(19)
(11) EP 2 909 430 A1

(12)

(43) Date of publication:
26.08.2015 Bulletin 2015/35

(21) Application number: 12890261.6

(22) Date of filing: 21.12.2012
(51) International Patent Classification (IPC): 
E21B 34/10(2006.01)
E21B 43/12(2006.01)
(86) International application number:
PCT/US2012/071157
(87) International publication number:
WO 2014/098883 (26.06.2014 Gazette 2014/26)
(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

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

(72) Inventors:
  • FRIPP, Michael Linley
    Carrollton, Texas 75007 (US)
  • HOLDERMAN, Luke William
    Plano, Texas 75023 (US)
  • LOPEZ, Jean-Marc
    Plano, Texas 75025 (US)
  • ZHAO, Liang
    Plano, Texas 75025 (US)

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

   


(54) LIQUID VALVE FOR FLOW CONTROL DEVICES