (71) Applicant: Trident Energy Limited Lincoln's Inn London WC2A 3TH (GB)	(72) Inventors: PACKARD, Stephen John Ipswich IP8 3DT (GB) VAN DEN BURGH, Malcolm Felixstowe IP11 OUD (GB) (74) Representative: Jackson, Martin Peter et al J A Kemp 14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)