(19)
(11) EP 1 264 071 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
13.07.2005 Bulletin 2005/28

(45) Mention of the grant of the patent:
11.05.2005 Bulletin 2005/19

(21) Application number: 01907020.0

(22) Date of filing: 05.02.2001
(51) International Patent Classification (IPC)7: E21B 19/18, E21B 19/00
(86) International application number:
PCT/US2001/003794
(87) International publication number:
WO 2001/059251 (16.08.2001 Gazette 2001/33)

(54)

SNUBBING UNIT DRILLING SYSTEM

BOHRVORRICHTUNG ZUM BOHREN UNTER DRUCK

SYSTEME DE FOREUSE SOUS PRESSION

(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 11.02.2000 US 503129

(43) Date of publication of application:
11.12.2002 Bulletin 2002/50

(73) Proprietor: Rogers, Tommie Louis
Lafayette, LA 70503 (US)

(72) Inventor:
  • Rogers, Tommie Louis
    Lafayette, LA 70503 (US)

(74) Representative: Henderson, Wendy Agnes et al
Fitzpatricks 1 Blythswood Square
Glasgow G2 4AD
Glasgow G2 4AD (GB)


(56) References cited: : 
US-A- 3 799 009
US-A- 4 567 952
US-A- 5 664 310
US-A- 5 746 276
 US-A- 4 147 215
US-A- 4 974 686
US-A- 5 702 139
US-A- 6 158 516
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).