(19)

(11)

EP 2 268 894 A2

(12)

(88) Date of publication A3: 12.11.2009 (43) Date of publication: 05.01.2011 Bulletin 2011/01 (21) Application number: 09723610.3 (22) Date of filing: 17.02.2009

(51) International Patent Classification (IPC):  E21B 43/12(2006.01) E21B 21/10(2006.01) E21B 17/042(2006.01) E21B 17/10(2006.01) (86) International application number: PCT/GB2009/050156 (87) International publication number: WO 2009/115829 (24.09.2009 Gazette 2009/39)

(84) Designated Contracting States: 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 SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 20.03.2008 GB 0805216 (71) Applicant: FloTech Holdings Limited Road Town, Tortola (VG)	(72) Inventors: SIMONIAN, Sam F-75001 Paris (FR) BOYLE, Colin Hertfordshire (GB) CARTER, Neale Hertfordshire (GB) (74) Representative: Docherty, Andrew John  Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS Glasgow G2 7JS (GB)