(19)
(11) EP 1 383 985 A1

(12)

(43) Date of publication:
28.01.2004 Bulletin 2004/05

(21) Application number: 02718397.9

(22) Date of filing: 26.04.2002
(51) International Patent Classification (IPC)7E21B 43/017, E21B 43/36, E21B 34/04
(86) International application number:
PCT/GB2002/001924
(87) International publication number:
WO 2002/088519 (07.11.2002 Gazette 2002/45)
(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: 27.04.2001 GB 0110398

(71) Applicant: Alpha Thames Limited
Upminster,Essex RM14 2SU (GB)

(72) Inventors:
  • APPLEFORD, David, Eric
    Epping, Essex CM16 7JD (GB)
  • LANE, Brian, William
    Canvey Island, Essex SS8 8NF (GB)
  • SMITH, Ronald, Geoffrey, William
    Stevenage, Hertfordshire SG27DS (GB)

(74) Representative: Johnstone, Douglas Ian et al
Baron & Warren,19 South End
Kensington,London W8 5BU
Kensington,London W8 5BU (GB)

   


(54) WELLHEAD PRODUCT TESTING SYSTEM