(19)

(11)

EP 3 850 615 A1

(12)

(43) Date of publication: 21.07.2021 Bulletin 2021/29 (21) Application number: 19859064.8 (22) Date of filing: 13.09.2019

(51) International Patent Classification (IPC):  G10K 11/16(2006.01) G10K 11/172(2006.01) G10K 11/36(2006.01) G10K 11/162(2006.01) G10K 11/30(2006.01) (86) International application number: PCT/US2019/051127 (87) International publication number: WO 2020/056337 (19.03.2020 Gazette 2020/12)

(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: 15.09.2018 US 201816132402 (71) Applicant: Baker Hughes Holdings LLC Houston, TX 77073 (US)	(72) Inventor: SWETT, Dwight, W. Houston, TX 77044 (US) (74) Representative: Dehns  St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)