(19)
(11) EP 1 392 953 A1

(12)

(43) Date of publication:
03.03.2004 Bulletin 2004/10

(21) Application number: 02736875.2

(22) Date of filing: 15.05.2002
(51) International Patent Classification (IPC)7E21B 23/06
(86) International application number:
PCT/US2002/015445
(87) International publication number:
WO 2002/097234 (05.12.2002 Gazette 2002/49)
(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: 18.05.2001 US 292049 P
31.08.2001 US 316459 P
31.08.2001 US 943854
31.08.2001 US 943701
31.08.2001 US 316572 P
17.10.2001 US 981487
19.10.2001 US 83320
04.12.2001 US 4945
04.12.2001 US 4588
02.05.2002 US 136969
02.05.2002 US 136992

(71) Applicant: Dril-Quip, Inc.
Houston,Texas 77040 (US)

(72) Inventors:
  • YOKLEY, John, M.
    Kingwood, TX 77339 (US)
  • REIMERT, Larry, E.
    Houston, TX 77024 (US)

(74) Representative: Frankland, Nigel Howard 
FORRESTER & BOEHMERTPettenkoferstrasse 20-22
80336 München
80336 München (DE)

   


(54) LINE HANGER, RUNNING TOOL AND METHOD