(19)
(11) EP 2 235 320 A1

(12)

(43) Date of publication:
06.10.2010 Bulletin 2010/40

(21) Application number: 08793994.8

(22) Date of filing: 31.01.2008
(51) International Patent Classification (IPC): 
E21B 43/26(2006.01)
(86) International application number:
PCT/RU2008/000051
(87) International publication number:
WO 2009/096805 (06.08.2009 Gazette 2009/32)
(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 MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(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)

    BG CZ DE DK GR HU IE IT LT NO PL RO SI SK TR 
  • PRAD Research and Development N.V.
    Willemstad, Curacao (AN)

(72) Inventors:
  • MEDVEDEV, Oleg Olegovich
    Odessa 65036 (UA)
  • MEDVEDEV, Anatoly Vladimirovich
    Moscow 117588 (RU)

(74) Representative: Ilgart, Jean-Christophe 
BREVALEX 3, rue du Docteur Lancereaux
75008 Paris
75008 Paris (FR)

   


(54) METHOD OF HYDRAULIC FRACTURING OF HORIZONTAL WELLS, RESULTING IN INCREASED PRODUCTION