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(11)

EP 2 823 015 A1

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(43) Date of publication: 14.01.2015 Bulletin 2015/03 (21) Application number: 13706894.6 (22) Date of filing: 19.02.2013

(51) International Patent Classification (IPC):  C09K 8/60(2006.01) C09K 8/86(2006.01) C09K 8/68(2006.01) (86) International application number: PCT/US2013/026684 (87) International publication number: WO 2013/133963 (12.09.2013 Gazette 2013/37)

(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: 07.03.2012 US 201213413811 (71) Applicant: Halliburton Energy Services, Inc. Houston, TX 77072 (US)	(72) Inventors: VAN ZANTEN, Ryan Tomball, TX 77375 (US) TANCHE-LARSEN, Per-Bjarte N-4308 Sandnes (NO) (74) Representative: Hoffmann Eitle  Patent- und Rechtsanwälte PartmbB Arabellastraße 30 81925 München 81925 München (DE)