(19)
(11) EP 2 971 461 A2

(12)

(88) Date of publication A3:
26.03.2015

(43) Date of publication:
20.01.2016 Bulletin 2016/03

(21) Application number: 14716126.9

(22) Date of filing: 11.03.2014
(51) International Patent Classification (IPC): 
E21B 29/00(2006.01)
E21B 23/00(2006.01)
(86) International application number:
PCT/US2014/023492
(87) International publication number:
WO 2014/150524 (25.09.2014 Gazette 2014/39)
(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: 15.03.2013 US 201313837667

(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) Inventor:
  • HEKELAAR, Stephen
    Spring, Texas 77373 (US)

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

   


(54) MULTI-CYCLE PIPE CUTTER AND RELATED METHODS