(19)
(11) EP 1 264 075 A1

(12)

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

(21) Application number: 01909197.4

(22) Date of filing: 14.02.2001
(51) International Patent Classification (IPC)7E21B 33/124, E21B 33/129, E21B 43/119, E21B 43/267
(86) International application number:
PCT/US0104/635
(87) International publication number:
WO 0106/1146 (23.08.2001 Gazette 2001/34)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 15.02.2000 US 182687 P
30.10.2000 US 244258 P

(71) Applicant: ExxonMobil Upstream Research Company
Houston, TX 77252-2189 (US)

(72) Inventors:
  • TOLMAN, Randy C.
    Marbleton, WY 83113 (US)
  • CARLSON, Lawrence, O.
    Cypress, TX 77429 (US)
  • KINISON, David, A.
    Kingwood, TX 77339 (US)
  • NYGAARD, Kris, J.
    Houston, TX 77025 (US)
  • GOSS, Glenn, S.
    Kingwood, TX 77345 (US)
  • SOREM, William, A.
    Katy, TX 77450 (US)
  • SHAFER, Lee L.
    Big Piney, WY 83113 (US)

(74) Representative: Troch, Geneviève 
ExxonMobil Chemical Europe Inc.,P.O. Box 105
1830 Machelen
1830 Machelen (BE)

   


(54) METHOD AND APPARATUS FOR STIMULATION OF MULTIPLE FORMATION INTERVALS