(19)
(11) EP 2 297 428 A1

(12)

(43) Date of publication:
23.03.2011 Bulletin 2011/12

(21) Application number: 09743724.8

(22) Date of filing: 08.05.2009
(51) International Patent Classification (IPC): 
E21B 43/22(2006.01)
C09K 8/588(2006.01)
(86) International application number:
PCT/US2009/043226
(87) International publication number:
WO 2009/137738 (12.11.2009 Gazette 2009/46)
(84) Designated Contracting States:
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 SE SI SK TR
Designated Extension States:
AL BA RS

(30) Priority: 09.05.2008 US 51970 P

(71) Applicant: M.I L.L, C.
Houston, TX 77072 (US)

(72) Inventors:
  • METTATH, Sashikumar
    Houston, TX 77082 (US)
  • PATEL, Arvind, D.
    Sugar Land, TX 77478 (US)
  • STAMATAKIS, Emanuel
    Houston, TX 77077 (US)
  • YOUNG, Steven
    Cypress, TX 77429 (US)

(74) Representative: Giovannini, Francesca et al
Osha Liang 32, avenue de l'Opéra
75002 Paris
75002 Paris (FR)

   


(54) METHOD OF REMEDIATING BIT BALLING USING OXIDIZING AGENTS