(19)

(11)

EP 4 453 375 A1

(12)

(43) Date of publication: 30.10.2024 Bulletin 2024/44 (21) Application number: 22938724.6 (22) Date of filing: 22.04.2022

(51) International Patent Classification (IPC):  E21B 33/128(2006.01) E21B 34/14(2006.01) E21B 33/127(2006.01) E21B 23/04(2006.01) (52) Cooperative Patent Classification (CPC): E21B 33/1208 (86) International application number: PCT/US2022/071851 (87) International publication number: WO 2023/204869 (26.10.2023 Gazette 2023/43)

(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: 20.04.2022 US 202217659884 (71) Applicant: Halliburton Energy Services, Inc. Houston, TX 77032 (US)	(72) Inventors: FRIPP, Michael Linley Singapore 637131 (SG) JUHARI, Muhammad Nur Adli Singapore 637131 (SG) THATATHIL, Sandeep Singapore 637131 (SG) (74) Representative: Paulraj, Leonita Theresa et al AA Thornton IP LLP 8th Floor, 125 Old Broad Street London EC2N 1AR London EC2N 1AR (GB)