(19)
(11) EP 2 212 507 A1

(12)

(43) Date of publication:
04.08.2010 Bulletin 2010/31

(21) Application number: 08843233.1

(22) Date of filing: 23.10.2008
(51) International Patent Classification (IPC): 
E21B 10/04(2006.01)
E21B 49/00(2006.01)
(86) International application number:
PCT/US2008/080866
(87) International publication number:
WO 2009/055523 (30.04.2009 Gazette 2009/18)
(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 MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 24.10.2007 US 877858

(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 
  • PRAD Research And Development Limited
    Road Town, Tortola (VG)
  • Services Pétroliers Schlumberger
    75007 Paris (FR)

    FR 
  • Schlumberger Holdings Limited
    Roadtown, Tortola (VG)

    GB NL 

(72) Inventors:
  • UTTER, Robert
    Sugar Land TX 77479 (US)
  • JOHNSTON, Lucian
    Sugar Land TX 77479 (US)
  • CODAZZI, Daniel
    F-91190 Gif Sur Yvette (FR)
  • REZGUI, Fadhel
    F-92320 Chatillon (FR)

(74) Representative: Stoole, Brian David et al
Schlumberger Fiber Optics Technology Center Unit 7 The Quadrangle, Premier Way Abbey Park Industrial Estate
Romsey SO51 9DL
Romsey SO51 9DL (GB)

   


(54) METHOD AND APPARATUS FOR CONTINUOUS FORMATION SAMPLING AND ANALYSIS DURING WELLBORE DRILLING