(19)
(11) EP 2 222 937 A2

(12)

(88) Date of publication A3:
18.06.2009

(43) Date of publication:
01.09.2010 Bulletin 2010/35

(21) Application number: 08843835.3

(22) Date of filing: 23.10.2008
(51) International Patent Classification (IPC): 
E21B 41/00(2006.01)
E21B 44/00(2006.01)
(86) International application number:
PCT/US2008/080849
(87) International publication number:
WO 2009/058635 (07.05.2009 Gazette 2009/19)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 30.10.2007 US 983758 P

(71) Applicant: BP Corporation North America Inc.
Warrenville, IL 60555 (US)

(72) Inventors:
  • EDWARDS, Michael, L.
    Houston TX 77064 (US)
  • GONGORA, Cesar, A.
    Katy TX 77450 (US)
  • IYER, Ganish
    Austin TX 78750 (US)
  • MCGRIFFY, David
    Austin TX 78751 (US)
  • MCNEILL, John
    Austin TX 78749 (US)
  • SHAFER, Donald, F.
    Austin TX 78763 (US)
  • TOLLESON, Chris
    Austin TX 78757 (US)
  • WIGHT, David
    Austin TX 78731 (US)

(74) Representative: Hamer, Christopher K. et al
Mathys & Squire LLP 120 Holborn
London EC1N 2SQ
London EC1N 2SQ (GB)

   


(54) AN INTELLIGENT DRILLING ADVISOR