(19)
(11) EP 2 379 670 A1

(12)

(43) Date of publication:
26.10.2011 Bulletin 2011/43

(21) Application number: 10707438.7

(22) Date of filing: 22.01.2010
(51) International Patent Classification (IPC): 
C09K 8/56(2006.01)
E21B 43/02(2006.01)
C09K 8/575(2006.01)
(86) International application number:
PCT/EP2010/000379
(87) International publication number:
WO 2010/084009 (29.07.2010 Gazette 2010/30)
(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 SM TR

(30) Priority: 22.01.2009 US 146386 P

(71) Applicant: Weatherford/Lamb, Inc.
Houston, TX 77027 (US)

(72) Inventors:
  • PETEGEM, Ronald, Van
    Montgomery TX 77356 (US)
  • KAKADJIAN, Sarkis, R
    San Antonio TX 78251 (US)
  • ZAMORA, Frank
    San Antonio TX 78232 (US)

(74) Representative: Shanks, Andrew et al
Marks & Clerk LLP Aurora 120 Bothwell Street
Glasgow G2 7JS
Glasgow G2 7JS (GB)

   


(54) A METHOD AND SYSTEM USING ZETA POTENTIAL ALTERING COMPOSITIONS AS AGGREGATING REAGENTS FOR SAND CONTROL