(19)
(11) EP 3 475 684 A1

(12)

(43) Date of publication:
01.05.2019 Bulletin 2019/18

(21) Application number: 17820956.5

(22) Date of filing: 22.06.2017
(51) International Patent Classification (IPC): 
G01N 15/14(2006.01)
(86) International application number:
PCT/US2017/038642
(87) International publication number:
WO 2018/005213 (04.01.2018 Gazette 2018/01)
(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: 28.06.2016 US 201615194829
28.06.2016 US 201615194853

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

    FR 
  • Schlumberger Technology B.V.
    2514 JG 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:
  • ARIFIN, Arifin
    Singapore 629986 (SG)
  • XIE, Cheng-Gang
    Singapore 629986 (SG)

(74) Representative: Schlumberger Intellectual Property Department 
Parkstraat 83
2514 JG Den Haag
2514 JG Den Haag (NL)

   


(54) PHASE FRACTION MEASUREMENT USING CONTINUOUSLY AND ADJUSTED LIGHT SOURCE