(19)

(11)

EP 4 158 150 A1

(12)

(43) Date of publication: 05.04.2023 Bulletin 2023/14 (21) Application number: 21817202.1 (22) Date of filing: 30.03.2021

(51) International Patent Classification (IPC):  E21B 34/06(2006.01) E21B 34/14(2006.01) (52) Cooperative Patent Classification (CPC): E21B 47/24; E21B 2200/06 (86) International application number: PCT/US2021/024762 (87) International publication number: WO 2021/247127 (09.12.2021 Gazette 2021/49)

(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: 01.06.2020 US 202016889063 (71) Applicant: BAKER HUGHES HOLDINGS LLC Houston, TX 77073 (US)	(72) Inventors: GREEN, Ryan Damont Houston, Texas 77073 (US) TEGLER, Sebastian Houston, Texas 77073 (US) PETER, Andreas Houston, Texas 77073 (US) KRUSPE, Thomas Houston, Texas 77073 (US) (74) Representative: Dehns  St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)