(19)

(11)

EP 4 824 386 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24833227.2 (22) Date of filing: 12.12.2024

(51) International Patent Classification (IPC):  E21B 34/00(2006.01) E21B 43/12(2006.01) (52) Cooperative Patent Classification (CPC): E21B 43/12; E21B 34/00 (86) International application number: PCT/EP2024/085900 (87) International publication number: WO 2025/125414 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 14.12.2023 EP 23216778 (71) Applicant: Inflowcontrol AS 3920 Porsgrunn (NO)	(72) Inventor: NOMME, Christian 3931 Porsgrunn (NO) (74) Representative: Acapo Onsagers AS  Edvard Griegs vei 1 5059 Bergen 5059 Bergen (NO)