(19)

(11)

EP 1 805 415 A2

(12)

(88) Date of publication A3: 10.08.2006 (43) Date of publication: 11.07.2007 Bulletin 2007/28 (21) Application number: 05786941.4 (22) Date of filing: 13.09.2005

(51) International Patent Classification (IPC):  F03D 7/06(2006.01) F03D 3/06(2006.01) (86) International application number: PCT/GB2005/003517 (87) International publication number: WO 2006/030190 (23.03.2006 Gazette 2006/12)

(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 NL PL PT RO SE SI SK TR (30) Priority: 13.09.2004 GB 0420242 13.09.2004 GB 0420243 (71) Applicant: Proven Energy Limited Ayrshire KA3 5LH (GB)	(72) Inventor: PROVEN, Gordon West Kilbride KA23 9QA (GB) (74) Representative: Fulton, David James et al Kennedys Patent Agency Limited 185 St Vincent Street GB-Glasgow G2 5QD GB-Glasgow G2 5QD (GB)