(19)
(11) EP 1 664 474 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:
19.09.2012 Bulletin 2012/38

(45) Mention of the grant of the patent:
15.08.2012 Bulletin 2012/33

(21) Application number: 04781490.0

(22) Date of filing: 18.08.2004
(51) International Patent Classification (IPC): 
E21B 10/40(2006.01)
 E21B 10/36(2006.01)
(86) International application number:
PCT/US2004/026807
(87) International publication number:
WO 2005/019593 (03.03.2005 Gazette 2005/09)

(54)

DRILLING APPARATUS, METHOD, AND SYSTEM

BOHRVORRICHTUNG, -VERFAHREN UND -SYSTEM

DISPOSITIF, PROCEDE ET SYSTEME POUR LE 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

(30) Priority: 20.08.2003 US 496379 P
17.08.2004 US 919271

(43) Date of publication of application:
07.06.2006 Bulletin 2006/23

(73) Proprietor: Raytheon Company
Waltham, MA 02451-1449 (US)

(72) Inventors:
  • HILL, John L., III,
    Woodbridge, VA 22192 (US)
  • BRENNAN, Michael, A.
    Bristow, VA 20136 (US)
  • SHENHAR, Joram
    Fairfax, VA 22030 (US)
  • KOCH, David
    Fredericksburg, VA 22407 (US)
  • LOMBARDO, Mark, A.
    Arlington, VA 22201-2863 (US)
  • DOLGIN, Benjamin
    Newington, VA 22122 (US)
  • GIRALDO, Luis, B.
    Fairfax, VA 22031 (US)

(74) Representative: Johnstone, Helen Margaret 
Potter Clarkson LLP Park View House 58 The Ropewalk
Nottingham NG1 5DD
Nottingham NG1 5DD (GB)


(56) References cited: : 
EP-A2- 1 277 887
US-A- 4 161 132
US-A- 5 641 027
 CN-U- 2 087 690
US-A- 5 575 593
   
       
    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).