(19)
(11) EP 2 516 580 A2

(12)

(88) Date of publication A3:
29.12.2011

(43) Date of publication:
31.10.2012 Bulletin 2012/44

(21) Application number: 11736692.2

(22) Date of filing: 26.01.2011
(51) International Patent Classification (IPC): 
C09K 8/52(2006.01)
C09K 8/536(2006.01)
(86) International application number:
PCT/IB2011/050345
(87) International publication number:
WO 2011/092637 (04.08.2011 Gazette 2011/31)
(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: 17.12.2010 US 971927
01.02.2010 US 300203 P

(71) Applicants:
  • Services Pétroliers Schlumberger
    75007 Paris (FR)

    FR 
  • Schlumberger Holdings Limited
    Tortola (VG)

    GB NL 
  • Schlumberger Technology B.V.
    2514 JG The Hague (NL)

    AL BG CZ DE DK GR HU IE IT LT NO PL RO SI SK TR 
  • PRAD Research and Development Limited
    Road Town, Tortola (VG)

    AT BE CH CY EE ES FI HR IS LI LU LV MC MK MT PT RS SE SM 

(72) Inventors:
  • GURMEN, M. Nihat
    Grand Junction, Colorado 81507 (US)
  • KALININ, Daniel
    Al-Khobar 31952 (SA)
  • HELLMAN, Ryan
    Bakersfield, California 93309 (US)
  • BUSTOS, Oscar
    Trophy Club, Texas 76262 (US)
  • BROWN, J. Ernest
    Fort Collins, Colorado 80525 (US)
  • FULLER, Michael J.
    Houston, Texas 77070 (US)
  • TENG, Ling Kong
    Johor 85100 (MY)

(74) Representative: Fortt, Simon Merton et al
Schlumberger Cambridge Research Ltd IPL High Cross, Madingley Road
Cambridge, Cambridgeshire CB3 0EL
Cambridge, Cambridgeshire CB3 0EL (GB)

   


(54) USE OF REACTIVE SOLIDS AND FIBERS IN WELLBORE CLEAN-OUT AND STIMULATION APPLICATIONS