(19)
(11) EP 1 577 488 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:
18.02.2009 Bulletin 2009/08

(45) Mention of the grant of the patent:
18.07.2007 Bulletin 2007/29

(21) Application number: 04290744.4

(22) Date of filing: 18.03.2004
(51) International Patent Classification (IPC): 
E21B 47/08(2006.01)

(54)

Borehole tool

Bohrlochvorrichtung

Outil de puits de forage

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

(43) Date of publication of application:
21.09.2005 Bulletin 2005/38

(73) Proprietors:
  • SERVICES PETROLIERS SCHLUMBERGER
    75007 Paris (FR)
    Designated Contracting States:
    FR 
  • SCHLUMBERGER HOLDINGS LIMITED
    Road Town, Tortola (VG)
    Designated Contracting States:
    GB NL 
  • SCHLUMBERGER TECHNOLOGY B.V.
    2514 JG Den Haag (NL)
    Designated Contracting States:
    AT BE BG CH CY CZ DE DK EE ES FI GR HU IE IT LI LU MC PL PT RO SE SI SK TR 

(72) Inventor:
  • Lüling, Martin
    75017 Paris (FR)

(74) Representative: Hyden, Martin Douglas 
Rouse Patents 1st Floor 228-240 Banbury Road
Oxford Oxfordshire OX2 7BY
Oxford Oxfordshire OX2 7BY (GB)


(56) References cited: : 
WO-A-02/101194
US-A- 5 631 562
 US-A- 4 862 090
   
       
    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).