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(11)

EP 3 317 785 A1

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(43) Date of publication: 09.05.2018 Bulletin 2018/19 (21) Application number: 16818860.5 (22) Date of filing: 01.07.2016

(51) International Patent Classification (IPC):  G06F 17/50(2006.01) E21B 41/00(2006.01) (86) International application number: PCT/US2016/040605 (87) International publication number: WO 2017/004476 (05.01.2017 Gazette 2017/01)

(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: 01.07.2015 US 201562187399 P 01.07.2015 US 201562187403 P 01.07.2015 US 201562187313 P 01.07.2015 US 201562187319 P (71) Applicants: Services Pétroliers Schlumberger 75007 Paris (FR) FR  Geoquest Systems B.V. 2586 BJ The Hague (NL) AL AT BE BG CH CY CZ DE DK EE ES FI 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

(72) Inventors: SAIER, David Oxford Oxfordshire OX28HX (GB) SCHMIDT, Kurt Andreas George Juxon St. Oxford Oxfordshire OX2 6DU (GB) (74) Representative: Schlumberger Cambridge Research Limited  High Cross Madingley Road Cambridge CB3 0EL Cambridge CB3 0EL (GB)