(19)
(11) EP 2 861 819 A1

(12)

(43) Date of publication:
22.04.2015 Bulletin 2015/17

(21) Application number: 13724131.1

(22) Date of filing: 10.05.2013
(51) International Patent Classification (IPC): 
E21B 43/04(2006.01)
C09K 8/514(2006.01)
(86) International application number:
PCT/US2013/040475
(87) International publication number:
WO 2013/191815 (27.12.2013 Gazette 2013/52)
(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: 19.06.2012 US 201213527367

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

(72) Inventors:
  • GEORGE, Shoy, C
    Kodakara 680684 Thrissur (IN)
  • SALGAONKAR, Lalit, P
    Kothrud 411038 Pune (IN)
  • PATIL, Prajakta, Ratnakar
    Kothrud 411038 Rune (IN)

(74) Representative: Ono, Shusuke 
A.A. Thornton & Co. 10 Old Bailey
London EC4M 7NG
London EC4M 7NG (GB)

   


(54) BREAKING DIUTAN WITH METAL ACTIVATOR DOWN TO 140 °F OR LOWER