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(11)

EP 3 417 143 A1

(12)

(43) Date of publication: 26.12.2018 Bulletin 2018/52 (21) Application number: 17753921.0 (22) Date of filing: 17.02.2017

(51) International Patent Classification (IPC):  E21B 43/11(2006.01) E21B 43/117(2006.01) E21B 43/116(2006.01) (86) International application number: PCT/US2017/018357 (87) International publication number: WO 2017/143181 (24.08.2017 Gazette 2017/34)

(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: MA MD (30) Priority: 17.02.2016 US 201662296308 P (71) Applicant: Baker Hughes, a GE company, LLC Houston, TX 77073 (US)	(72) Inventors: GILLIAT, James Spring Texas 77382 (US) SATTI, Rajani Spring Texas 77386 (US) ZUKLIC, Stephen Humble Texas 77346 (US) NELSON, Scott Cypress Texas 77433 (US) FLORES, Juan The Woodlands Texas 77382 (US) BRANNON, Harold Magnolia Texas 77354 (US) (74) Representative: Dehns  St. Brides House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)