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(11)

EP 4 562 265 A1

(12)

(43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23844668.6 (22) Date of filing: 15.06.2023

(51) International Patent Classification (IPC):  E21B 7/02(2006.01) E21B 3/04(2006.01) E21B 17/03(2006.01) E21B 19/087(2006.01) E21B 19/16(2006.01) E21B 3/02(2006.01) E21B 15/00(2006.01) E21B 17/16(2006.01) E21B 19/15(2006.01) (52) Cooperative Patent Classification (CPC): E21B 19/087; E21B 19/16; E21B 7/02; E21B 19/15; E21B 19/20 (86) International application number: PCT/AU2023/050534 (87) International publication number: WO 2024/020620 (01.02.2024 Gazette 2024/05)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 25.07.2022 AU 2022902077 (71) Applicant: Mohideen, Farlin Anooz Belmont WA 6104 (AU)	(72) Inventor: Mohideen, Farlin Anooz Belmont WA 6104 (AU) (74) Representative: Sirius IP  Office 5:06, Festival House Jessop Avenue Cheltenham, Gloucestershire GL50 3SH Cheltenham, Gloucestershire GL50 3SH (GB)