(19)
(11) EP 2 422 195 A1

(12)

(43) Date of publication:
29.02.2012 Bulletin 2012/09

(21) Application number: 10723288.6

(22) Date of filing: 22.04.2010
(51) International Patent Classification (IPC): 
G01N 33/28(2006.01)
E21B 49/08(2006.01)
(86) International application number:
PCT/IB2010/000909
(87) International publication number:
WO 2010/122413 (28.10.2010 Gazette 2010/43)
(84) Designated Contracting States:
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 SE SI SK SM TR

(30) Priority: 22.04.2009 US 428454

(71) Applicants:
  • Schlumberger Technology B.V.
    2514 JG The Hague (NL)

    BG CZ DE DK GR HU IE IT LT NO PL RO SI SK TR 
  • Services Pétroliers Schlumberger
    75007 Paris (FR)

    FR 
  • Schlumberger Holdings Limited
    Tortola (VG)

    GB NL 
  • PRAD Research and Development Limited
    Road Town, Tortola (VG)

    AT BE CH CY EE ES FI HR IS LI LU LV MC MK MT PT SE SM 

(72) Inventors:
  • LAWRENCE, Jimmy
    Cambridge MA 02140 (US)
  • ANGELESCU, Dan, E.
    F-93162 Noisy Le Grand Cedex (FR)
  • HARRISON, Christopher
    Auburndale MA 02466 (US)
  • YAMATE, Tsutomu
    Yokohama-shi Kanagawa-ken 224-0001 (JP)
  • SULLIVAN, Matthew, T.
    Westwood MA 02090 (US)
  • SCHROEDER, Robert, J.
    Cambridge MA 02142 (US)
  • VAN HAL, Ronald, E., G.
    Watertown MA 02472 (US)
  • RAGHURAMAN, Bhavani
    Wilton CT 06897 (US)

(74) Representative: Ford, Michael Frederick 
Schlumberger Cambridge Research Limited High Cross Madingley Road
Cambridge CB3 0EL
Cambridge CB3 0EL (GB)

   


(54) DETECTING GAS COMPOUNDS FOR DOWNHOLE FLUID ANALYSIS USING MICROFLUIDICS AND REAGENT WITH OPTICAL SIGNATURE