(19)
(11) EP 2 751 379 A2

(12)

(88) Date of publication A3:
11.07.2013

(43) Date of publication:
09.07.2014 Bulletin 2014/28

(21) Application number: 12828545.9

(22) Date of filing: 14.08.2012
(51) International Patent Classification (IPC): 
E21B 21/10(2006.01)
E21B 34/06(2006.01)
(86) International application number:
PCT/US2012/050762
(87) International publication number:
WO 2013/032687 (07.03.2013 Gazette 2013/10)
(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

(30) Priority: 29.08.2011 US 201113219790

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

(72) Inventors:
  • HOWELL, Matthew, T.
    Duncan, OK 73536 (US)
  • FRISBIE, Eric, R.
    Carrollton, TX 75006 (US)
  • FRIPP, Michael, L.
    Carrollton, TX 75006 (US)
  • KYLE, Donald, G.
    Carrollton, TX 75006 (US)
  • TIPS, Timothy, R.
    Spring, TX 77386 (US)

(74) Representative: Bennett, Adrian Robert J. et al
A.A. Thornton & Co. 235 High Holborn
London WC1V 7LE
London WC1V 7LE (GB)

   


(54) INJECTION OF FLUID INTO SELECTED ONES OF MULTIPLE ZONES WITH WELL TOOLS SELECTIVELY RESPONSIVE TO MAGNETIC PATTERNS