(19)
(11) EP 2 358 974 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:
25.01.2017 Bulletin 2017/04

(45) Mention of the grant of the patent:
12.10.2016 Bulletin 2016/41

(21) Application number: 09827881.5

(22) Date of filing: 20.11.2009
(51) International Patent Classification (IPC): 
E21B 29/00(2006.01)
E21B 43/00(2006.01)
E21C 41/16(2006.01)
 E21B 21/12(2006.01)
E21B 43/29(2006.01)
E21C 45/00(2006.01)
(86) International application number:
PCT/US2009/006215
(87) International publication number:
WO 2010/059228 (27.05.2010 Gazette 2010/21)

(54)

SYSTEMS AND METHODS FOR OPERATING A PLURALITY OF WELLS THROUGH A SINGLE BORE

SYSTEME UND VERFAHREN FÜR DEN BETRIEB MEHRERER BOHRLÖCHER ÜBER EINE EINZELBOHRUNG

SYSTÈMES ET PROCÉDÉS POUR EXPLOITER UNE PLURALITÉ DE PUITS À TRAVERS UN FORAGE UNIQUE

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR 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: 23.06.2009 GB 0910777
06.10.2009 US 587360
11.02.2009 GB 0902198
21.11.2008 GB 0821352
19.11.2009 GB 0920214

(43) Date of publication of application:
24.08.2011 Bulletin 2011/34

(73) Proprietor: Tunget, Bruce A.
Westhill AB326QN (GB)

(72) Inventor:
  • Tunget, Bruce A.
    Westhill AB326QN (GB)

(74) Representative: Johnson, Yvonne Catherine 
Barker Brettell LLP 100 Hagley Road
Edgbaston Birmingham B16 8QQ
Edgbaston Birmingham B16 8QQ (GB)


(56) References cited: : 
US-A- 4 573 541
US-A1- 2002 053 437
US-B2- 7 201 229
US-E1- R E40 067
 US-A- 4 573 541
US-A1- 2002 053 437
US-B2- 7 201 229
US-E1- R E40 067
   
       
    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).