(19)
(11) EP 2 948 626 A1

(12)

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

(21) Application number: 14742955.9

(22) Date of filing: 08.01.2014
(51) International Patent Classification (IPC): 
E21B 47/135(2012.01)
E21B 47/14(2006.01)
(86) International application number:
PCT/US2014/010717
(87) International publication number:
WO 2014/116427 (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: 24.01.2013 US 201313748764

(71) Applicant: Halliburton Energy Services, Inc.
Houston, TX 77072 (US)

(72) Inventors:
  • SKINNER, Neal, G.
    Carrollton, TX 75006 (US)
  • SAMSON, Etienne, M.
    Houston, TX 77064 (US)
  • MAIDA, Jr., John, L.
    Houston, TX 77064 (US)
  • STOKELY, Christopher, L.
    Houston, TX 77064 (US)
  • BARFOOT, David, A.
    Houston, TX 77064 (US)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)

   


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