(19)
(11) EP 1 346 130 A1

(12)

(43) Date of publication:
24.09.2003 Bulletin 2003/39

(21) Application number: 00989624.2

(22) Date of filing: 30.12.2000
(51) International Patent Classification (IPC)7E21B 43/25, C09K 7/02, E21B 33/138
(86) International application number:
PCT/US0035/686
(87) International publication number:
WO 0205/3873 (11.07.2002 Gazette 2002/28)
(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

(71) Applicants:
  • Halliburton Energy Services, Inc.
    Houston, TX 77020 (US)
  • COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
    Campbell,ACT 2612 (AU)

(72) Inventors:
  • MODY, Fersheed, K.
    Houston, TX 77035 (US)
  • POBER, Kenneth, W.
    Houston, TX 77090 (US)
  • TAN, Chee, Phuat
    Mulgrave, VIC 3170 (AU)
  • DRUMMOND, Calum, J.
    Ivanhoe, VIC 3169 (AU)
  • GEORGAKLIS, George
    Mount Waverley, VIC 3149 (AU)
  • WELLS, Darrell
    Rowville, VIC 3178 (AU)

(74) Representative: Wain, Christopher Paul et al
A.A. Thornton & Co.235 High Holborn
London WC1V 7LE
London WC1V 7LE (GB)

   


(54) NOVEL COMPOUNDS AND METHOD FOR GENERATING A HIGHLY EFFICIENT MEMBRANE IN WATER-BASED DRILLING FLUIDS