(19)

(11)

EP 2 794 808 A1

(12)

(43) Date of publication: 29.10.2014 Bulletin 2014/44 (21) Application number: 11805561.5 (22) Date of filing: 21.12.2011

(51) International Patent Classification (IPC):  C09K 8/10(2006.01) C08L 1/28(2006.01) (86) International application number: PCT/GB2011/001750 (87) International publication number: WO 2013/093388 (27.06.2013 Gazette 2013/26)

(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 (71) Applicant: Halliburton Energy Services, Inc. Houston, TX 77072 (US)	(72) Inventors: EZELL, Ryan G. Spring - Texas 77386 (US) PARTAIN, Emmett M. Bound Brook, NJ 08805 (US) (74) Representative: Turner, Craig Robert  A.A. Thornton & Co. 10 Old Bailey London EC4M 7NG London EC4M 7NG (GB)