(19)
(11) EP 2 978 933 A1

(12)

(43) Date of publication:
03.02.2016 Bulletin 2016/05

(21) Application number: 14772935.4

(22) Date of filing: 24.03.2014
(51) International Patent Classification (IPC): 
E21B 47/022(2012.01)
E21B 47/001(2012.01)
(86) International application number:
PCT/US2014/031546
(87) International publication number:
WO 2014/160629 (02.10.2014 Gazette 2014/40)
(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

(30) Priority: 28.03.2013 US 201361806356 P

(71) Applicants:
  • Services Pétroliers Schlumberger
    75007 Paris (FR)

    FR 
  • Schlumberger Holdings Limited
    Road Town, Tortola 1110 (VG)

    GB NL 
  • Schlumberger Technology B.V.
    2514 JG The Hague (NL)

    AL AT BE BG CH CY CZ DE DK EE ES FI GR HR HU IE IS IT LI LT LU LV MC MK MT NO PL PT RO RS SE SI SK SM TR 

(72) Inventors:
  • AKLESTAD, Darren Lee
    Katy, Texas 77450 (US)
  • CHAPMAN, Clinton D.
    Missouri City, Texas 77459 (US)
  • WONG, Richard V.C.
    Houston, Texas 77055 (US)
  • YU, Han
    Sugar Land, Texas 77479 (US)
  • PHILLIPS, Wayne J.
    Houston, Texas 77035 (US)
  • MORLEY, Jan
    Houston, Texas 77042 (US)
  • HANSEN, Randolph R.
    Sugar Land, Texas 77479 (US)
  • LOWDON, Ross
    Aberdeen Aberdeenshire AB10 6RJ (GB)

(74) Representative: Schlumberger Cambridge Research Limited 
Intellectual Property Law High Cross Madingley Road
Cambridge CB3 0EL
Cambridge CB3 0EL (GB)

   


(54) AUTOMATIC WELLBORE SURVEY EVALUATION