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(11)

EP 2 038 505 A1

(12)

(43) Date of publication: 25.03.2009 Bulletin 2009/13 (21) Application number: 07784643.4 (22) Date of filing: 12.07.2007

(51) International Patent Classification (IPC):  E21B 10/00(2006.01) E21B 10/42(2006.01) E21B 10/26(2006.01) (86) International application number: PCT/AU2007/000976 (87) International publication number: WO 2008/006170 (17.01.2008 Gazette 2008/03)

(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: 12.07.2006 AU 2006903759 (71) Applicant: Omni Oil Technologies Dubai (AE)	(72) Inventors: BASSAL, Adel, A. Walkley Heights, South Australia 5098 (AU) ZAKI, Magdr, M. Walkley Heights, South Australia 5098 (AU) GHARIB, Hossam Walkley Heights, South Australia 5098 (AU) (74) Representative: ABG Patentes, S.L.  Avenida de Burgos 16D Edificio Euromor 28036 Madrid 28036 Madrid (ES)