(19)
(11) EP 1 639 229 A1

(12)

(43) Date of publication:
29.03.2006 Bulletin 2006/13

(21) Application number: 04743112.7

(22) Date of filing: 28.06.2004
(51) International Patent Classification (IPC): 
E21B 43/10(1968.09)
E21B 41/00(1968.09)
E21B 29/10(1980.01)
(86) International application number:
PCT/GB2004/002763
(87) International publication number:
WO 2005/003511 (13.01.2005 Gazette 2005/02)
(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: 30.06.2003 GB 0315251

(71) Applicants:
  • BP EXPLORATION OPERATING COMPANY LIMITED
    Sunbury-on-Thames, Middlesex TW16 7BP (GB)
  • XL Technology, Ltd
    Ascot, Berks SL5 7NT (GB)

(72) Inventors:
  • HEAD, Philip
    Virginia Water, Surrey GU25 4PW (GB)
  • LURIE, Paul George
    East Horsley, Surrey KT24 6AF (GB)

(74) Representative: Hymers, Ronald Robson 
BP INTERNATIONAL LIMITED Patents Division Chertsey Road
Sunbury-on-Thames Middlesex, TW16 7LN
Sunbury-on-Thames Middlesex, TW16 7LN (GB)

   


(54) APPARATUS AND METHOD FOR SEALING A WELLBORE