(19)
(11)EP 1 278 935 A1

(12)

(43)Date of publication:
29.01.2003 Bulletin 2003/05

(21)Application number: 01920763.8

(22)Date of filing:  22.03.2001
(51)International Patent Classification (IPC)7E21B 33/043, E21B 33/04
(86)International application number:
PCT/US0109/606
(87)International publication number:
WO 0107/3257 (04.10.2001 Gazette  2001/40)
(84)Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30)Priority: 24.03.2000 US 192124 P
12.02.2001 US 268329 P

(71)Applicant: FMC CORPORATION
ChicagoIllinois 60601 (US)

(72)Inventors:
  • BARTLETT, Christopher, D.
    Spring, TX 77388 (US)
  • CUNNINGHAM, Christopher, E.
    Spring, TX 77388 (US)
  • KENT, Richard, D.
    Newburgh, Fife KY14 6ER (GB)
  • GATHERAR, Nicholas
    Midlothian EH14 5EE (GB)
  • HARROLD, David
    Houston, TX 77066 (US)

(74)Representative: Hammler, Martin Franz et al
Phillips & Leigh5 Pemberton Row
London EC4A 3BA
London EC4A 3BA (GB)

  


(54)TUBING HEAD SEAL ASSEMBLY