(19)
(11) EP 1 169 148 A1

(12)

(43) Date of publication:
09.01.2002 Bulletin 2002/02

(21) Application number: 00926862.4

(22) Date of filing: 07.04.2000
(51) International Patent Classification (IPC)7: B21C 37/08, E21B 43/10
(86) International application number:
PCT/EP0003/196
(87) International publication number:
WO 0061/310 (19.10.2000 Gazette 2000/42)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 09.04.1999 US 289927

(71) Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
2596 HR Den Haag (NL)

(72) Inventors:
  • Coon, Robert Joe
    Houston, TX 77060 (US)
  • Frank, Timothy John
    Houston, TX 77079 (US)
  • Lohbeck, Wilhelmus Christianus Maria
    2288 GD Rijswijk (NL)

   


(54) PROCESS FOR THE MANUFACTURE OF A CYLINDRICAL PIPE