(19)
(11) EP 1 362 159 A1

(12)

(43) Date of publication:
19.11.2003 Bulletin 2003/47

(21) Application number: 01911022.0

(22) Date of filing: 21.02.2001
(51) International Patent Classification (IPC)7E21B 17/14
(86) International application number:
PCT/US0105/464
(87) International publication number:
WO 0206/8790 (06.09.2002 Gazette 2002/36)
(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

(71) Applicants:
  • Frank's International, Inc.
    Houston, TX 77079 (US)
  • Mosing, Donald
    Lafayette, LA 70403 (US)
  • Sipos, David L.
    Youngsville, LA 70592 (US)

(72) Inventors:
  • MOSING, Donald, E.
    Lafayette, LA 70403 (US)
  • SIPOS, David, L.
    Youngsville, LA 70592 (US)

(74) Representative: Allan, James Stewart et al
Murgitroyd & Company165-169 Scotland Street
Glasgow G5 8PL
Glasgow G5 8PL (GB)

   


(54) SHOE WITH EARTH FORMATION DISIPLACING STRUCTURE