(19)
(11) EP 2 236 736 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:
14.02.2018 Bulletin 2018/07

(45) Mention of the grant of the patent:
13.12.2017 Bulletin 2017/50

(21) Application number: 09290230.3

(22) Date of filing: 30.03.2009
(51) International Patent Classification (IPC): 
E21B 17/00(2006.01)
 E21B 17/02(2006.01)

(54)

Wired drill pipe

Verdrahtetes Bohrungsrohr

Tige de forage câblée

(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 TR

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

(73) Proprietor: Vallourec Drilling Products France
58200 Cosne Cours sur Loire (FR)

(72) Inventors:
  • Leveau, Gérard
    27410 Saint Aibin le Guichard (FR)
  • Roussie, Gabriel
    59300 Valenciennes (FR)
  • David, Didier
    59530 Ruesnes (FR)

(74) Representative: Plaçais, Jean Yves 
Cabinet Netter 36, avenue Hoche
75008 Paris
75008 Paris (FR)


(56) References cited: : 
US-A- 4 095 865
US-A1- 2005 092 499
 US-A1- 2004 244 964
US-A1- 2006 225 926
   
       
    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).