(19)
(11) EP 2 847 719 A1

(12)

(43) Date of publication:
18.03.2015 Bulletin 2015/12

(21) Application number: 12726267.3

(22) Date of filing: 09.05.2012
(51) International Patent Classification (IPC): 
G06Q 10/06(2012.01)
(86) International application number:
PCT/US2012/037051
(87) International publication number:
WO 2013/169239 (14.11.2013 Gazette 2013/46)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(71) Applicants:
  • BP Corporation North America Inc.
    Houston, TX 77079 (US)
  • BP Exploration Operating Company Limited
    Sunbury on Thames, Middlesex TW16 7BP (GB)

(72) Inventors:
  • BAILEY, Richard
    Naperville, IL 60563 (US)
  • ZIEGEL, Eric
    Naperville, IL 60563 (US)
  • SPRAGUE, Kip
    Naperville, IL 60563 (US)

(74) Representative: Hamer, Christopher K. 
Mathys & Squire LLP
The Shard 32 London Bridge Street London SE1 9SG
The Shard 32 London Bridge Street London SE1 9SG (GB)

   


(54) USE OF SURVIVAL MODELING METHODS WITH PIPELINE INSPECTION DATA FOR DETERMINING CAUSAL FACTORS FOR CORROSION UNDER INSULATION