(19)

(11)

EP 2 507 567 A2

(12)

(43) Date of publication: 10.10.2012 Bulletin 2012/41 (21) Application number: 10787542.9 (22) Date of filing: 30.11.2010

(51) International Patent Classification (IPC):  F25J 3/00(2006.01) (86) International application number: PCT/GB2010/051997 (87) International publication number: WO 2011/064605 (03.06.2011 Gazette 2011/22)

(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: 30.11.2009 GB 0920947 (71) Applicant: Costain Oil, Gas&Process Limited Manchester, Greater Manchester M22 5WN (GB)	(72) Inventors: FINN, Adrian Greater Manchester M22 5WN (GB) JOHNSON, Grant Greater Manchester M22 5WN (GB) TOMLINSON, Terence Greater Manchester M22 5WN (GB) (74) Representative: Hamer, Christopher K. et al Mathys & Squire LLP 120 Holborn London EC1N 2SQ London EC1N 2SQ (GB)