(19)
(11) EP 2 142 759 A2

(12)

(88) Date of publication A3:
09.04.2009

(43) Date of publication:
13.01.2010 Bulletin 2010/02

(21) Application number: 08826010.4

(22) Date of filing: 25.04.2008
(51) International Patent Classification (IPC): 
E21B 43/267(2006.01)
(86) International application number:
PCT/US2008/061520
(87) International publication number:
WO 2009/005880 (08.01.2009 Gazette 2009/02)
(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: 26.04.2007 US 740589

(71) Applicant: Sun Drilling Products Corp.
Belle Chasse, LA 70037 (US)

(72) Inventor:
  • BICERANO, Jozef
    Midland, MI 48642 (US)

(74) Representative: Wibbelmann, Jobst 
Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2
81541 München
81541 München (DE)

   


(54) A METHOD FOR THE FRACTURE STIMULATION OF A SUBTERRANEAN FORMATION HAVING A WELLBORE BY USING THERMOSET POLYMER NANOCOMPOSITE PARTICLES AS PROPPANTS, WHERE SAID PARTICLES ARE PREPARED BY USING FORMULA TIONS CONTAINING REACTIVE INGREDIEN TS OBTAINED OR DERIVED FROM RENEWABLE FEEDSTOCKS