(19)
(11) EP 1 740 795 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
23.03.2011 Bulletin 2011/12

(45) Mention of the grant of the patent:
03.11.2010 Bulletin 2010/44

(21) Application number: 05718111.7

(22) Date of filing: 17.03.2005
(51) International Patent Classification (IPC): 
E21B 33/138(2006.01)
(86) International application number:
PCT/GB2005/001131
(87) International publication number:
WO 2005/090745 (29.09.2005 Gazette 2005/39)

(54)

MULTIZONE STIMULATION USING WAX BALLS

WACHSKUGELN VERWENDENDE MEHRZONENSTIMULATION

STIMULATION MULTIZONE AU MOYEN DE BALLES DE CIRE

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

(30) Priority: 18.03.2004 GB 0406123

(43) Date of publication of application:
10.01.2007 Bulletin 2007/02

(73) Proprietors:
  • Marcantonio, Vincent
    Great Yarmouth Norfolk NR30 5SW (GB)
  • Marcantonio, Matthew
    Great Yarmouth Norfolk NR30 5SW (GB)

(72) Inventors:
  • Marcantonio, Vincent
    Great Yarmouth Norfolk NR30 5SW (GB)
  • Marcantonio, Matthew
    Great Yarmouth Norfolk NR30 5SW (GB)

(74) Representative: ip21 Ltd 
Central Formalities Department Norwich Research Park
Colney Norwich NR4 7UT
Colney Norwich NR4 7UT (GB)


(56) References cited: : 
FR-A- 2 122 311
US-A- 3 480 079
 US-A- 2 728 395
US-B1- 6 380 138
   
  • JORDAN ET AL: "Wax-diverter technology for squeeze treatments" SPE PROD. & FACILITIES, vol. 14, no. 4, 28 September 1999 (1999-09-28), - 30 September 1999 (1999-09-30) pages 246-252, NEW ORLEANS
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).