(19)
(11) EP 2 125 997 A2

(12)

(88) Date of publication A3:
30.10.2008

(43) Date of publication:
02.12.2009 Bulletin 2009/49

(21) Application number: 08728893.2

(22) Date of filing: 04.02.2008
(51) International Patent Classification (IPC): 
C10G 9/16(2006.01)
C10G 75/04(2006.01)
(86) International application number:
PCT/US2008/052881
(87) International publication number:
WO 2008/097881 (14.08.2008 Gazette 2008/33)
(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

(30) Priority: 06.02.2007 US 888466 P
01.02.2008 US 24251

(71) Applicant: BAKER HUGHES INCORPORATED
Houston, TX 77019-2118 (US)

(72) Inventors:
  • RESPINI, Marco
    I-26020 Casalmorano (IT)
  • MADEDDU, Enrico
    I-09100 Cagliari (IT)

(74) Representative: Beacham, Annabel Rose 
Frank B. Dehn & Co. St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) METHOD FOR REDUCING QUENCH OIL FOULING IN CRACKING