(19)

(11)

EP 1 409 618 A1

(12)

(43) Date of publication: 21.04.2004 Bulletin 2004/17 (21) Application number: 00951117.1 (22) Date of filing: 15.08.2000

(51) International Patent Classification (IPC)7: C10L 3/06, B01F 5/00, B01J 19/24 (86) International application number: PCT/AU2000/000973 (87) International publication number: WO 2001/012758 (22.02.2001 Gazette 2001/08)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL Designated Extension States: AL LT LV MK RO SI (30) Priority: 17.08.1999 AU PQ228399 (71) Applicant: Metasource Pty Ltd Perth, WA 6000 (AU)	(72) Inventor: AMIN, Robert,Department of Petroleum Engineering Bentley,Perth, W.A. 6102 (AU) (74) Representative: MacLean, Martin Robert et al Mathys & Squire100 Gray's Inn Road London WC1X 8AL London WC1X 8AL (GB)