(19)
(11) EP 2 948 681 A1

(12)

(43) Date of publication:
02.12.2015 Bulletin 2015/49

(21) Application number: 14742820.5

(22) Date of filing: 28.01.2014
(51) International Patent Classification (IPC): 
F04D 29/08(2006.01)
F04D 13/08(2006.01)
(86) International application number:
PCT/US2014/013296
(87) International publication number:
WO 2014/117123 (31.07.2014 Gazette 2014/31)
(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: 28.01.2013 US 201361757335 P
26.01.2014 US 201414164205

(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:
  • WATSON, Arthur I.
    Sugar Land, Texas 77479 (US)
  • SUWONO, Boyle
    Jurong 643652 (SG)
  • KEE BUCK TONG, Bernard
    Johor Bahru Johor 81100 (MY)
  • FEATHERBY, Christopher E.
    Bartlesville, Oklahoma 74006 (US)
  • ESLINGER, David Milton
    Collinsville, Oklahoma 74021 (US)

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

   


(54) SEALS FOR ELECTRIC SUBMERSIBLE PUMP