(19)
(11) EP 0 907 822 A1

(12)

(43) Date of publication:
14.04.1999 Bulletin 1999/15

(21) Application number: 97930490.0

(22) Date of filing: 30.06.1997
(51) International Patent Classification (IPC): 
B21D 39/ 20( . )
E21B 17/ 00( . )
E21B 29/ 10( . )
 C21D 7/ 12( . )
E21B 23/ 04( . )
E21B 43/ 10( . )
(86) International application number:
PCT/EP1997/003489
(87) International publication number:
WO 1998/000626 (08.01.1998 Gazette 1998/01)
(84) Designated Contracting States:
DE DK FR GB IT NL

(30) Priority: 01.07.1996 EP 19960201809

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

(72) Inventors:
  • DONNELLY, Martin
    NL-1031 CM Amsterdam (NL)
  • FAURE, Alban, Michel
    NL-2288 GD Rijswijk (NL)
  • MARKETZ, Franz
    NL-2288 GD Rijswijk (NL)
  • STEWART, Robert, Bruce
    NL-2288 GD Rijswijk (NL)
  • LOHBECK, Wilhelmus, Christianus, Maria
    NL-2288 GD Rijswijk (NL)

   


(54) METHOD FOR EXPANDING A STEEL TUBING AND WELL WITH SUCH AS TUBING