(19)
(11) EP 2 004 952 A2

(12)

(88) Date of publication A3:
30.10.2008

(43) Date of publication:
24.12.2008 Bulletin 2008/52

(21) Application number: 07716256.8

(22) Date of filing: 04.01.2007
(51) International Patent Classification (IPC): 
E21B 33/12(2006.01)
(86) International application number:
PCT/US2007/000097
(87) International publication number:
WO 2007/094897 (23.08.2007 Gazette 2007/34)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 10.02.2006 US 772087 P

(71) Applicant: ExxonMobil Upstream Research Company
Houston TX 77098-2189 (US)

(72) Inventors:
  • YEAGER, Donald, L.
    Sugar Land, TX 77479 (US)
  • BUNNELL, Franz, D.
    The Woodlands, TX 77381 (US)
  • CLINGMAN, Scott, R.
    Houston, TX 77030 (US)
  • COE, David, H.
    Friendswood, TX 77546 (US)
  • HUANG, Pin, Y.
    Houston, TX 77025 (US)

(74) Representative: Troch, Geneviève et al
ExxonMobil Chemical Europe Inc. I.P. Law Shared Services P.O. Box 105 Hermeslaan 2
1831 Machelen
1831 Machelen (BE)

   


(54) CONFORMANCE CONTROL THROUGH STIMULUS-RESPONSIVE MATERIALS