(19)

(11)

EP 2 057 374 A2

(12)

(88) Date of publication A3: 24.04.2008 (43) Date of publication: 13.05.2009 Bulletin 2009/20 (21) Application number: 07789210.7 (22) Date of filing: 14.08.2007

(51) International Patent Classification (IPC):  F03B 13/14(2006.01) (86) International application number: PCT/GB2007/003085 (87) International publication number: WO 2008/020190 (21.02.2008 Gazette 2008/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 15.08.2006 GB 0616210 (71) Applicant: Neptune Energy Limited Sway Lymington Hampshire SO41 6BW (GB)	(72) Inventor: CAREY, Dennis James Ulverston Cumbria LA12 8AE (GB) (74) Representative: Loveless, Ian Mark et al Reddie & Grose 16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)