(19)

(11)

EP 4 251 966 A1

(12)

(43) Date of publication: 04.10.2023 Bulletin 2023/40 (21) Application number: 21898768.3 (22) Date of filing: 24.11.2021

(51) International Patent Classification (IPC):  G01M 99/00(2011.01) G08B 21/18(2006.01) G06Q 50/10(2012.01) (52) Cooperative Patent Classification (CPC): G05B 23/0235 (86) International application number: PCT/MY2021/050106 (87) International publication number: WO 2022/114948 (02.06.2022 Gazette 2022/22)

(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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 25.11.2020 MY PI2020006225 (71) Applicant: Petroliam Nasional Berhad (Petronas) 50088 Kuala Lumpur (MY)	(72) Inventors: ABD RAHMAN SABRI, Harris Bin Selangor, 68000 (MY) MUSTAFA, Musreen Azwan B Selangor, 43000 (MY) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)