(19)
(11) EP 2 739 570 A1

(12)

(43) Date of publication:
11.06.2014 Bulletin 2014/24

(21) Application number: 12738695.1

(22) Date of filing: 13.07.2012
(51) International Patent Classification (IPC): 
C02F 1/00(2006.01)
(86) International application number:
PCT/US2012/046675
(87) International publication number:
WO 2013/022549 (14.02.2013 Gazette 2013/07)
(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: 05.08.2011 US 201113204294

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

(72) Inventors:
  • FREESE, Robert, P.
    Pittsboro, NC 27312 (US)
  • YEAGER, Valerie, J.
    Marlow, OK 73055 (US)
  • HILLIS, Cory, D.
    Duncan, OK 73533 (US)
  • JONES, Christopher, M.
    Houston, TX 77084 (US)

(74) Representative: Cottrill, Emily Elizabeth Helen 
A.A. Thornton & Co. 235 High Holborn
London WC1V 7LE
London WC1V 7LE (GB)

   


(54) METHODS FOR MONITORING BACTERIA USING OPTICOANALYTICAL DEVICES